Method and apparatus for fiber optic modules

• US 20010030789A1
• Filed: 03/22/2001
• Published: 10/18/2001
• Est. Priority Date: 05/27/1999
• Status: Abandoned Application

• Current Assignee: Viavi Solutions, Inc. (Lumentum Holdings Inc.)
• Original Assignee: Viavi Solutions, Inc. (Lumentum Holdings Inc.)
• Inventors: Milster, Tom D., Wei, Cheng Ping, Jiang, Wenbin, Dair, Edwin D.
• Application Number:
  US09/816,319
• Publication Number:
  US 20010030789A1
• Time in Patent Office: Days
• US Class Current: 398/164
• CPC Class Codes: G02B 6/4201 Packages, e.g. shape, construction, internal or external details
• CPC Class Codes: G02B 6/4214 the intermediate optical element having redirecting reflective means, e.g. mirrors, prisms for deflecting the radiation from horizontal to down- or upward direction toward a device G02B6/4246 takes precedence
• CPC Class Codes: G02B 6/422 Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements G02B6/4233, G02B6/4234 take precedence
• CPC Class Codes: G02B 6/4246 Bidirectionally operating package structures
• CPC Class Codes: G02B 6/4257 having a supporting carrier or a mounting substrate or a mounting plate G02B6/3648 takes precedence
• CPC Class Codes: G02B 6/4263 of the transisitor outline [TO] can type
• CPC Class Codes: G02B 6/4277 Protection against electromagnetic interference [EMI], e.g. shielding means shielding of electric apparatus H05K9/00, of instruments G12B17/00
• CPC Class Codes: G02B 6/428 containing printed circuit boards [PCB]
• CPC Class Codes: G02B 6/4292 the light guide being disconnectable from the opto-electronic element, e.g. mutually self aligning arrangements
• CPC Class Codes: H04B 10/801 using optical interconnects, e.g. light coupled isolators, circuit board interconnections
• CPC Class Codes: H05K 1/0274 Optical details, e.g. printed circuits comprising integral optical means H05K1/0269 takes precedence; coupling light guides with opto-electronic components G02B6/42
• CPC Class Codes: H05K 1/14 Structural association of two or more printed circuits providing electric connection to or between printed circuits H05K1/11, H01R12/00

Abstract

Fiber optic modules and methods of assembly of fiber optic modules. Fiber optic modules include one or more printed circuit boards arranged at a an angle with a base. The one or more printed circuit boards are parallel to optical axis of one or more optoelectronic devices such as a receiver or transmitter. The one or more printed circuit boards may include a ground plane to minimize electrical cross talk. A shielded housing or cover provides shielding for electromagnetic interference. The base or shielded housing or cover may include a septum to separate the fiber optic modules into a first side and a second side and provide additional shielding to minimize crosstalk.

Claims

1. A fiber optic module for coupling photons between optoelectronic devices and optical fibers, the fiber optic module comprising:

a base;

a first printed circuit board (PCB) arranged at a first angle with the base and parallel to a first optical axis of a first optoelectronic device, the first optoelectronic device having terminals coupled to the first printed circuit board; and

a second printed circuit board (PCB) arranged at a second angle with the base and parallel to a second optical axis of a second optoelectronic device, the second optoelectronic device having terminals coupled to the second printed circuit board.

2. The fiber optic module of

claim 1

further comprising:

a housing coupled to the base.

3. The fiber optic module of

claim 2

wherein,

the housing is a shielded housing to encase the first and second printed circuit boards to reduce electromagnetic interference (EMI).

4. The fiber optic module of

claim 3

wherein,

the housing has an inner septum to separate the fiber optic module into a first side and a second side and the inner septum is a conductive shield to reduce crosstalk electromagnetic radiation.

5. The fiber optic module of

claim 1

wherein,

the base has a first and second opening;

the first printed circuit board has a plurality of pins extending through the first opening in the base to couple to the system; and

the second printed circuit board has a plurality of pins extending through the second opening in the base to couple to the system.

