Optical transceiver module with multipurpose internal serial bus
View Patent ↗The optical transceiver module includes an optical transmitter and an optical receiver. The optical transceiver module also includes an internal serial bus and a plurality of addressable components electrically coupled to the internal serial bus. Each of the addressable components included a serial interface for communicating with the internal serial bus, and a memory. Each addressable component also includes a unique address or chip select logic coupled to a controller via a chip select line. This allows data to be addressed to specific addressable components. The addressable components may include a laser driver, a laser bias controller, a power controller, a pre-amplifier, a post-amplifier, a laser wavelength controller, a main controller, a electrothermal cooler, an analog-to-digital converter, a digital-to analog converter, an APD bias controller, or any combination of the aforementioned components.
1. An optical transceiver module, comprising:
an optical transmitter;
an optical receiver;
an internal serial bus;
a plurality of addressable components electrically coupled to said internal serial bus, where each of said addressable components comprise:
a serial interface for communicating with said internal serial bus;
a memory; and
wherein one of said plurality of addressable components is a laser driver Integrated Circuit (IC) coupled to said optical transmitter and said internal serial bus.
2. The optical transceiver module of claim 1 , wherein each of said addressable components further comprise a unique address.
3. The optical transceiver module of claim 1 , wherein each of said addressable components further comprise chip select logic coupled to a controller via a chip select line.
4. The optical transceiver module of claim 1 , further comprising a host serial interface controller that couples said internal serial bus to a host serial bus.
5. The optical transceiver module of claim 1 , wherein one of said plurality of addressable components is a power controller Integrated Circuit (IC) for performing power supply functions of said optical transceiver.
6. The optical transceiver module of claim 1 , wherein said laser driver IC is configured to communicate digital signals with said internal serial bus, where said digital signals represent data selected from a group consisting of: modulation amplitude data, slew rate data, and equalization data.
7. The optical transceiver module of claim 1 , wherein one of said plurality of addressable components is a post-amplifier Integrated Circuit (IC) coupled to said optical receiver and said internal serial bus.
8. The optical transceiver module of claim 7 , wherein said post-amplifier IC is configured to communicate digital signals with said internal serial bus, where said digital signals represent data selected from a group consisting of: output amplitude setting data, slew rate data, LOS thresholds and status data, equalization data, received signal power, and loss of signal data.
9. The optical transceiver module of claim 1 , wherein one of said plurality of addressable components is a laser bias controller Integrated Circuit (IC) coupled to said optical transmitter and to said internal serial bus.
10. The optical transceiver module of claim 9 , wherein said laser bias controller IC provides a bias drive to said optical transmitter and receives a power feedback from said optical transmitter.
11. The optical transceiver module of claim 1 , wherein one of said addressable components is a digital to analog converter.
12. The optical transceiver module of claim 1 , wherein each of said addressable components further comprise other circuitry.
13. The optical transceiver module of claim 1 , wherein one of said plurality of addressable components is a laser wavelength controller IC coupled to said optical transmitter and to said internal serial bus.
14. The optical transceiver module of claim 1 , wherein one of said plurality of addressable components is a APD bias controller IC coupled to said optical receiver and to said internal serial bus.
15. The optical transceiver module of claim 1 , wherein said one or more of said addressable components is configured to correct deterministic jitter.
16. The optical transceiver module of claim 1 , wherein the laser driver IC is combined with said optical transmitter in a single Transmitter Optical Subassembly (TOSA) package having a single serial interface.
17. The optical transceiver module of claim 1 , wherein the laser driver IC is combined with a laser bias controller IC in a single package having a single serial interface.
18. The optical transceiver module of claim 1 , further comprising a pre-amplifier IC coupled directly to said internal serial bus.
19. The optical transceiver module of claim 18 , wherein said pre-amplifier IC is combined with said optical receiver in a single Receiving Optical Subassembly (ROSA) package having a single serial interface.
