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    FABRICATION-TOLERANT ON-CHIP PASSIVE MULTIPLEXERS AND DEMULTIPLEXERS
    1.
    发明申请
    FABRICATION-TOLERANT ON-CHIP PASSIVE MULTIPLEXERS AND DEMULTIPLEXERS 审中-公开

    公开(公告)号：WO2023069830A1

    公开(公告)日：2023-04-27

    申请号：PCT/US2022/077258

    申请日：2022-09-29

    Applicant: CISCO TECHNOLOGY, INC.

    Inventor： LEE, Yi Ho ,  LING, Tao ,  TUMMIDI, Ravi S. ,  WEBSTER, Mark A. ,  GOTHOSKAR, Prakash B.

    IPC: H04J14/02 ,  G02B6/12 ,  G02B6/293

    Abstract: Fabrication-tolerant on-chip multiplexers and demultiplexers are provides via a lattice filter interleaver configured to receive an input signal including a plurality of individual signals and to produce a first interleaved signal with a first subset of the plurality of individual signals and a second interleaved signal with a second subset of the plurality of individual signals; a first Bragg interleaver configured to receive the first interleaved signal and produce a first output signal including a first individual signal of the plurality of individual signals and a second output signal including a second individual signal of the plurality of individual signals; and a second Bragg interleaver configured to receive the second interleaved signal and produce a third output signal including a third individual signal of the plurality of individual signals and a fourth output signal including a fourth individual signal of the plurality of individual signals.

    CASCADED ARRANGEMENT OF TWO-MODE BRAGG GRATINGS IN MULTIPLEXING APPLICATIONS
    2.
    发明申请
    CASCADED ARRANGEMENT OF TWO-MODE BRAGG GRATINGS IN MULTIPLEXING APPLICATIONS 审中-公开

    公开(公告)号：WO2021184042A1

    公开(公告)日：2021-09-16

    申请号：PCT/US2021/070258

    申请日：2021-03-10

    Applicant: CISCO TECHNOLOGY, INC.

    Inventor： LING, Tao ,  LEE, Yi Ho ,  TUMMIDI, Ravi S. ,  WEBSTER, Mark A.

    IPC: H04J14/02 ,  G02B6/293

    Abstract: Aspects described herein include an optical apparatus comprising an input port configured to receive an optical signal comprising a plurality of wavelengths, and a plurality of output ports. Each output port is configured to output a respective wavelength of the plurality of wavelengths. The optical apparatus further comprises a first plurality of two-mode Bragg gratings in a cascaded arrangement. Each grating of the first plurality of two-mode Bragg gratings is configured to reflect a respective wavelength of the plurality of wavelengths toward a respective output port of the plurality of output ports, and transmit any remaining wavelengths of the plurality of wavelengths.

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