6. The fiber optic module of

claim 5

wherein,

the first and second opening in the base are a plurality of pin holes in the base.

7. The fiber optic module of

claim 5

wherein,

the first and second opening in the base are a first and second cutout in the base.

8. The fiber optic module of

claim 1

wherein, the first and second printed circuit boards further comprises:

electrical components coupled between the first and second optoelectronic device and the plurality of pins of the first printed circuit board and between the and second optoelectronic device and the plurality of pins of the second printed circuit board, the electrical components for controlling the first and second optoelectronic devices.

9. The fiber optic module of

claim 1

wherein, the first printed circuit board further comprises:

a ground plane to reduce electro-magnetic fields generated by the electrical components.

10. The fiber optic module of

claim 1

wherein, the second printed circuit board further comprises:

a ground plane to reduce electro-magnetic fields generated by the electrical components.

11. The fiber optic module of

claim 1

further comprising:

a first optical block coupled to the first optoelectronic device, the first optical block having a first opening to receive the first optoelectronic device, and

a first lens to couple photons between the first optoelectronic device and an optical fiber.

12. The fiber optic module of

claim 11

further comprising:

a nose coupled to the base, the nose to receive an optical fiber connector and to hold an optical fiber substantially fixed and aligned with an optical opening of the optical block.

13. The fiber optic module of

claim 12

further comprising:

a nose shield surrounding the nose to reduce electromagnetic interference.

14. The fiber optic module of

claim 1

further comprising:

a second optical block coupled to the second optoelectronic device, the second optical block having

a second opening to receive the second optoelectronic device, and

a second lens to couple photons between the second optoelectronic device and an optical fiber.

15. The fiber optic module of

claim 11

further comprising:

a second optical block coupled to the second optoelectronic device, the second optical block having

a second opening to receive the second optoelectronic device, and

a second lens to couple photons between the second optoelectronic device and an optical fiber.

16. The fiber optic module of

claim 1

further comprising:

an optical block coupled to the first and second optoelectronic devices, the optical block having

first and second openings to receive the first and second optoelectronic devices,

a first lens to couple photons between the first optoelectronic device and a first optical fiber, and

a second lens to couple photons between the second optoelectronic device and a second optical fiber.

17. The fiber optic module of

claim 16

, wherein,

the first lens of the optical block to launch photons into the first optical fiber from the first optoelectronic device.

18. The fiber optic module of

claim 16

, wherein,

the second lens of the optical block is a focusing lens to receive photons from the second optical fiber and to couple them to the second optoelectronic device.

19. The fiber optic module of

claim 16

further comprising:

a nose coupled to the base, the nose to receive an optical fiber connector and to hold an optical fiber substantially fixed and aligned with an optical opening of the optical block.

20. The fiber optic module of

claim 19

further comprising:

a nose shield surrounding the nose to reduce electromagnetic interference.

21. The fiber optic module of

claim 13

, wherein,

the first optoelectronic device is a photodetector.

22. The fiber optic module of

claim 13

, wherein,

the second optoelectronic device is an emitter.

23. The fiber optic module of

claim 22

, wherein,

the emitter is a vertical cavity surface emitting laser (VCSEL).

24. A fiber optic transceiver for coupling photons between optoelectronic devices and optical fibers, the fiber optic transceiver comprising:

a base;

a first internal printed circuit board (PCB) arranged at a first angle with the base and parallel to a first optical axis of a first optoelectronic device, the first internal printed circuit board having a first connecting means to couple to an external printed circuit board, the first optoelectronic device having terminals coupled to the first internal printed circuit board;

a second internal printed circuit board (PCB) arranged at a second angle with the base and parallel to a second optical axis of a second optoelectronic device, the second internal printed circuit board having a second connecting means to couple to an external printed circuit board, the second optoelectronic device having terminals coupled to the second printed circuit board;

a housing coupled to the base, the housing to cover the first internal printed circuit board and the second internal printed circuit board.

