Inventor

KIM INWOONG

US78 patents

⚠️ This page may combine multiple inventors who share the name “KIM INWOONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KIM INWOONG

FUJITSU LTD

Constellation shaping of modulation formats for optical communication systems

Methods and systems for using modulation frequencies for optical channel monitoring with periodic optical filtering

Mitigation of polarization dependent loss in optical multi-carrier/super-channel transmission

Error correction in optical networks with probabilistic shaping and symbol rate optimization

Probabilistic constellation shaping for optical networks with diverse transmission media

Probabilistic constellation shaping using set-partitioned M-QAM

Reach extension for optical networks through control of modulation formats and numbers of subcarriers

Reach extension of multi-carrier channels using unequal subcarrier spacing

System and method for monitoring polarization-dependent loss

Methods and systems for optical channel monitoring with periodic optical filtering of dual polarization signals

Fiber input power selection for probabilistically shaped signals in optical networks

Reducing variance in reach of WDM channels in an optical network

Systems and methods for reconfiguring an adaptive optical network when adding an optical path

System and method for monitoring and control of an optical modulator for an M-QAM transmitter

Probabilistic shaping on eight-dimensional super-symbols

Noise estimation in optical networks

Spectral slot assignment and placement of wavelength shifters in flexible grid optical networks

Distributed virtual network embedding

Carrier suppressed multi-level pulse amplitude modulation

Nonlinear penalty estimation using spectral inversion in optical transport networks

Object-oriented network virtualization

Nonlinear noise mitigation with spectral inversion in optical transport networks

Methods and systems for superchannel power pre-emphasis

Methods and systems for superchannel subcarrier monitoring using amplitude modulated tones

Methods and systems for periodic optical filtering to identify tone modulated optical signals

Flexible virtual optical network provisioning using distance-adaptive modulation

System and method for monitoring a dual-polarization signal using an in-band supervisory signal

Wavelength shift elimination during spectral inversion in optical networks

Low rate loss bit-level distribution matcher for constellation shaping

System and method for compensating signal degradation in dual polarization optical systems

Localization of an anomaly in an optical transmission system

Optical signal adjustment

Encoding data

Harmonic generation and phase sensitive amplification using a bragg reflection waveguide

KIM INWOONG

Estimating frequency offset using a feedback loop

Flexible placement of spectral inverters in optical networks

In-band supervisory data modulation

Method and system for cancellation of chromatic dispersion combined laser phase noise

Method and system for electrical domain optical spectrum shaping

Multi-level polarization multi-level phase modulator

System and method for cross-phase modulation noise reduced transmission in hybrid networks

In-band supervisory data modulation using complementary power modulation

VASSILIEVA OLGA I

System and method for reducing polarization dependent loss cross-talk effects

LI GUIFANG

Electronic post-compensation of optical transmission impairments using digital backward propagation

BOUDA MARTIN

Multi-wavelength transponder with wavelength division multiplexing modules

YANG JENG-YUAN

Optical signal regeneration and amplification of M-PSK and M-QAM modulation formats using reconfigurable wavelength selective processors and phase-sensitive amplifiers

WANG XI

Defragmentation of optical networks

UNIV CENTRAL FLORIDA RES FOUND

Systems and methods for optical carrier recovery

FUJITSU NETWORK COMMUNICATIONS

Optical QPSK signal regeneration and amplification

CROUSSORE KEVIN

Method and system for reducing cross-phase modulation in an optical signal