ClassID:

223836

H04B10/2525 - 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 chromatic dispersion using dispersion-compensating fibres

Sub-classes:
Recent Application in this class:
#1
20250389898
2025-12-25

OPTICAL WAVEGUIDE DEVICE AND OPTICAL NETWORK

#2
20250274215
2025-08-28

DISPERSION COMPENSABLE CWDM MUX

#3
20250226884
2025-07-10

OPTICAL TRANSMISSION SYSTEM, OPTICAL RECEIVER, OPTICAL TRANSMITTER, CONTROL METHOD AND PROGRAM

#4
20250167893
2025-05-22

OPTICAL NETWORK SYSTEM, CONTROL APPARATUS, OPTICAL RELAY APPARATUS, CONTROL METHOD, AND NON-TRANSITORY COMPUTER READABLE MEDIUM

#5
20250015893
2025-01-09

OPTICAL COMMUNICATION SYSTEM AND FIRST NODE

#6
20240258760
2024-08-01

Distributed Optical Amplifier, Distributed Optical Amplifier System, And Distributed Optical Amplification Method

#7
20230224041
2023-07-13

SIGNAL PROCESSING METHOD AND DEVICE, STORAGE MEDIUM, AND ELECTRONIC DEVICE

#8
20230155681
2023-05-18

Metric for Determining if a Multimode Optical Fiber is Dispersion Compensating

#9
20230097741
2023-03-30

OPTICAL RECEIVING APPARATUS AND OPTICAL RECEIVING METHOD

#10
20230077503
2023-03-16

FULL CONTROL OF POLARISATION IN FIBRE DELIVERED LIGHT FOR HARSH ENVIRONMENTS

#11
20230059003
2023-02-23

Wavelength dispersion compensation apparatus and wavelength dispersion compensation method

#12
20220385364
2022-12-01

Optical transmission system and fiber type determination method

#13
20220158749
2022-05-19

C and L band optical communications module link extender, and related systems and methods

#14
20210294026
2021-09-23

SINGLE-MODE OPTICAL FIBER HAVING NEGATIVE CHROMATIC DISPERSION

#15
20210288718
2021-09-16

Dispersion compensation circuit with cascaded varactor circuit elements

#16
20210194587
2021-06-24

Chromatic dispersion compensation

#17
20210058155
2021-02-25

Optical transmission system and method for core selection in multi-core fibers

#18
20210050918
2021-02-18

Methods and devices for the determination of core dependent loss in multi-core fiber transmission systems using core scrambling

#19
20200007242
2020-01-02

Quantum communication systems having dispersion compensating optical fiber links

#20
20190334620
2019-10-31

Signal transmitting method and apparatus, transmitter, and signal transmission system

#21
20190097723
2019-03-28

Multimode optical fiber communication device comprising a component for modal dispersion compensation

#22
20190052388
2019-02-14

SYSTEM AND METHOD FOR OPTICAL SIGNAL TRANSMISSION

#23
20180183521
2018-06-28

Optical pulse amplitude modulation transmission using digital pre-compensation

#24
20170244481
2017-08-24

METHOD FOR PRODUCING A QUALITY OF TRANSMISSION ESTIMATOR FOR OPTICAL TRANSMISSIONS

#25
20160087747
2016-03-24

Dense wavelength division multiplexing and single-wavelength transmission systems

#26
20130016968
2013-01-17

Tunable dispersion compensation device, optical reception apparatus, and method for controlling tunable dispersion compensation