25. The fiber optic transceiver of

claim 24

wherein,

the first internal printed circuit board further comprises:

first electrical components coupled between the first optoelectronic device and the first connecting means on a first side of the first internal printed circuit board, the first electrical components for controlling the first optoelectronic device, and

a first ground plane coupled to a second side of the first internal printed circuit board to reduce electro-magnetic fields; and

,

the second internal printed circuit board further comprises;

second electrical components coupled between the second optoelectronic device and the second connecting means on a first side of the second internal printed circuit board, the second electrical components for controlling the second optoelectronic device.

26. The fiber optic transceiver of

claim 25

wherein,

the second internal printed circuit board further comprises:

a second ground plane coupled to a second side of the second internal printed circuit board to reduce electro-magnetic fields.

27. The fiber optic transceiver of

claim 24

, wherein,

the first connecting means and the second connecting means are pins to couple to pin receptacles of the external printed circuit board.

28. The fiber optic transceiver of

claim 24

, wherein,

the first connecting means and the second connecting means are connectors to couple into connectors of the external printed circuit board.

29. The fiber optic transceiver of

claim 24

further comprising:

an optical block coupled to the first optoelectronic device and the second optoelectronic device, the optical block having a first lens to couple photons between the first optoelectronic device and a first optical fiber and a second lens to couple photons between the second optoelectronic device and a second optical fiber.

30. The fiber optic transceiver of

claim 24

further comprising:

a first optical block coupled to the first optoelectronic device, the first optical block having a first lens to couple photons between the first optoelectronic device and a first optical fiber, and

a second optical block coupled to the second optoelectronic device, the second optical block having a second lens to couple photons between the second optoelectronic device and a second optical fiber.

31. The fiber optic transceiver of

claim 24

further comprising:

a nose coupled to the base, the nose for receiving an optical fiber connector and holding a pair of optical fibers substantially fixed and aligned with the first optoelectronic device and the second optoelectronic device.

32. The fiber optic transceiver of

claim 31

further comprising:

a nose shield surrounding the nose to reduce electromagnetic interference.

33. The fiber optic transceiver of

claim 24

further comprising:

an internal shield inserted between the first internal printed circuit board and the second internal printed circuit board, the internal shield to reduce electrical crosstalk.

34. A method of assembling a fiber optic transceiver, the method comprising:

a) providing an optical block having a lens to focus photons and an opening,

b) coupling an optoelectronic device into the opening of the optical block,

c) coupling a printed circuit board on an angle to terminals of the optoelectronic device, the printed circuit board having at least one electronics component between one terminal of the optoelectronic device and one signal trace on the printed circuit board; and

d) assembling a housing and a base together around the optical block, the optoelectronic device and the printed circuit board and wherein the printed circuit board is angled with respect to a plane of the base.

35. The method of

claim 34

of assembling a fiber optic transceiver, the method further comprising:

e) prior to assembling the housing and the base, installing a nose having a fiber optic receptacle to receive a fiber optic cable.

36. The method of

claim 35

of assembling a fiber optic transceiver, the method further comprising:

f) installing a nose shield over the nose.

37. The method of

claim 36

of assembling a fiber optic transceiver, wherein,

the nose is non-conductive and the nose shield is conductive.

38. The method of

claim 36

of assembling a fiber optic transceiver, wherein,

the housing is conductive.

39. A fiber optic module comprising:

a first optical block having a first opening to receive a first optoelectronic device;

the first optoelectronic device coupled into the first opening;

a second optical block having a second opening to receive a second optoelectronic device;

the second optoelectronic device coupled into the second opening;

a first printed circuit board coupled to terminals of the first optoelectronic device on an angle with a plane of the first optical block, the first printed circuit board parallel to a first optical axis of the first optoelectronic device; and

a second printed circuit board coupled to terminals of the second optoelectronic device on an angle with a plane of the second optical block, the second printed circuit board parallel to a second optical axis of the second optoelectronic device.

40. The fiber optic module of

claim 39

, wherein the fiber optic module is a fiber optic transceiver and

the first optoelectronic device is a transmitter to couple photons into a first optical fiber, and

the second optoelectronic device is a receiver to receive photons from a second optical fiber.

