ClassID:

173788

G02B6/02019 - CPC Classification

Classification description:

Light guides; Optical fibres with cladding characterised by the core effective area or mode field radius; Large effective area or mode field radius, e.g. to reduce nonlinear effects in single mode fibres; Effective area greater than 60 square microns in the C band, i.e. 1530-1565 nm Effective area greater than 90 square microns in the C band, i.e. 1530-1565 nm

Recent Application in this class:
#1
20260063835
2026-03-05

OPTICAL FIBER WITH REDUCED ATTENUATION DUE TO REDUCED ABSORPTION CONTRIBUTION

#2
20260023210
2026-01-22

HOLLOW-CORE FIBER ARRAY UNIT WITH INTEGRATED SOLID CORE WAVEGUIDE INTERFACE

#3
20260023209
2026-01-22

MULTI-CORE FIBER

#4
20250284049
2025-09-11

OPTICAL FIBER

#5
20250277930
2025-09-04

METHODS OF INCREASING HIGHER-ORDER MODE SUPPRESSION IN LARGE-MODE AREA RING FIBERS AND SYSTEMS THEREOF

#6
20250172747
2025-05-29

UNCOUPLED MULTICORE OPTICAL FIBER WITH ALKALI DOPED CORES

#7
20250172746
2025-05-29

UNCOUPLED MULTICORE OPTICAL FIBER

#8
20240329345
2024-10-03

OPTICAL FIBER CABLE

#9
20240069271
2024-02-29

UNCOUPLED-CORE MULTICORE OPTICAL FIBER WITH REDUCED CROSS TALK

#10
20240053531
2024-02-15

UNCOUPLED MULTICORE OPTICAL FIBER WITH ALKALI DOPED, OFF-SET TRENCH CORES

#11
20230417983
2023-12-28

CO-ALKALI DOPED OPTICAL FIBERS

#12
20230358949
2023-11-09

OPTICAL FIBER, OPTICAL FIBER TAPE CORE WIRE, AND OPTICAL FIBER CABLE

#13
20230324605
2023-10-12

OPTICAL FIBER, METHOD OF DESIGNING OPTICAL FIBER, AND METHOD OF MANUFACTURING OPTICAL FIBER

#14
20230314697
2023-10-05

Ultra-low-loss coupled-core multicore optical fibers

#15
20220283363
2022-09-08

OPTICAL FIBER WITH REDUCED ATTENUATION DUE TO REDUCED ABSORPTION CONTRIBUTION

#16
20220043201
2022-02-10

Ultra-low-loss coupled-core multicore optical fibers

#17
20210199883
2021-07-01

Coated optical fiber and optical fiber cable

#18
20210116634
2021-04-22

OPTICAL FIBERS HAVING CORE REGIONS WITH REDUCED ALPHA PROFILES

#19
20210088720
2021-03-25

Thermally resistant radiation curable coatings for optical fiber

#20
20210033782
2021-02-04

Cut-off shifted optical fibre with large effective area

#21
20200333528
2020-10-22

Optical fiber, coated optical fiber, and optical transmission system

#22
20200241199
2020-07-30

Weakly coupled few-mode fibers for space-division multiplexing

#23
20200166700
2020-05-28

Thermally resistant radiation curable coatings for optical fiber

#24
20190386748
2019-12-19

Optical fiber and optical transmission system

#25
20190384000
2019-12-19

OPTICAL FIBER

#26
20190369325
2019-12-05

High chlorine content low attenuation optical fiber

#27
20190346620
2019-11-14

Few mode optical fiber

#28
20190278021
2019-09-12

Optical fiber line and optical fiber line manufacturing method

#29
20190278020
2019-09-12

Optical fiber, colored optical fiber, and optical transmission system

#30
20190278019
2019-09-12

Quasi-single-mode optical fiber

#31
20190162899
2019-05-30

Few-mode optical fiber

#32
20190162897
2019-05-30

Few mode optical fiber

#33
20190146150
2019-05-16

Optical fiber for applications requiring high system optical signal-to-noise ratio performance and low degradation from nonlinear impairments

