Optical device
First Claim
1. An optical device comprising:
- an input optical waveguide for input of an optical signal;
an output optical waveguide for outputting an optical signal from the input optical waveguide;
an auxiliary optical waveguide for guiding light that does not enter the output optical waveguide, out of the optical signal from the input optical waveguide;
a movable mirror for reflecting the optical signal from the input optical waveguide toward the output optical waveguide or toward the auxiliary optical waveguide;
driving means for driving the movable mirror; and
light monitoring means for monitoring light passing at least one of the input optical waveguide, the output optical waveguide, and the auxiliary optical waveguide.
1 Assignment
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Accused Products
Abstract
An optical variable attenuator 1 has a planar waveguide 2 and an actuator structure 3. The planar waveguide 2 is provided with an input optical waveguide core 4A for input of an optical signal, an output optical waveguide core 4B for outputting an optical signal from the optical waveguide core 4A, and an a movable mirror optical waveguide core 4C for guiding light that does not enter the optical waveguide core 4B, out of the optical signal from the optical waveguide core 4A. The actuator structure 3 has a movable mirror 7 for reflecting the optical signal emerging from the input optical waveguide core 4A, toward the output optical waveguide core 4B. A light receiving device 10 for receiving light passing the optical waveguide core 4C is provided at one end face of the planar waveguide 2.
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Citations
15 Claims
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1. An optical device comprising:
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an input optical waveguide for input of an optical signal;
an output optical waveguide for outputting an optical signal from the input optical waveguide;
an auxiliary optical waveguide for guiding light that does not enter the output optical waveguide, out of the optical signal from the input optical waveguide;
a movable mirror for reflecting the optical signal from the input optical waveguide toward the output optical waveguide or toward the auxiliary optical waveguide;
driving means for driving the movable mirror; and
light monitoring means for monitoring light passing at least one of the input optical waveguide, the output optical waveguide, and the auxiliary optical waveguide. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An optical device comprising:
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an input optical waveguide for input of an optical signal;
a first output optical waveguide and a second output optical waveguide for outputting an optical signal from the input optical waveguide;
a movable mirror for reflecting the optical signal from the input optical waveguide toward the first output optical waveguide or toward the second output optical waveguide;
driving means for driving the movable mirror; and
light monitoring means for monitoring each of light passing the first output optical waveguide and light passing the second output optical waveguide. - View Dependent Claims (10, 11)
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12. An optical device comprising:
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a planar optical waveguide having an input optical waveguide core, an output optical waveguide core, and an auxiliary optical waveguide core;
a movable mirror for reflecting light from an output end of the input optical waveguide core;
a driver for driving the movable mirror; and
a light receiving device for monitoring light propagating in at least one of the input optical waveguide core, the output optical waveguide core, and the auxiliary optical waveguide core;
wherein the output end of the input optical waveguide core is optically coupled to an input end of one of the output optical waveguide core and the auxiliary optical waveguide core, and wherein the output end of the input optical waveguide core is optically coupled via the movable mirror to an input end of the other of the output optical waveguide core and the auxiliary optical waveguide core. - View Dependent Claims (13)
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14. An optical device comprising:
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a planar optical waveguide having an input optical waveguide core, a first output optical waveguide core, and a second output optical waveguide core;
a movable mirror for reflecting light from an output end of the input optical waveguide core;
a driver for driving the movable mirror; and
a light receiving device for monitoring light propagating in at least one of the input optical waveguide core, the first output optical waveguide core, and the second output optical waveguide core;
wherein the output end of the input optical waveguide core is optically coupled to an input end of one of the first output optical waveguide core and the second output optical waveguide core, and wherein the output end of the input optical waveguide core is optically coupled via the movable mirror to an input end of the other of the first output optical waveguide core and the second output optical waveguide core. - View Dependent Claims (15)
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Specification