Embedded Parametric Monitoring of Optoelectronic Modules

• US 20080089691A1
• Filed: 11/26/2007
• Published: 04/17/2008
• Est. Priority Date: 08/04/2006
• Status: Active Grant

• Current Assignee: Sumitomo Electric Device Innovations, U.S.A., Inc. (Sumitomo Corporation)
• Original Assignee: Emcore Corporation
• Inventors: Hudgins, Clay
• Granted Patent: US 7,534,054 B2
• Time in Patent Office: Days
• US Class Current: 398/117
• CPC Class Codes: G02B 6/4246 Bidirectionally operating package structures
• 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 10/075 using an in-service signal H04B10/071 takes precedence

Abstract

An optoelectronic module for converting and coupling an information-containing electrical signal with an optical fiber including a housing having an electrical input for coupling with an external electrical cable or information system device and for transmitting and receiving information-containing electrical signals over such input, and a fiber optic connector adapted for coupling with an external optical fiber for transmitting and receiving an optical signal; an electro-optic subassembly coupled to the information containing electrical signal and converting it to and/or from a modulated optical signal corresponding to the electrical signal; and parametric storage means disposed in said housing for storing environmental and/or operational data associated with the module.

Claims

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21. In an optical transmitter for converting and coupling an information-containing electrical signal with an optical fiber having:

a housing including an electrical input for coupling with an external electrical cable or information system device and for transmitting information-containing electrical signals over said input, and a fiber optical connector adapted for coupling with an external optic fiber for transmitting an optical signal;

an electro-optic subassembly disposed in said housing coupled to the information containing electrical signal and converting it to a modulated optical signal corresponding to the electrical signal at a predetermined wavelength;

the method comprising acquiring, at a sequence of time intervals, operational data associated with the transmitter, and storing said operational data acquired during said sequence of time intervals in a non-volatile memory disposed in said housing; and

accessing said non-volatile memory to determine the stored operational data.

22. A method as defines in claims 21, further comprising decoupling said optical transmitter from said external electrical cable or information system device prior to accessing said non-volatile memory.

23. A method as defined in claim 21, further comprising compressing said operation data prior to it being stored in the non-volatile memory.

24. A method as defined in claim 21, further comprising storing the elapsed time and corresponding operational data as ordered pairs.