#34
20190113678
2019-04-18

Optical fiber and method for manufacturing same

#35
20190101693
2019-04-04

Optical fiber, and system and method for manufacturing optical fiber

#36
20190072712
2019-03-07

Multicore fiber for communication

#37
20180128968
2018-05-10

Single-mode optical fiber with ultra low attenuation and large effective area

#38
20180105462
2018-04-19

MANUFACTURING METHOD OF OPTICAL FIBER AND OPTICAL FIBER

#39
20180002221
2018-01-04

Low loss optical fibers with fluorine and chlorine codoped core regions

#40
20170307825
2017-10-26

TAPERED OPTICAL FIBER CONNECTIONS

#41
20170176674
2017-06-22

Single-mode fiber with ultralow attenuation and large effective area

#42
20170168231
2017-06-15

High chlorine content low attenuation optical fiber

#43
20170160465
2017-06-08

Optical fiber with large effective area and low bending loss

#44
20170146733
2017-05-25

Raman-enhanced transmission fiber

#45
20170131468
2017-05-11

Optical fiber and optical fiber transmission path

#46
20170125965
2017-05-04

Rare-earth doped gain fibers

#47
20170123148
2017-05-04

Rare-earth doped gain fibers

#48
20170077670
2017-03-16

Optical fiber and optical transport system

#49
20170075060
2017-03-16

Optical fiber

#50
20170031122
2017-02-02

Optical fiber cable

#51
20170031092
2017-02-02

Optical fiber

#52
20170031088
2017-02-02

OPTICAL FIBER CABLE

#53
20170017032
2017-01-19

Optical fiber with macrobend loss mitigating layer

#54
20170003445
2017-01-05

Optical fiber with large effective area and low bending loss

#55
20160304392
2016-10-20

Low loss optical fibers with fluorine and chlorine codoped core regions

#56
20160291278
2016-10-06

Optical fiber cable

#57
20160258788
2016-09-08

Distributed brillouin sensor

#58
20160245994
2016-08-25

Multicore fiber for communication

#59
20160245993
2016-08-25

Multicore fiber for communication

#60
20160216441
2016-07-28

Rare-earth doped gain fibers

#61
20160170137
2016-06-16

Low loss optical fiber and method of making the same

#62
20160154175
2016-06-02

Optical transmission systems and methods using a QSM large-effective-area optical fiber

#63
20160109651
2016-04-21

Low loss optical fiber and method of making the same

#64
20160097897
2016-04-07

Primary coatings for optical fibers having short gel times

#65
20160091660
2016-03-31

Quasi-single-mode optical fiber with a large effective area

#66
20160011365
2016-01-14

High chlorine content low attenuation optical fiber

#67
20150362670
2015-12-17

Bend compensation in telecommunications optical fibers

#68
20150331180
2015-11-19

OPTICAL FIBER AND OPTICAL FIBER SILICA GLASS BASE MATERIAL

#69
20150301277
2015-10-22

Optical fiber with large effective area

#70
20150301276
2015-10-22

Single mode optical fiber with large effective area

#71
20150293300
2015-10-15

Single-mode, bend-compensated, large-mode-area optical fibers designed to accomodate simplified fabrication and tighter bends

#72
20150226915
2015-08-13

Optical fiber

#73
20150098682
2015-04-09

Optical fiber preform, method for producing optical fiber, and optical fiber

#74
20150063824
2015-03-05

Optical fiber transmission line

#75
20140294355
2014-10-02

Large effective area fiber with low bending losses

#76
20140241686
2014-08-28

Optical fiber and method of manufacturing the same

#77
20140241684
2014-08-28

Low attenuation optical fibers with an F-graded index core

#78
20140169748
2014-06-19

Optimized ultra large area optical fibers

#79
20140161404
2014-06-12

Multicore fiber designs for spatial multiplexing

#80
20140093205
2014-04-03

Step-index few-mode fiber designs for spatial multiplexing

#81
20140029906
2014-01-30

Optical fiber and optical transmission system

#82
20130259426
2013-10-03

Single-mode optical fibers for optical fiber connectors

#83
20130251324
2013-09-26

Large mode area optical fibers with bend compensation

#84
20130251323
2013-09-26

Optical fiber, optical transmission system, and method for measuring optical fiber

#85
20130243380
2013-09-19

Optical fiber, optical transmission line, and method for manufacturing optical fiber

#86
20130223851
2013-08-29

Dispersion-compensating system and dispersion-compensating fiber with improved figure of merit

