Constellation optimization based on generalized mutual information over a nonlinear optical channel

S Zhang, F Yaman, EM Rodriguez, Y Inada - US Patent 10,382,138, 2019 - Google Patents
Aspects of the present disclosure describe methods of generating an optimized set of
constellation symbols for an optical transmission network wherein the optimized …

Optical signal transmitter and optical signal encoder using constant modulus formats, and method for generating modulation codes

K Kojima, T Yoshida, TK Akino, D Millar… - US Patent …, 2019 - Google Patents
An encoder for generating an optical data code from a symbol performs a symbol mapping
and an encoding, wherein the symbol mapping performs providing a first constellation …

Power-based encoding of data to be transmitted over an optical communication path

AA Hassan, WC Chen - US Patent 10,742,326, 2020 - Google Patents
A system for transmitting data over an optical communication path is configured to receive
data to be encoded in a bitstream for transmission using an optical communication path and …

Photonic integrated circuit package using optical hybrid circuits

PW Evans - US Patent 10,261,259, 2019 - Google Patents
Consistent with the present disclosure, a coherent receiver PIC may be provided having
waveguides that may be routed in a substantially U-shaped bend to feed both an incoming …

Use of error correction codes to prevent errors in neighboring storage

AA Hassan, RD Kuntz, DA Lickorish - US Patent 11,086,719, 2021 - Google Patents
Disclosed in some examples are methods, systems, storage devices, and machine readable
mediums that utilize the ability of ECC to correct errors to actively prevent errors. The …

Increasing average power levels to reduce peak-to-average power levels using error correction codes

AA Hassan - US Patent 11,063,696, 2021 - Google Patents
Disclosed in some examples are methods, systems, devices, and machine-readable
mediums which optimize one or more metrics of a communication system by intentionally …

Time division multiple access optical subcarriers

A Jafari, KT Wu, DF Welch, SJ Hand… - US Patent …, 2022 - Google Patents
A transmitter can include a laser operable to output an optical signal; a digital signal
processor operable to receive data and provide a plurality of electrical signals based on the …

Intelligent optimization of communication systems utilizing error correction

AA Hassan - US Patent 10,911,284, 2021 - Google Patents
Woessner, PA (57) ABSTRACT Disclosed in some examples are methods, systems, devices,
and machine-readable mediums which optimize one or more metrics of a communication …

Coherent optical communication with constellations having coordinates on circles

RJ Essiambre, R Ryf, M Kodialam - US Patent 10,601,521, 2020 - Google Patents
An optical data receiver includes optical hybrids, light detectors and a digital signal
processor. Each optical hybrid outputs mixtures of a corresponding one of the polarization …

Optical transmitter and transmission method

DF Bendimerad, H Hafermann, H Zhang - US Patent 11,658,748, 2023 - Google Patents
2022-10-26 Assigned to HUAWEI TECHNOLOGIES CO., LTD. reassignment HUAWEI
TECHNOLOGIES CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT …