IP Library Granted Patent US 9,553,662
Granted Patent B2
US 9,553,662 · App. 15/065,789 · Granted Jan 24, 2017

Integrated driver redundancy for a silicon photonics device

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Quick Facts
Patent No.
US 9,553,662
App. No.
15/065,789
Granted
Jan 24, 2017
Kind
B2
Abstract

In an example, the present invention includes an integrated system on chip device. At least a pair of laser devices are associated with a channel and coupled to a switch to select one of the pair of laser devices to be coupled to an optical multiplexer to provide for a redundant laser device.

Claims (55)

1. A monolithically integrated system on chip device, the device comprising:

a single silicon substrate member;

a data input/output interface provided on the substrate member and configured for a predefined data rate and protocol;

an input/output block provided on the substrate member and coupled to the data input/output interface, the input/output block comprising a SerDes block and an equalizer block;

a signal processing block provided on the substrate member and coupled to the input/output block;

a driver module provided on the substrate member and coupled to the signal processing block;

a driver interface provided on the substrate member and coupled to the driver module and configured to be coupled to a silicon photonics device, the driver interface being configured to transmit output data in a predefined modulation format;

a receiver module comprising a TIA block provided on the substrate member and to be coupled to the silicon photonics device using the predefined modulation format, and configured to the signal processing block to communicate information to the input/output block for transmission through the data input/output interface;

a communication block provided on the substrate member and operably coupled to the input/output block, the signal processing block, the driver block, and the receiver block;

a communication interface coupled to the communication block;

a plurality of laser devices configured on the silicon photonics device, the plurality of laser devices including at least a first pair of laser devices associated with a first channel;

a switch being configured to select between the pair of laser devices for the first channel; and

one or more optical multiplexers coupled to the plurality of laser devices and at least the first channel.

2. The device of claim 1 wherein the signal processing block comprises a FEC block, a digital signal processing block, a framing block, a protocol block, and a redundancy block.

3. The device of claim 1 herein the signal processing block comprises an optical distortion/electrical compensation module.

4. The device of claim 1 wherein the signal processing block comprises a modulation conversion device.

5. The device of claim 1 wherein the signal processing block is configured to the input/output block using a bi-direction bus in an intermediary protocol.

6. The device of claim 1 wherein the input/output block comprises a SerDes block, a CDR block, a compensation block, and an equalizer block.

7. The device of claim 1 wherein the input/output block comprises a phase lock loop (PLL).

8. The device of claim 1 wherein the phase/amplitude modulation is QAM.

9. The device of claim 1 wherein the, at least a pair of laser devices being associated with a channel and coupled to a switch to select one of the pair of laser devices to be coupled to the channel in a corresponding optical multiplexer to provide for a redundant laser device.

10. The device of claim 1 wherein the control block is configured to initiate a laser bias or a modulator bias.

11. The device of claim 1 wherein the control block is configured for laser bias and power control of the silicon photonics device.

12. The device of claim 1 wherein the control block is configured with a thermal tuning or carrier tuning device each of which is configured on the silicon photonics device.

13. The device of claim 1 wherein the signal processing block comprises an optical distortion/electrical compensation block.

14. The device of claim 1 wherein the signal processing block comprises a modulation conversion block.

15. The device of claim 1 wherein the signal processing block comprises an error encoding/decoding block.

16. A monolithically integrated system on chip device, the device comprising:

a single silicon substrate member;

a data input/output interface provided on the substrate member and configured for a predefined data rate and protocol;

an input/output block provided on the substrate member and coupled to the data input/output interface, the input/output block comprising an equalizer block;

a signal processing block provided on the substrate member and coupled to the input/output block;

a driver module provided on the substrate member and coupled to the signal processing block;

a driver interface provided on the substrate member and coupled to the driver module and configured to be coupled to a silicon photonics device, the driver interface being configured to transmit output data in a predetermined modulation format;

a receiver module comprising a TIA block provided on the substrate member and to be coupled to the silicon photonics device using the predefined modulation format, and configured to the signal processing block to communicate information to the input/output block for transmission through the data input/output interface;

a communication block provided on the substrate member and operably coupled to the input/output block, the signal processing block, the driver block, and the receiver block;

a communication interface coupled to the communication block;

and

a plurality of laser devices configured on the silicon photonics device, at least a pair of laser devices being associated with a channel and coupled to a switch to select one of the pair of laser devices to be coupled to a channel in an optical multiplexer.

17. The device of claim 16 wherein the signal processing block comprises a FEC block, a digital signal processing block, a framing block, a protocol block, and a redundancy block; wherein the driver module is selected from a current drive or a voltage driver or a differential driver.

18. The device of claim 16 wherein the amplified modulation format is selected from NRZ format or PAM format.

19. The device of claim 16 wherein the phase modulation format is selected from BPSK or nPSK.

20. A monolithically integrated system on chip device, the device comprising:

a single silicon substrate member;

a data input/output interface provided on the substrate member and configured for a predefined data rate and protocol;

an input/output block provided on the substrate member and coupled to the data input/output interface;

a signal processing block provided on the substrate member and coupled to the input/output block, the signal processing block comprising an error correction block;

a driver module provided on the substrate member and coupled to the signal processing block;

a driver interface provided on the substrate member and coupled to the driver module and configured to be coupled to a silicon photonics device, the driver interface being configured to transmit output data in an predefined modulation format;

a receiver module comprising a TIA block provided on the substrate member and to be coupled to the silicon photonics device using the predefined modulation format, and configured to the signal processing block to communicate information to the input/output block for transmission through the data input/output interface;

a communication block provided on the substrate member and operably coupled to the input/output block, the signal processing block, the driver block, and the receiver block;

a communication interface coupled to the communication block;

a plurality of laser devices configured on the silicon photonics device, the plurality of laser devices including at least a first pair of laser devices associated with a first channel;

a switch being configured to select between the pair of laser devices for the first channel; and

one or more optical multiplexers coupled to the plurality of laser devices and at least the first channel.

Assignments (4)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 27, 2021
From: CAVIUM INTERNATIONAL
To: MARVELL ASIA PTE LTD.
Reel/Frame 057336/0873 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 25, 2021
From: MARVELL TECHNOLOGY CAYMAN I
To: CAVIUM INTERNATIONAL
Reel/Frame 057279/0519 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 23, 2021
From: INPHI CORPORATION
To: MARVELL TECHNOLOGY CAYMAN I
Reel/Frame 056649/0823 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 7, 2017
From: NAGARAJAN, RADHAKRISHNAN L.
To: INPHI CORPORATION
Reel/Frame 041933/0532 →