公开(公告)号：US12184399B1

公开(公告)日：2024-12-31

申请号：US17957063

申请日：2022-09-30

Applicant: Amazon Technologies, Inc.

Inventor： Omid Momtahan ,  Aliasghar Eftekhar ,  Alaa Adel Mahdi Hayder ,  Poorya Saghari

IPC: H04J14/02 ,  H04J14/00

Abstract: An optical communication system comprises a plurality of linked single-wavelength coherent optical transceivers configured to communicate via short-reach data-center links at a common reference wavelength, each transceiver including a single single-wavelength laser source that is used to produce a source beam at a source beam wavelength, the source beam being used to produce transmit beams sent by the transceiver and for mixing with one or more receive beams received by the transceiver; wherein each of the transceivers includes a thermo-electric cooler configured to control a temperature of the single-wavelength laser source around a temperature setpoint that locks the source beam wavelength to the common reference wavelength; wherein each transceiver includes a wavelength deviation detector configured to detect a wavelength deviation between the source beam wavelength and the wavelength or wavelengths of the one or more receive beams or between the source beam wavelength and the common reference wavelength, wherein the wavelength deviation detector is configured to detect a threshold amount of wavelength deviation that is indicative that the single-wavelength laser source is problematic or a single-wavelength laser source of a separate transceiver coupled to send the one or more receive beams is problematic, wherein each transceiver is configured to indicate the wavelength deviation or problematic characteristic in order to identify problematic laser sources and thereby prevent the linked network of transceivers from communicating at a linked network wavelength that is marginal or out-of-range in relation to the common reference wavelength.

公开(公告)号：US11457294B1

公开(公告)日：2022-09-27

申请号：US16841571

申请日：2020-04-06

Applicant: Amazon Technologies, Inc.

Inventor： Alaa Adel Mahdi Hayder ,  Kanika Gupta ,  Jason Eslick

IPC: G02B6/28 ,  G02B6/26 ,  G02B6/38 ,  G02B6/36 ,  H04Q11/00 ,  H04B10/071 ,  H04L12/46

Abstract: An apparatus can include an optical transceiver having a body with a first end at which a circuitry interface is located to facilitate transfer of data between a network appliance and the optical transceiver. The apparatus further includes a four-cable interface at a second end of the body. The four-cable interface releasably receives four independently releasable connectors for transfer of optical signals between the optical transceiver and respective ferrules of the four independently releasable connectors. In some examples, a carrier may be provided that is releasably connected with the four-cable interface and that includes four sockets for respectively independently receiving the four independently receivable connectors so as to facilitate collective insertion and removal of the four independently releasable connectors relative to the four-cable interface.

公开(公告)号：US10908369B1

公开(公告)日：2021-02-02

申请号：US15633687

申请日：2017-06-26

Applicant: Amazon Technologies, Inc.

Inventor： Alaa Adel Mahdi Hayder ,  Alan Michael Judge ,  Scott Holt

IPC: H04J14/00 ,  G02B6/42 ,  H04Q11/00 ,  G02B6/10 ,  H04B10/112 ,  H04J14/06 ,  G02B6/12

Abstract: Optical transceivers include receiver-side and transmitter-side optical switches that selectively route optical signals to be transmitted to a wavelength division multiplexer or demultiplexed received signals to corresponding photodetectors. Other optical signals are transmitted or received via optical fibers and directed by the optical switches without wavelength multiplexing. In some examples, the switches are programmable and data routing can be altered as desired. In other examples, the switches are fixed, and data routing is altered by switch replacement.

公开(公告)号：US10826780B1

公开(公告)日：2020-11-03

申请号：US15629520

申请日：2017-06-21

Applicant: Amazon Technologies, Inc.

Inventor： Kristofer Thomas Ivarson ,  Alaa Adel Mahdi Hayder ,  Emily Abbess ,  Seth Dwyer

IPC: H04L12/24

Abstract: An active patch panel assembly splits an optical signal of a fiber optic cable into two signals: a first signal directed to a patch panel port and a second signal measured by an optical sensor unit. A network management service of a computing services resource provider receives signal information from the optical sensor unit regarding the optical signal. The network management server may compare the signal information with signal information received from another patch panel assembly. Based on a correspondence between the signal information of the different patch panels, the network management service may determine a data path association between the optical signals. The data path association may be recorded in a database that stores data path associations of a service provider.

公开(公告)号：US10447545B1

公开(公告)日：2019-10-15

申请号：US14581801

申请日：2014-12-23

Applicant: Amazon Technologies, Inc.

Inventor： Denizcan Billor ,  Alaa Adel Mahdi Hayder ,  Daril Alexandre Vilhena ,  Rohit Sivaprasad ,  Yi Chen

IPC: H04L12/24 ,  H04J14/02 ,  G06F15/16 ,  G06F13/36 ,  G06F15/173

Abstract: A system adapted to identify a router port corresponding to a DWDM device port is disclosed. A port identification server gathers and accumulates time series traffic data for a port of a DWDM device and plurality of router ports. The port identification server compares the time series traffic data for the port of the DWDM device with the time series data for router ports in order to determine which one of the router ports has data transmitted therefrom and received thereat that best fits or corresponds to the data received at and sent from the DWDM port. The port identification server identifies the router port that has time series data traffic that most closely matches the data traffic at the DWDM port as connected to the DWDM port.