#27
20130011140
2013-01-10

Suppression of non-linear effects in low dispersion optical fibers

#28
20120328294
2012-12-27

HIGH SPEED PASSIVE OPTICAL NETWORK ARCHITECTURE

#29
20120197769
2012-08-02

CHROMATIC DISPERSION COMPENSATION SYSTEM AND METHOD

#30
20090274417
2009-11-05

Optical fiber systems for delivering short high power pulses

#31
20090232496
2009-09-17

OPTICAL COMMUNICATION APPARATUS, OPTICAL TRANSMISSION SYSTEM AND METHOD FOR REDUCING NONLINEAR DEGRADATION

#32
20090056379
2009-03-05

Optical elements and methods of making optical elements

#33
20080226302
2008-09-18

CHROMATIC DISPERSION COMPENSATION SYSTEM AND METHOD

#34
20080151377
2008-06-26

Dispersion compensator, optical transmission system and optical transmission method

#35
20070223926
2007-09-27

Dispersion compensation device and dispersion compensation method

#36
20070189769
2007-08-16

Optical fiber with low second order distortion

#37
20070171517
2007-07-26

Optical fiber amplifier and dispersion compensating fiber module for optical fiber amplifier

#38
20070122158
2007-05-31

Chromatic dispersion compensation system and method

#39
20070092190
2007-04-26

Chromatic dispersion-compensating optical fibre in the S-band using a higher order mode

#40
20060233554
2006-10-19

Optical fiber systems for delivering short high power pulses

#41
20060233503
2006-10-19

Optical fiber and optical communication system employing the optical fiber

#42
20060193637
2006-08-31

Device and method for adjusting chromatic dispersion

#43
20060127099
2006-06-15

Chromatic dispersion compensation system and method

#44
20060126999
2006-06-15

Systems, devices, and methods for controlling non-linear optical interactions

#45
20060126998
2006-06-15

Lumped raman amplifier for adaptive dispersion compensation

#46
20060115203
2006-06-01

System and method to minimize modulation instability

#47
20060045533
2006-03-02

Dispersion management in optical networks using a differential phase shift keying modulation format

#48
20060039661
2006-02-23

Fiber for compensation of the cumulative chromatic dispersion in a fibre with negative chromatic dispersion

#49
20060018008
2006-01-26

Optical fiber amplifier and dispersion compensating fiber module for optical fiber amplifier

#50
20050286849
2005-12-29

Large kappa dispersion compensating fiber and transmission system

#51
20050259316
2005-11-24

Optical communication systems including optical amplifiers and amplification methods

#52
20050254762
2005-11-17

Chromatic dispersion compensation module

#53
20050213987
2005-09-29

Wavelength division multiplexing optical transmission system and wavelength dispersion compensation unit

#54
20050213909
2005-09-29

Chromatic dispersion-compensating optical fibre in the S-band using a higher order mode

#55
20050201700
2005-09-15

Dispersion compensating fiber module, and optical fiber transmission line

#56
20050191018
2005-09-01

Variable optical dispersion compensating module

#57
20050185964
2005-08-25

Dispersion compensation apparatus including a fixed dispersion compensator for coarse compensation and a variable dispersion compensator for fine compensation

#58
20050185905
2005-08-25

Dispersion correction fiber, transmission system and method of operating same

#59
20050175303
2005-08-11

Optical fiber for metro network

#60
20050163510
2005-07-28

Short haul optical communications

#61
20050105166
2005-05-19

Multiple order Raman amplifier

#62
20050100342
2005-05-12

Optical dispersion compensation system and method in optical communication system

#63
20050094955
2005-05-05

Dispersion compensating fiber for moderate dispersion NZDSF and transmission system utilizing same

#64
20050094255
2005-05-05

Optical communication systems including optical amplifiers and amplification methods

#65
20050089335
2005-04-28

Suppression of four-wave mixing in ultra dense WDM optical communication systems through optical fibre dispersion map design

#66
20050036752
2005-02-17

Dispersion compensated optical fiber transmission system and module including micro-structured optical fiber

#67
20050008287
2005-01-13

Modular dispersion compensator

#68
19295055
2026-04-07

Optical transceiver with dispersion management

#69
16950817
2021-10-12

C and L band optical communications module link extender, and related systems and methods

#70
16525586
2020-12-22

Dispersion monitor apparatus