41. A fiber optic module comprising:

an optical block having a first opening to receive a first optoelectronic device and a second opening to receive a second optoelectronic device;

the first optoelectronic device coupled into the first opening;

the second optoelectronic device coupled into the second opening;

a base having a first guide rail and a second guide rail;

a first printed circuit board coupled to terminals of the first optoelectronic device in parallel to a first optical axis of the first optoelectronic device, the first printed circuit board coupled to the first guide rail of the base; and

a second printed circuit board coupled to terminals of the second optoelectronic device in parallel to a second optical axis of the second optoelectronic device, the second printed circuit board coupled to the second guide rail of the base.

42. The fiber optic module of

claim 41

further comprising:

a housing coupled to the base.

43. The fiber optic module of

claim 42

wherein,

the housing is a shielded housing to encase the first and second printed circuit board to reduce electromagnetic interference (EMI).

44. The fiber optic module of

claim 41

wherein,

the base has a pair of cutouts to allow pins of the first printed circuit board and pins of the second printed circuit board to extend through.

45. The fiber optic module of

claim 41

wherein,

the base has a pair of openings to allow pins of the first printed circuit board and pins of the second printed circuit board to extend through.

46. The fiber optic module of

claim 41

, wherein the fiber optic module is a fiber optic transceiver and

the first optoelectronic device is a transmitter to couple photons into a first optical fiber, and

the second optoelectronic device is a receiver to receive photons from a second optical fiber.

47. A fiber optic module comprising:

an optical block having a first opening to receive a first optoelectronic device and a second opening to receive a second optoelectronic device;

the first optoelectronic device coupled into the first opening;

the second optoelectronic device coupled into the second opening;

a base having a first pair of brackets on one side and a second pair of brackets on an opposite side;

a first printed circuit board coupled to terminals of the first optoelectronic device in parallel to a first optical axis of the first optoelectronic device, the first printed circuit board coupled to the first pair of brackets of the base; and

a second printed circuit board coupled to terminals of the second optoelectronic device in parallel to a second optical axis of the second optoelectronic device, the second printed circuit board coupled to the second pair of brackets of the base.

48. The fiber optic module of

claim 47

further comprising:

a housing coupled to the base.

49. The fiber optic module of

claim 48

wherein,

the housing is a shielded housing to encase the first and second printed circuit board to reduce electromagnetic interference (EMI).

50. The fiber optic module of

claim 47

wherein,

the base has a pair of cutouts to allow pins of the first printed circuit board and pins of the second printed circuit board to extend through.

51. The fiber optic module of

claim 47

wherein,

the base has a pair of openings to allow pins of the first printed circuit board and pins of the second printed circuit board to extend through.

52. The fiber optic module of

claim 47

, wherein the fiber optic module is a fiber optic transceiver and

the first optoelectronic device is a transmitter to couple photons into a first optical fiber, and

the second optoelectronic device is a receiver to receive photons from a second optical fiber.

53. A fiber optic module comprising:

an optical block having a first opening to receive a first optoelectronic device and a second opening to receive a second optoelectronic device, the optical block further having a first slot to receive an end of a first printed circuit board and a second slot to receive an end of a second printed circuit board;

the first optoelectronic device coupled into the first opening;

the second optoelectronic device coupled into the second opening;

a base;

a first printed circuit board coupled to terminals of the first optoelectronic device in parallel to a first optical axis of the first optoelectronic device, the first printed circuit board coupled to the first slot of the optical block; and

a second printed circuit board coupled to terminals of the second optoelectronic device in parallel to a second optical axis of the second optoelectronic device, the second printed circuit board coupled to the second slot of the optical block.

54. The fiber optic module of

claim 53

further comprising:

a housing coupled to the base.

56. The fiber optic module of

claim 53

wherein,

the base has a pair of cutouts to allow pins of the first printed circuit board and pins of the second printed circuit board to extend through.

