US-20260128788-A1 - TRANSCEIVER RESILIENCY FOR EMBEDDED OPTICAL DEVICES

Abstract

Systems, devices, and methods for transceiver resiliency in embedded optical modules are provided. An example optical device includes an optical communication medium, a primary optical component optically coupled with the optical communication medium, and a redundant optical component optically coupled with the optical communication medium. The optical device also includes an optical switching element coupled with the primary optical component and the redundant optical component. The optical switching element selectively enables operation of the primary optical component and the redundant optical component, such as in response to operational characteristics of the primary optical component. The optical device may be embedded within an optical module.

Inventors

• Ran HASSON RUSO
• Isabelle Cestier
• Elad Mentovich

Assignees

• MELLANOX TECHNOLOGIES, LTD.

Dates

Publication Date

20260507

Application Date

20241105

Claims (20)

1. 1 . An optical device comprising: an optical communication medium; a primary optical component optically coupled with the optical communication medium; a redundant optical component optically coupled with the optical communication medium; and an optical switching element coupled with the primary optical component and the redundant optical component, wherein the optical switching element is configured to selectively enable operation of the primary optical component and the redundant optical component.
2. 2 . The optical device according to claim 1 , wherein the optical device is embedded within a Mid-Board Optical Module (MBOM) or Co-Packaged Optics (CPO) module.
3. 3 . The optical device according to claim 1 , wherein the primary optical component and the redundant optical component are optical transmitters configured to generate optical signals.
4. 4 . The optical device according to claim 3 , further comprising an optical element optically coupling the primary optical component and the redundant optical component with the optical communication medium.
5. 5 . The optical device according to claim 3 , wherein the optical switching element comprises a driver and a radiofrequency (RF) switch operably coupled with the driver.
6. 6 . The optical device according to claim 5 , wherein the driver is configured to transmit a control signal to the RF switch that causes either the primary optical component or the redundant optical component to generate optical signals.
7. 7 . The optical device according to claim 1 , wherein the optical switching element is, in response to one or more operational characteristics of the primary optical component, configured to: disable operation of the primary optical component; and enable operation of the redundant optical component.
8. 8 . The optical device according to claim 7 , wherein at least one of the one or more operational characteristics of the primary optical component are indicative of a failure condition of the primary optical component.
9. 9 . The optical device according to claim 1 , wherein the redundant optical component comprises a plurality of redundant optical components, and a number of the plurality of redundant optical components is based on the mean time between failures (MTBF) associated with the optical device.
10. 10 . The optical device according to claim 1 , wherein the optical communication medium is an optical fiber.
11. 11 . The optical device according to claim 3 , further comprising at least a first optical receiver.
12. 12 . The optical device according to claim 11 , wherein the first optical receiver is one of a plurality of optical receivers, and a number of optical transmitters is greater than a number of optical receivers forming the plurality.
13. 13 . The optical device according to claim 11 , wherein the first optical receiver is one of a plurality of optical receivers, and a number of optical transmitters is less than a number of optical receivers forming the plurality.
14. 14 . The optical device according to claim 1 , wherein the primary optical component and the redundant optical component are optical receivers configured to receive optical signals.
15. 15 . The optical device according to claim 14 , wherein the optical switching element comprises: an optical transimpedance amplifier (TIA); a radiofrequency (RF) switch operably coupled with the TIA, the primary optical component, and the redundant optical component; and an optical switch operably coupled with the optical communication medium.
16. 16 . The optical device according to claim 15 , wherein the TIA is configured to transmit a control signal to the optical switch that causes optical signals received via the optical communication medium to be directed to either the primary optical component or the redundant optical component.
17. 17 . The optical device according to claim 15 , further comprising: a first optical element operably coupling the primary optical component with the optical switch; and a second optical element operably coupling the redundant optical component with the optical switch.
18. 18 . The optical device according to claim 14 , wherein the optical switching element comprises: a multiplexer (MUX); a first optical transimpedance amplifier (TIA) operably coupled with the primary optical component; a second optical TIA operably coupled with the redundant optical component; and an optical switch operably coupled with the optical communication medium.
19. 19 . The optical device according to claim 18 , wherein the MUX is configured to transmit a control signal to the optical switch that causes optical signals received via the optical communication medium to be directed to either the primary optical component or the redundant optical component.
20. 20 . The optical device according to claim 18 , further comprising: a first optical element operably coupling the primary optical component with the optical switch; and a second optical element operably coupling the redundant optical component with the optical switch.

