中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

247 records (took 0.02 seconds)

    FORWARD ERROR CORRECTION SYSTEMS AND METHODS
    61.
    发明申请
    FORWARD ERROR CORRECTION SYSTEMS AND METHODS 有权

    公开(公告)号：US20210195659A1

    公开(公告)日：2021-06-24

    申请号：US17063447

    申请日：2020-10-05

    Applicant: Acacia Communications, Inc.

    Inventor： Pierre Humblet

    IPC: H04W76/10 ,  H04W72/04 ,  H04W28/20 ,  H04L1/00 ,  H03M13/29

    Abstract: Techniques for performing forward error correction of data to be transmitted over an optical communications channel. The techniques include: receiving data bits; organizing the data hits into an arrangement having a plurality of blocks organized into rows and columns and into a plurality of strands including a first strand of blocks that includes a back portion comprising a first row of the plurality of blocks, and a front portion comprising blocks from at least two different columns in at least two different rows other than the first row of blocks; and encoding at least some of the data bits in the arrangement using a first error correcting code at least in part by generating first parity bits by applying the first error correcting code to first data bits in the front portion of the first strands and second data bits in the back portion of the first strand.

    Modulation systems and methods in optical transceivers
    62.
    发明授权
    Modulation systems and methods in optical transceivers 有权

    公开(公告)号：US10833911B2

    公开(公告)日：2020-11-10

    申请号：US16533046

    申请日：2019-08-06

    Applicant: Acacia Communications, Inc.

    Inventor： Hongbin Zhang ,  Mehmet Aydinlik

    IPC: H04B10/54 ,  H04L27/34 ,  H04L27/36 ,  H04B10/61 ,  H04B10/516 ,  H04L27/38

    Abstract: Quadrature amplitude modulation (QAM) techniques for use in optical systems are described. An optical transceiver may include a modulator configured to modulate data according to a scaled set-partitioning QAM (SP-QAM) scheme. The modulator may be configured to receive a plurality of bits, associate the plurality of bits with a plurality of symbols according to the scaled (SP-QAM) scheme; and transmit the plurality of symbols over an optical channel. A demodulator in an optical receiver may receive the plurality of symbols transmitted over the optical channel and associate the received symbols with a plurality of bits according to the scaled (SP-QAM) scheme; and provide the plurality of bits to a forward error correction decoder.

    COHERENT RECEIVER ARRAY
    66.
    发明申请
    COHERENT RECEIVER ARRAY 审中-公开

    公开(公告)号：US20190310071A1

    公开(公告)日：2019-10-10

    申请号：US16441576

    申请日：2019-06-14

    Applicant: Acacia Communications, Inc.

    Inventor： Christopher Doerr

    IPC: G01B9/02 ,  G01S17/89 ,  G01S7/486

    Abstract: Optical coherent receiver arrays are described. The optical coherent receiver arrays include an integrated array of photodetectors separated by integrated mirrors which may cause interference of received free space optical and local oscillator signals. The mirrors may serve as splitters, helping to align the received signal and local oscillator to cause interference. The photodetectors of the optical coherent receiver array may be electrically coupled in various manners to read out the signals. The optical coherent receiver array may be implemented in an optical coherence tomography (OCT) imaging system in some embodiments.

    Silicon photonics multicarrier optical transceiver
    67.
    发明授权
    Silicon photonics multicarrier optical transceiver 有权

    公开(公告)号：US10389448B1

    公开(公告)日：2019-08-20

    申请号：US15971889

    申请日：2018-05-04

    Applicant: Acacia Communications, Inc.

    Inventor： Christopher Doerr

    IPC: H04B10/40 ,  H04B10/50 ,  H04B10/54 ,  H04B10/60 ,  H04B10/556

    Abstract: Disclosed herein are techniques, methods, structures and apparatus that provide a silicon photonics multicarrier optical transceiver wherein both the transmitter and receiver are integrated on a single silicon chip and which generates a plurality of carriers through the effect of an on-chip modulator, amplifies the optical power of the carriers through the effect of an off-chip amplifier, and generates M orthogonal sets of carriers through the effect of an on-chip basis former.

Patent Agency Ranking