57. The fiber optic module of

claim 53

wherein,

the base has a pair of openings to allow pins of the first printed circuit board and pins of the second printed circuit board to extend through.

58. The fiber optic module of

claim 53

, wherein the fiber optic module is a fiber optic transceiver and

the first optoelectronic device is a transmitter to couple photons into a first optical fiber, and

the second optoelectronic device is a receiver to receive photons from a second optical fiber.

55. The fiber optic module of

claim 55

wherein,

the housing is a shielded housing to encase the first and second printed circuit board to reduce electromagnetic interference (EMI).

59. A fiber optic module comprising:

an optical block having a first opening to receive a first optoelectronic device and a second opening to receive a second optoelectronic device;

the first optoelectronic device coupled into the first opening;

the second optoelectronic device coupled into the second opening;

a base;

a first printed circuit board on a first side of the fiber optical module coupled to terminals of the first optoelectronic device in parallel to a first optical axis of the first optoelectronic device;

a second printed circuit board on the first side of the fiber optic module coupled to the first printed circuit board and having a first connecting means to couple to an external printed circuit board;

a third printed circuit board on a second side of the fiber optic module coupled to terminals of the second optoelectronic device in parallel to a second optical axis of the second optoelectronic device; and

a fourth printed circuit board on the second side of the fiber optic module coupled to the third printed circuit board and having a second connecting means to couple to the external printed circuit board.

60. The fiber optic module of

claim 59

further comprising:

a housing coupled to the base.

61. The fiber optic module of

claim 60

wherein,

the housing is a shielded housing to encase the first and second, third and fourth printed circuit boards to reduce electromagnetic interference (EMI).

62. The fiber optic module of

claim 59

wherein,

the base has a pair of cutouts to allow pins of the first printed circuit board and pins of the second printed circuit board to extend through.

63. The fiber optic module of

claim 59

wherein,

the base has a pair of openings to allow pins of the first printed circuit board and pins of the second printed circuit board to extend through.

64. The fiber optic module of

claim 59

, wherein the fiber optic module is a fiber optic transceiver and

the first optoelectronic device is a transmitter to couple photons into a first optical fiber, and

the second optoelectronic device is a receiver to receive photons from a second optical fiber.

65. The fiber optic module of

claim 59

, wherein,

the first connecting means and the second connecting means are pins to couple to pin receptacles of the external printed circuit board.

66. The fiber optic module of

claim 59

, wherein,

the first connecting means and the second connecting means are connectors to couple into connectors of the external printed circuit board.

67. The fiber optic module of

claim 59

, wherein,

the first connecting means and the second connecting means are pin headers including a plurality of pins to couple the external printed circuit board.

68. The fiber optic module of

claim 59

further comprising:

a housing having an opening at an end coupled to the base.

69. The fiber optic module of

claim 68

, wherein,

the first connecting means and the second connecting means are connectors to couple into connectors of the external printed circuit board through the opening at the end of the housing.

70. The fiber optic module of

claim 59

wherein,

the base includes an inner septum to separate the fiber optic module into the first side and the second side.

71. The fiber optic module of

claim 59

wherein,

the first and second and the third and fourth printed circuit board in a dual stack horizontal configuration.

72. A fiber optic module comprising:

an optical block having a first opening to receive a first optoelectronic device and a second opening to receive a second optoelectronic device;

the first optoelectronic device coupled into the first opening;

the second optoelectronic device coupled into the second opening;

a base;

a first angled printed circuit board (PCB) coupled to terminals of the first optoelectronic device in parallel to a first optical axis of the first optoelectronic device, the first angled printed circuit board arranged at a first angle to slant inward from the base; and

a second angled printed circuit board (PCB) coupled to terminals of the second optoelectronic device in parallel to a second optical axis of the second optoelectronic device, the second angled printed circuit board arranged at a second angle to slant inward from the base.

73. The fiber optic module of

claim 72

further comprising:

a housing coupled to the base.

74. The fiber optic module of

claim 73

wherein,

the housing is a shielded housing to encase the first and second angled printed circuit boards to reduce electromagnetic interference (EMI).

