Distribution matching for probabilistic constellation shaping with an arbitrary input/output alphabet

M Torbatian, D Chan, HH Sun, S Thomson… - US Patent App. 16 …, 2019 - Google Patents
Consistent with the present disclosure, an encoder circuit is provided at a transmit side of an
optical fiber link that maps an input sequence of bits of fixed length ka sequence of symbols …

System and method for receiver sensitivity improvement

A Pejkic, S Radic - US Patent 11,212,011, 2021 - Google Patents
(57) ABSTRACT A system and method for ultrashort signal detection adds an optical
weighting element upstream of a detector within a direct detection receiver. The optical …

Methods for computation-free wideband spectral correlation and analysis

V Ataie - US Patent 11,137,627, 2021 - Google Patents
An apparatus for generating a set of spectral correlation coefficients of an input signal
includes: a master laser configured to generate an optical frequency comb signal; a first …

Computationally efficient real time photonic cyclic autocorrelation function (CAF) analyzer device

DJ Esman, RD Esman - US Patent 11,356,173, 2022 - Google Patents
A computationally efficient real-time photonic cyclic autocorrelation function (CAF) analysis
device and method are disclosed. In embodiments, the CAF analyzer generates a photonic …

Polarization maintaining parametric optical frequency comb generator

DJ Esman, RD Esman, MA Laliberte - US Patent 11,982,922, 2024 - Google Patents
A system is described. The system includes HNLF for generating an optical frequency comb
and a single mode fiber for reducing a pulse duration of comb. The system includes a FRM …

System and method for analog estimation and streaming of a spectral correlation function (SCF)

DJ Esman - US Patent 11,515,946, 2022 - Google Patents
A system and method for analog estimation of a spectral correlation function (SCF) provides
a photonic carrier to generate a signal comb and offset comb, each comprising N comb …

System and method for receiver sensitivity improvement

A Pejkic, S Radic - US Patent 11,742,954, 2023 - Google Patents
A system and method for ultrashort signal detection adds an optical weighting element
upstream of a detector within a direct detection receiver. The optical weighting element is …

Methods for computation-free wideband spectral correlation and analysis

V Ataie - US Patent 11,567,351, 2023 - Google Patents
An apparatus for generating a set of spectral correlation coeficients of an input signal
includes: a master laser configured to generate an optical frequency comb signal; a first …

Optical communication system and method

C Schmidt, V Jungnickel - US Patent 10,819,431, 2020 - Google Patents
It are provided an optical communication system and an optical communication method. The
system comprising at least two optical channels for communicating optical data signals; at …