Description

TECHNOLOGICAL FIELD Example embodiments of the present disclosure relate generally to network communication and, more particularly, to transceiver resiliency for embedded optical devices. BACKGROUND Datacenters, high performance computing clusters, and/or the like are often formed of various computing components or networked devices (e.g., graphics processing units (GPUs), data processing units (DPUs), hosts, servers, racks, switches, etc.). Communication networks formed of electrical and/or optical devices (e.g., modules, transceivers, switches, and/or the like) may be used to enable communication between the networked devices forming these implementations. Through applied effort, ingenuity, and innovation, many of the problems associated with conventional networking and computing systems have been solved by developing solutions that are included in embodiments of the present disclosure, many examples of which are described in detail herein. GENERAL DESCRIPTION Systems, devices, and methods are disclosed herein for transceiver resiliency for embedded optical modules. An example optical device may include an optical communication medium, a primary optical component optically coupled with the optical communication medium, and a redundant optical component optically coupled with the optical communication medium. The optical device may further include an optical switching element coupled with the primary optical component and the redundant optical component. The optical switching element may be configured to selectively enable operation of the primary optical component and the redundant optical component. In some embodiments, the optical device may be embedded within an optical module, such as within a Mid-Board Optical Module (MBOM) or Co-Packaged Optics (CPO) module. In some embodiments, the MBOM or CPO module is modular such that the MBOM or CPO module supports a plurality of redundant optical components based on the mean time between failures (MTBF) associated with the optical device. In some embodiments, the primary optical component and the redundant optical component may be optical transmitters configured to generate optical signals. In some further embodiments, the optical device may further include an optical element optically coupling the primary optical component and the redundant optical component with the optical communication medium. In some embodiments, the optical switching element may include a driver and a radiofrequency (RF) switch operably coupled with the driver. In some further embodiments, the driver may be configured to transmit a control signal to the RF switch that causes either the primary optical component or the redundant optical component to generate optical signals. In some embodiments, the optical switching element is, in response to one or more operational characteristics of the primary optical component, configured to disable operation of the primary optical component and enable operation of the redundant optical component. In some further embodiments, at least one of the one or more operational characteristics of the primary optical component may be indicative of a failure condition of the primary optical component. In some embodiments, the redundant optical component may include a plurality of redundant optical components. In any embodiment, the optical communication medium may be an optical fiber. Additionally or alternatively, in some embodiments, the optical device may further include at least a first optical receiver. In such an embodiment, the first optical receiver may be one of a plurality of optical receivers, and a number of optical transmitters may be greater than a number of optical receivers forming the plurality. Alternatively, in such an embodiment, the first optical receiver may be one of a plurality of optical receivers, and a number of optical transmitters may be less than a number of optical receivers forming the plurality. In some embodiments, the primary optical component and the redundant optical component may be optical receivers configured to receive optical signals. In some further embodiments, the optical switching element may include an optical transimpedance amplifier (TIA), a radiofrequency (RF) switch operably coupled with the TIA, the primary optical component, and the redundant optical component, and an optical switch operably coupled with the optical communication medium. In some further embodiments, the TIA may be configured to transmit a control signal to the optical switch that causes optical signals received via the optical communication medium to be directed to either the primary optical component or the redundant optical component. In some further embodiments, the optical device may also include a first optical element operably coupling the primary optical component with the optical switch and a second optical element operably coupling the redundant optical component with the optical switch. In other further embodiments, the optical swit