75. The fiber optic module of

claim 73

wherein,

the first angled printed circuit board and the second angled printed circuit board each have a plurality of pins to couple to a host system printed circuit board.

76. The fiber optic module of

claim 75

wherein,

the base has a pair of cutouts to allow the pins of the first angled printed circuit board and the pins of the second angled printed circuit board to extend through.

77. The fiber optic module of

claim 75

wherein,

the base has a pair of openings to allow the pins of the first angled printed circuit board and the pins of the second angled printed circuit board to extend through.

78. The fiber optic module of

claim 72

, wherein the fiber optic module is a fiber optic transceiver and

the first optoelectronic device is a transmitter to couple photons into a first optical fiber, and

the second optoelectronic device is a receiver to receive photons from a second optical fiber.

79. The fiber optic module of

claim 72

wherein,

the first angled printed circuit board and the second angled printed circuit board each have a connector to couple to a connector of a host system printed circuit board.

80. The fiber optic module of

claim 72

further comprising:

a housing having an opening at an end coupled to the base.

81. The fiber optic module of

claim 80

, wherein,

the first angled printed circuit board and the second angled printed circuit board each have a connector to couple to a connector of a host system printed circuit board through the opening at the end of the housing.

82. The fiber optic module of

claim 72

wherein,

the base includes an inner septum to separate the fiber optic module into a first side and a second side.

83. The fiber optic module of

claim 72

wherein,

the first and second angled printed circuit boards are in an angled configuration.

84. A fiber optic module comprising:

an optical block having a first opening to receive a first optoelectronic device;

the first optoelectronic device coupled into the first opening;

a motherboard printed circuit board;

a first daughterboard printed circuit board (PCB) coupled to terminals of the first optoelectronic device in parallel to a first optical axis of the first optoelectronic device, the first daughterboard printed circuit board coupled at a first angle to the motherboard printed circuit board.

85. The fiber optic module of

claim 84

further comprising:

a housing coupled to the base.

86. The fiber optic module of

claim 85

wherein,

the housing is a shielded housing to encase the first daughterboard printed circuit board to reduce electromagnetic interference (EMI).

87. The fiber optic module of

claim 84

wherein,

the first angle is substantially ninety degrees so that the first daughterboard printed circuit board is coupled perpendicular to the motherboard printed circuit board.

88. The fiber optic module of

claim 84

wherein,

the motherboard printed circuit board has a plurality of pins to couple to an external printed circuit board.

89. The fiber optic module of

claim 84

wherein,

the motherboard printed circuit board has a connector to couple to a connector of an external printed circuit board.

90. The fiber optic module of

claim 84

wherein,

the first daughterboard printed circuit board has traces coupled to traces of the motherboard printed circuit board.

91. The fiber optic module of

claim 90

wherein,

the traces of first daughterboard printed circuit board are coupled traces of the motherboard printed circuit board by solder joints.

92. The fiber optic module of

claim 84

wherein,

the optical block further having a second opening to receive a second optoelectronic device, and

the fiber optic module further comprises,

a second optoelectronic device coupled into the second opening, and

a second daughterboard printed circuit board (PCB) coupled to terminals of the second optoelectronic device in parallel to a second optical axis of the second optoelectronic device, the second daughterboard printed circuit board coupled at a second angle to the motherboard printed circuit board.

93. The fiber optic module of

claim 92

, wherein the fiber optic module is a fiber optic transceiver and

the first optoelectronic device is a transmitter to couple photons into a first optical fiber, and

the second optoelectronic device is a receiver to receive photons from a second optical fiber.

94. The fiber optic module of

claim 92

further comprising:

a housing coupled to the base.

95. The fiber optic module of

claim 94

wherein,

the housing is a shielded housing to encase the first daughterboard printed circuit board to reduce electromagnetic interference (EMI).

96. The fiber optic module of

claim 92

wherein,

the first angle is substantially ninety degrees so that the first daughterboard printed circuit board is coupled perpendicular to the motherboard printed circuit board.