#87
20130114129
2013-05-09

Large core area single mode optical fiber

#88
20130077925
2013-03-28

Optical fiber

#89
20130071081
2013-03-21

Optimized ultra large area optical fibers

#90
20130071080
2013-03-21

Optimized ultra large area optical fibers

#91
20130071079
2013-03-21

Optimized ultra large area optical fibers

#92
20120328255
2012-12-27

Few-moded optical fibers

#93
20120294576
2012-11-22

Large effective area optical fibers

#94
20120192593
2012-08-02

Method for producing optical fiber preform

#95
20120177333
2012-07-12

Optical fiber

#96
20120148258
2012-06-14

Optical communications system

#97
20120141078
2012-06-07

Optical fiber

#98
20120106909
2012-05-03

Large effective area optical fiber with low bend loss

#99
20120051703
2012-03-01

Single-mode optical fiber

#100
20120008908
2012-01-12

Multi-core optical fiber

#101
20110222863
2011-09-15

Unrepeatered long haul optical fiber transmission systems

#102
20110211788
2011-09-01

Optical fiber and optical communication system including same

#103
20110188826
2011-08-04

Non-zero dispersion shifted optical fiber having a large effective area

#104
20110129191
2011-06-02

Large effective area fiber

#105
20110103758
2011-05-05

OPTICAL FIBER AND METHOD OF MANUFACTURING THE SAME

#106
20110091176
2011-04-21

HOLEY FIBERS

#107
20110058769
2011-03-10

All-fiber module for femtosecond pulse compression and supercontinuum generation

#108
20110044700
2011-02-24

Optical communications system

#109
20110044595
2011-02-24

Transmission optical fiber having large effective area

#110
20110026890
2011-02-03

HOLEY FIBERS

#111
20100296786
2010-11-25

Optical fibers

#112
20100296784
2010-11-25

Multi-core optical fiber having alignment markers

#113
20100290750
2010-11-18

Multi-core optical fiber

#114
20100220965
2010-09-02

Optical fiber structure and a method of producing thereof

#115
20100215329
2010-08-26

Large effective area low attenuation optical fiber

#116
20100195966
2010-08-05

Large effective area fiber with Ge-free core

#117
20100189400
2010-07-29

Single-mode optical fiber

#118
20100189399
2010-07-29

Single-mode optical fiber having an enlarged effective area

#119
20100189397
2010-07-29

Single-mode optical fiber

#120
20100135628
2010-06-03

HOLEY FIBER

#121
20100103959
2010-04-29

Selectively pumping a gain-doped region of an optical fiber

#122
20100054660
2010-03-04

Remote larger effective area optical fiber

#123
20100034500
2010-02-11

Sequentially increasing effective area in higher-order mode (HOM) Signal Propagation

#124
20100027938
2010-02-04

Pumping in a Higher-Order Mode That is Substantially Identical To a Signal Mode

#125
20100008664
2010-01-14

Preventing dielectric breakdown in optical fibers

#126
20100008633
2010-01-14

Segmented gain-doping of an optical fiber

#127
20100002992
2010-01-07

Pumping in a higher-order mode that is different from a signal mode

#128
20090274180
2009-11-05

All-fiber module for femtosecond pulse compression and supercontinuum generation

#129
20090263091
2009-10-22

Optical fiber

#130
20090148112
2009-06-11

Optical fiber

#131
20090080844
2009-03-26

Optical communication system

#132
20090074351
2009-03-19

Optical fiber, and optical access network, local area network and optical parts for communication, which use the optical fiber

#133
20090052853
2009-02-26

Holey fiber and method of manufacturing the same

#134
20090034926
2009-02-05

Holey fiber and method of manufacturing the same

#135
20090034059
2009-02-05

Suppression of higher-order modes by resonant coupling in bend-compensated optical fibers

#136
20080310806
2008-12-18

Holey fiber and method of manufacturing the same

#137
20080304800
2008-12-11

Optical fiber with large effective area

#138
20080279517
2008-11-13

Large effective area fiber

#139
20080273850
2008-11-06

Optical fiber and optical-fiber transmission line

#140
20080180787
2008-07-31

High power optical apparatus employing large-mode-area, multimode, gain-producing optical fibers

#141
20080131065
2008-06-05

Large-mode-area, multimode, hybrid optical fibers and devices using same

#142
20080069506
2008-03-20

Optical fibers for high power applications

#143
20080063348
2008-03-13

Optical fiber

#144
20070274651
2007-11-29

Large mode area fibers using higher order modes

#145
20070258686
2007-11-08

Chromatic dispersion compensating fiber

#146
20070196062
2007-08-23

Optical fiber

#147
20070140634
2007-06-21

Gain-producing, large-mode-area, multimode, hybrid optical fibers and devices using same

#148
20070116416
2007-05-24

High SBS threshold optical fiber with aluminum dopant

#149
20070077004
2007-04-05

Large mode area fibers using higher order modes

#150
20070065081
2007-03-22

Compensating fiber for cumulated chromatic dispersion and chromatic dispersion slope

#151
20070053642
2007-03-08

Low attenuation large effective area optical fiber

#152
20060269200
2006-11-30

Large mode area fibers using higher order modes

#153
20060233503
2006-10-19

Optical fiber and optical communication system employing the optical fiber

#154
20060198591
2006-09-07

Optical fiber, method for manufacturing same and optical transmission channel

#155
20060103919
2006-05-18

Large mode area fibers using higher order modes

#156
20060045448
2006-03-02

Hole-assisted single mode optical fiber

#157
20060039664
2006-02-23

Large effective area high SBS threshold optical fiber

#158
20050254763
2005-11-17

Dispersion managed HOM multimode optical fibre

#159
20050244120
2005-11-03

Low attenuation large effective area optical fiber

#160
20050135760
2005-06-23

High SBS threshold NZDS optical fiber

#161
20050123257
2005-06-09

Optical fiber of complex index profile

#162
20050089289
2005-04-28

Optical fiber, method for manufacturing same and optical transmission channel

#163
14101643
2016-01-26

Low modulus primary coatings for optical fibers