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Bandwidth adjustable optical module and system

  • US 10,128,970 B2
  • Filed: 06/20/2016
  • Issued: 11/13/2018
  • Est. Priority Date: 12/20/2013
  • Status: Expired due to Fees
First Claim
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1. An optical module for facilitating communication in a passive optical network, wherein the optical module comprises:

  • a first electrical interface and a second electrical interface;

    a first optical port and a second optical port; and

    an optical transceiver assembly;

    wherein the first electrical interface is configured to be connected to an electrical interface of a first board or an electrical interface of another optical module, and the second electrical interface is configured to be connected to an electrical interface of a second board or an electrical interface of another optical module;

    wherein the first optical port is configured to be connected to an optical transmission device or an optical port of another optical module, and the second optical port is configured to be connected to an optical receiving device or an optical port of another optical module;

    wherein the optical module is connected, via the first electrical interface and the first optical port and/or via the second electrical interface and the second optical port to at least one other optical module, so as to form an arrangement of multiple cascaded optical modules;

    wherein the optical transceiver assembly is configured to generate light and to multiplex the generated light with light input via the first optical port;

    wherein the second optical port is configured to output the multiplexed light;

    wherein the optical transceiver assembly is configured to filter light corresponding to a wavelength of the optical module out from light input through the second optical port;

    wherein the first optical port is configured to output the filtered light;

    wherein the first optical port comprises a first upstream optical port and a first downstream optical port, and the second optical port comprises a second upstream optical port and a second downstream optical port;

    wherein the second downstream optical port of the second optical interface is configured to output the multiplexed light; and

    wherein the first upstream optical port of the second optical interface is configured to output the filtered light.

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