97. The fiber optic module of

claim 96

wherein,

the second angle is substantially ninety degrees so that the second daughterboard printed circuit board is coupled perpendicular to the motherboard printed circuit board.

98. The fiber optic module of

claim 92

wherein,

the motherboard printed circuit board has a plurality of pins to couple to an external printed circuit board.

99. The fiber optic module of

claim 92

wherein,

the motherboard printed circuit board has a connector to couple to a connector of an external printed circuit board.

100. The fiber optic module of

claim 84

wherein,

the first daughterboard printed circuit board has traces coupled to traces of the motherboard printed circuit board, and

the second daughterboard printed circuit board has traces coupled to traces of the motherboard printed circuit board.

101. The fiber optic module of

claim 90

wherein,

the traces of first daughterboard printed circuit board are coupled traces of the motherboard printed circuit board by solder joints, and

the traces of second daughterboard printed circuit board are coupled traces of the motherboard printed circuit board by solder joints.

102. The fiber optic module of

claim 92

further comprising:

a housing having an opening at an end coupled to the base.

103. The fiber optic module of

claim 102

, wherein,

the first daughterboard printed circuit board and the second daughterboard printed circuit board each have a connector to couple to a connector of a host system printed circuit board through the opening at the end of the housing.

104. The fiber optic module of

claim 92

wherein,

the motherboard printed circuit board includes an inner septum to separate the fiber optic module into a first side and a second side.

105. The fiber optic module of

claim 104

wherein,

the inner septum is a conductive shield to reduce crosstalk electromagnetic radiation.

106. The fiber optic module of

claim 92

further comprising:

a housing having an inner septum to separate the fiber optic module into a first side and a second side, the housing coupled to the base.

107. The fiber optic module of

claim 106

wherein,

the housing is a conductive shielded housing to encase the first daughterboard printed circuit board to reduce electromagnetic interference (EMI) and the septum is a conductive shield to reduce crosstalk electromagnetic radiation.

108. The fiber optic module of

claim 92

wherein,

the first and second daughterboard printed circuit boards are vertical printed circuit boards and the motherboard printed circuit board is a horizontal motherboard printed circuit board.

109. A fiber optic module comprising:

an optical block having a first opening to receive a first optoelectronic device and a second opening to receive a second optoelectronic device;

the first optoelectronic device coupled into the first opening;

the second optoelectronic device coupled into the second opening;

a base;

a first angled printed circuit board (PCB) coupled to terminals of the first optoelectronic device in parallel to a first optical axis of the first optoelectronic device, the first angled printed circuit board arranged at a first angle with the base;

a second angled printed circuit board (PCB) coupled to terminals of the second optoelectronic device in parallel to a second optical axis of the second optoelectronic device, the second angled printed circuit board arranged at a second angle with the base; and

wherein the first angled printed circuit board and the second angled printed circuit board are substantially parallel to each other.

110. The fiber optic module of

claim 109

further comprising:

a housing coupled to the base.

111. The fiber optic module of

claim 110

wherein,

the housing is a shielded housing to encase the first and second angled printed circuit boards to reduce electromagnetic interference (EMI).

112. The fiber optic module of

claim 109

wherein,

the first angled printed circuit board and the second angled printed circuit board each have a plurality of pins to couple to a host system printed circuit board.

113. The fiber optic module of

claim 112

wherein,

the base has a pair of cutouts to allow the pins of the first angled printed circuit board and the pins of the second angled printed circuit board to extend through.

114. The fiber optic module of

claim 112

wherein,

the base has a pair of openings to allow the pins of the first angled printed circuit board and the pins of the second angled printed circuit board to extend through.

115. The fiber optic module of

claim 109

, wherein the fiber optic module is a fiber optic transceiver and

the first optoelectronic device is a transmitter to couple photons into a first optical fiber, and

the second optoelectronic device is a receiver to receive photons from a second optical fiber.

116. The fiber optic module of

claim 109

wherein,

the first angled printed circuit board and the second angled printed circuit board each have a connector to couple to a connector of a host system printed circuit board.

