ClassID:

223842

H04B10/2557 - CPC Classification

Classification description:

Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication; Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to fibre non-linearities, e.g. Kerr effect Cross-phase modulation [XPM]

Recent Application in this class:
#1
20260081682
2026-03-19

MINIMIZING PHASE-DELAY-INDUCED SIGNAL LOSS IN OPTICAL FIBERS

#2
20240187096
2024-06-06

OPTICAL ENCODER DEVICES AND SYSTEMS

#3
20240007188
2024-01-04

WIDE-BAND DEVICE FOR MEASURING THE CROSS-CORRELATION OF SIGNALS

#4
20230379607
2023-11-23

Method and apparatus for evaluating transmitter performance capabilities in a passive optical network

#5
20230291471
2023-09-14

Phase difference distribution estimation method and phase difference distribution estimation apparatus

#6
20230163850
2023-05-25

Optical encoder devices and systems

#7
20230065511
2023-03-02

Optical transmitter and transmission method

#8
20220286210
2022-09-08

Apparatus and method for shifting a frequency of an optical signal

#9
20220085887
2022-03-17

Optical encoder devices and systems

#10
20220069829
2022-03-03

Optical comb source for content-addressable memory encoders

#11
20210384984
2021-12-09

Optical transmitter and transmission method

#12
20210044353
2021-02-11

Optical encoder devices and systems

#13
20200403712
2020-12-24

Optical mitigation of inter-channel crosstalk for WDM channels

#14
20200204264
2020-06-25

Optical transmitter and transmission method

#15
20200036468
2020-01-30

Adjustment of control parameters of section of optical fiber network

#16
20190326999
2019-10-24

Optical phase distortion compensating device and method of compensating optical phase distortion

#17
20190312640
2019-10-10

Optical communication apparatus and frequency control method

#18
20180343078
2018-11-29

Power control in an optical fiber network

#19
20180227056
2018-08-09

Receiving device and receiving method

#20
20180212685
2018-07-26

RECEIVING APPARATUS AND SETTING METHOD

#21
20180167142
2018-06-14

Network management with per-node cross-phase-modulation (XPM) compensation

#22
20180083712
2018-03-22

Method and system for nonlinear interference mitigation

#23
20170366274
2017-12-21

Receiving apparatus and setting method

#24
20170264373
2017-09-14

Optical ising-model solver using quantum annealing

#25
20170070296
2017-03-09

Optical signal transmission apparatus and optical signal transmission method

#26
20160344482
2016-11-24

Method and system for nonlinear interference mitigation

#27
20160006508
2016-01-07

Optical-signal processing apparatus, optical transmission method, receiver, and optical network system

#28
20150358108
2015-12-10

Method and apparatus for increasing a transmission performance of a hybrid wavelength division multiplexing system

#29
20150229433
2015-08-13

Polarization multiplexing optical transmitter and operation control method

#30
20150222369
2015-08-06

Electro-optical implementation of an optical spectrum inverter

#31
20150195045
2015-07-09

Optical modulation schemes having reduced nonlinear optical transmission impairments

#32
20150139641
2015-05-21

Nonlinear noise cancellation in wavelength division multiplexing (WDM) systems

#33
20150104189
2015-04-16

Compensation apparatus and method for inter-channel nonlinear damage

#34
20140161458
2014-06-12

Method and apparatus for increasing a transmission performance of a hybrid wavelength division multiplexing system

#35
20130266311
2013-10-10

Method and apparatus for estimating cross-phase modulation impairments

#36
20130259480
2013-10-03

Optical transmission apparatus

#37
20120263461
2012-10-18

Multichannel nonlinearity compensation in an optical communications link

#38
20120170928
2012-07-05

Optical transmitter, optical transmission method, and wavelength-selective variable delayer

#39
20120014692
2012-01-19

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

#40
20110243557
2011-10-06

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

#41
20110229138
2011-09-22

Optical-signal processing apparatus, optical transmission method, receiver, and optical network system

#42
20110109953
2011-05-12

Reducing cross-phase modulation using group delay

#43
20100221013
2010-09-02

Optical transmission apparatus, wavelength division multiplexing optical communication system and optical transmission method

#44
20100158531
2010-06-24

Channel assignment method and apparatus for wavelength-division-multiplexed transmission system

#45
20100086305
2010-04-08

Reducing cross-modulation in multichannel modulated optical systems

#46
20080199182
2008-08-21

Transmission system and transmission method

#47
20080075463
2008-03-27

WDM optical transmission system and WDM optical transmission method

#48
15062244
2017-03-14

Method and apparatus for digital predistortion of ultra wideband radio frequency upconverters