20. An optical transceiver module, comprising:
an optical transmitter;
an optical receiver;
an internal serial bus;
a plurality of addressable components electrically coupled to said internal serial bus, where each of said addressable components comprise:
a serial interface for communicating with said internal serial bus;
a memory; and
wherein said plurality of addressable components are selected from a group consisting of:
a laser driver, a laser bias controller, a power controller, a pre-amplifier, a post-amplifier, a laser wavelength controller, a main controller, a electrothermal cooler, an analog-to-digital converter, a digital-to analog converter, an APD bias controller, or any combination of the aforementioned components.
21. An optical transceiver module, comprising:
a housing;
a Transmitter Optical Subassembly (TOSA) disposed at least partially within said housing;
a Receiver Optical Subassembly (ROSA) disposed at least partially within said housing;
a serial bus disposed at least partially within said housing;
a host serial interface controller disposed within said housing, where said host serial interface controller is configured to couple said internal serial bus to a host serial bus;
a plurality of addressable components electrically coupled to said internal serial bus, where each of said addressable components comprise:
a serial interface for communicating with said internal serial bus; and
a memory; and
wherein said plurality of addressable components are selected from a group consisting of: a laser driver, a laser bias controller, a power controller, a pre-amplifier, a post-amplifier, a laser wavelength controller, a controller, a main electrothermal cooler, an analog-to-digital converter, a digital-to analog converter, an APD bias controller, or any combination of the aforementioned components.
22. The optical transceiver module of claim 21 , wherein each of said addressable components further comprise a unique address.
23. The optical transceiver module of claim 21 , wherein each of said addressable components further comprise chip select logic coupled to a controller via a chip select line.
24. An optical transceiver module, comprising:
an optical transmitter;
an optical receiver;
an internal serial bus;
an addressable component electrically coupled to said internal serial bus, where said addressable component is selected from a group consisting of: a laser bias controller, a power controller, a pre-amplifier, a post-amplifier, a laser wavelength controller, a electrothermal cooler, an analog-to-digital converter, a digital-to analog converter, an APD bias controller, or any combination of the aforementioned components,
and wherein said addressable component includes:
a serial interface for communicating with said internal serial bus; and
a memory.
25. An optical transceiver module, comprising:
an optical transmitter;
an optical receiver;
an internal serial bus;
a plurality of addressable components electrically coupled to said internal serial bus, where each of said addressable components comprise:
a serial interface for communicating with said internal serial bus;
a memory; and
wherein one of said plurality of addressable components is a power controller Integrated Circuit (IC) for performing power supply functions of said optical transceiver.
26. An optical transceiver module, comprising:
an optical transmitter;
an optical receiver;
an internal serial bus;
a plurality of addressable components electrically coupled to said internal serial bus, where each of said addressable components comprise:
a serial interface for communicating with said internal serial bus;
a memory; and
wherein one of said plurality of addressable components is a post-amplifier Integrated Circuit (IC) coupled to said optical receiver and said internal serial bus.
27. An optical transceiver module, comprising:
an optical transmitter;
an optical receiver;
an internal serial bus;
a plurality of addressable components electrically coupled to said internal serial bus, where each of said addressable components comprise:
a serial interface for communicating with said internal serial bus;
a memory; and
wherein one of said plurality of addressable components is a laser bias controller Integrated Circuit (IC) coupled to said optical transmitter and to said internal serial bus.
28. An optical transceiver module, comprising:
an optical transmitter;
an optical receiver;
an internal serial bus;
a plurality of addressable components electrically coupled to said internal serial bus, where each of said addressable components comprise:
a serial interface for communicating with said internal serial bus;
a memory; and
wherein one of said addressable components is a digital to analog converter.
29. An optical transceiver module, comprising:
an optical transmitter;
an optical receiver;
an internal serial bus;
a plurality of addressable components electrically coupled to said internal serial bus, where each of said addressable components comprise:
a serial interface for communicating with said internal serial bus;
a memory; and
wherein one of said plurality of addressable components is a laser wavelength controller IC coupled to said optical transmitter and to said internal serial bus.
30. An optical transceiver module, comprising:
an optical transmitter;
an optical receiver;
an internal serial bus;
a plurality of addressable components electrically coupled to said internal serial bus, where each of said addressable components comprise:
a serial interface for communicating with said internal serial bus;
a memory; and
wherein one of said plurality of addressable components is a APD bias controller IC coupled to said optical receiver and to said internal serial bus.