117. The fiber optic module of

claim 109

further comprising:

a housing having an opening at an end coupled to the base.

118. The fiber optic module of

claim 117

, wherein,

the first angled printed circuit board and the second angled printed circuit board each have a connector to couple to a connector of a host system printed circuit board through the opening at the end of the housing.

119. The fiber optic module of

claim 109

wherein,

the base includes an inner septum to separate the fiber optic module into a first side and a second side.

120. The fiber optic module of

claim 109

further comprising:

a housing having an inner septum to separate the fiber optic module into a first side and a second side, the housing coupled to the base.

121. The fiber optic module of

claim 120

wherein,

the housing is a conductive shielded housing to encase the first daughterboard printed circuit board to reduce electromagnetic interference (EMI) and the septum is a conductive shield to reduce crosstalk electromagnetic radiation.

122. The fiber optic module of

claim 109

wherein,

the first and second angled printed circuit boards are in a parallel angled configuration.

123. A fiber optic module comprising:

an optical block having a first opening to receive a first optoelectronic device and a second opening to receive a second optoelectronic device;

the first optoelectronic device coupled into the first opening;

the second optoelectronic device coupled into the second opening;

a base;

a first angled printed circuit board (PCB) coupled to terminals of the first optoelectronic device in parallel to a first optical axis of the first optoelectronic device, the first angled printed circuit board arranged at a first angle to slant outward from the base; and

a second angled printed circuit board (PCB) coupled to terminals of the second optoelectronic device in parallel to a second optical axis of the second optoelectronic device, the second angled printed circuit board arranged at a second angle to slant outward from the base.

124. The fiber optic module of

claim 123

further comprising:

a housing coupled to the base.

125. The fiber optic module of

claim 124

wherein,

the housing is a shielded housing to encase the first and second angled printed circuit boards to reduce electromagnetic interference (EMI).

126. The fiber optic module of

claim 123

wherein,

the first angled printed circuit board and the second angled printed circuit board each have a pin header with a plurality of pins to couple to a host system printed circuit board.

127. The fiber optic module of

claim 123

wherein,

the first angled printed circuit board and the second angled printed circuit board each have a plurality of pins to couple to a host system printed circuit board.

128. The fiber optic module of

claim 127

wherein,

the base has a pair of cutouts to allow the pins of the first angled printed circuit board and the pins of the second angled printed circuit board to extend through.

129. The fiber optic module of

claim 127

wherein,

the base has a pair of openings to allow the pins of the first angled printed circuit board and the pins of the second angled printed circuit board to extend through.

130. The fiber optic module of

claim 123

, wherein the fiber optic module is a fiber optic transceiver and

the first optoelectronic device is a transmitter to couple photons into a first optical fiber, and

the second optoelectronic device is a receiver to receive photons from a second optical fiber.

131. The fiber optic module of

claim 123

wherein,

the first angled printed circuit board and the second angled printed circuit board each have a connector to couple to a connector of a host system printed circuit board.

132. The fiber optic module of

claim 123

further comprising:

a housing having an opening at an end coupled to the base.

133. The fiber optic module of

claim 132

, wherein,

the first angled printed circuit board and the second angled printed circuit board each have a connector to couple to a connector of a host system printed circuit board through the opening at the end of the housing.

134. The fiber optic module of

claim 123

wherein,

the base includes an inner septum to separate the fiber optic module into a first side and a second side.

135. The fiber optic module of

claim 123

further comprising:

a housing having an inner septum to separate the fiber optic module into a first side and a second side, the housing coupled to the base.

136. The fiber optic module of

claim 135

wherein,

the housing is a conductive shielded housing to encase the first daughterboard printed circuit board to reduce electromagnetic interference (EMI) and the septum is a conductive shield to reduce crosstalk electromagnetic radiation.

137. The fiber optic module of

claim 123

wherein,

the first and second angled printed circuit boards are in an angled configuration.

138. The fiber optic module of

claim 123

wherein,

the first and second angled printed circuit boards are in an V configuration.