ClassID:

174039

G02B6/2793 - CPC Classification

Classification description:

Light guides; Coupling light guides; Optical coupling means with polarisation selective and adjusting means characterised by their function or use, i.e. of the complete device Controlling polarisation dependent loss, e.g. polarisation insensitivity, reducing the change in polarisation degree of the output light even if the input polarisation state fluctuates

Recent Application in this class:
#1
20260099006
2026-04-09

OPTICAL DEVICE FOR POLARIZATION DEPENDENT LOSS COMPENSATION

#2
20240418937
2024-12-19

MODE CONTROL IN HETEROGENEOUSLY INTEGRATED PHOTONICS

#3
20220166513
2022-05-26

Polarization dependent loss (PDL) compensation systems

#4
20200358258
2020-11-12

Polarization insensitive colorless optical devices

#5
20200003954
2020-01-02

Integrated polarization splitter and rotator including a PDL tuning region

#6
20190393681
2019-12-26

Polarization insensitive colorless optical devices

#7
20190146156
2019-05-16

Techniques for reducing polarization, wavelength and temperature dependent loss, and wavelength passband width in fiberoptic components

#8
20190079308
2019-03-14

Depolarizers

#9
20180299620
2018-10-18

Delay line interferometer with polarization compensation at selective frequency

#10
20180143460
2018-05-24

Wavelength division multiplexed polarization independent reflective modulators

#11
20180100969
2018-04-12

Integrated polarization splitter and rotator including a third region for tuning the polarization dependent loss of output transverse electric signals

#12
20180059332
2018-03-01

Method and apparatus for obtaining optical measurements at an optical coupler having two inputs and two outputs

#13
20170371101
2017-12-28

Micro optical circuit and optical mode converter

#14
20170343739
2017-11-30

Optical coupling device and method

#15
20170329084
2017-11-16

POLARIZATION DEPENDENT LOSS CONTROL FOR POLARIZATION DIVERSE CIRCUIT

#16
20170168243
2017-06-15

Variable optical attenuator

#17
20170139161
2017-05-18

Optical fiber fixing structure

#18
20170010414
2017-01-12

Optical switches with surface grating couplers and edge couplers

#19
20160248519
2016-08-25

VARIABLE POWER SPLITTER FOR EQUALIZING OUTPUT POWER

#20
20160246005
2016-08-25

Integrated polarization splitter and rotator including a third region for tuning the polarization dependent loss of output transverse electric signals

#21
20160202428
2016-07-14

Polarization maintaining connectors

#22
20160191162
2016-06-30

Device for controlling polarization of optical fiber and method of controlling polarization of optical fiber using same

#23
20150219842
2015-08-06

Method to optimize a light coupling waveguide

#24
20150205048
2015-07-23

Polarization-dependent loss compensator

#25
20140254982
2014-09-11

Multicast optical switch

#26
20140126855
2014-05-08

Polarization control device

#27
20140072257
2014-03-13

Wavelength selective optical switch having specified characteristics of WDM signal light beam

#28
20140064729
2014-03-06

Polarization diverse demultiplexing

#29
20140064657
2014-03-06

Single-fiber subassembly

#30
20140064656
2014-03-06

Polarization diverse demultiplexing

#31
20140050437
2014-02-20

Optical fiber winding structures and techniques

#32
20130301976
2013-11-14

Waveguide-type polarization beam splitter

#33
20130177272
2013-07-11

Systems and methods for reducing off-axis optical aberrations in wavelength dispersed devices

#34
20130142507
2013-06-06

PDL compensator optical device, and PDL compensation method

#35
20120281982
2012-11-08

Optical channel monitor

#36
20120207428
2012-08-16

Methods and systems for reducing polarization dependent loss

#37
20120182551
2012-07-19

Free space single-mode fibers and fiber components for fiber sensor applications

#38
20120163751
2012-06-28

REFLECTION TYPE OPTICAL DELAY INTERFEROMETER APPARATUS BASED ON PLANAR WAVEGUIDE

#39
20120033911
2012-02-09

Delivering light via optical waveguide and multi-view optical probe head

#40
20100302637
2010-12-02

Polarization insensitive optical circuit

#41
20100201985
2010-08-12

Delivering light via optical waveguide and multi-view optical probe head

#42
20100067900
2010-03-18

Optical waveguide-type wavelength domain switch

#43
20100014802
2010-01-21

Coherent optical mixer and a method of coherent detection of light

#44
20090304392
2009-12-10

Reflective optical circulator

#45
20090284708
2009-11-19

Polarization independent birefringent tunable filters

#46
20090180729
2009-07-16

CMOS-compatible polarization-diverse tunable optical bandpass filter

#47
20080291462
2008-11-27

Apparatus and method for using a counter-propagating signal method for locating events

#48
20080279497
2008-11-13

Methods to reduce polarization dependent loss in planar lightwave circuits

#49
20080267562
2008-10-30

Delivering light via optical waveguide and multi-view optical probe head

#50
20080205821
2008-08-28

Wavelength selective optical switch

#51
20080123188
2008-05-29

Device comprising a polarization-independent micro-resonator

#52
20080085119
2008-04-10

Compact high-resolution tunable optical filter using optical diffraction element and a mirror

#53
20080031566
2008-02-07

Optical circuit device

#54
20070280590
2007-12-06

Optical steering element and method

#55
20070280589
2007-12-06

Optical steering element and method

#56
20070253053
2007-11-01

Method and device for stabilizing the state of polarization of optical radiation

#57
20070237528
2007-10-11

Polarization-maintaining optical rotary coupling

#58
20070127869
2007-06-07

Wavelength multiplexer/demultiplexer comprising an optically dispersive stratified body

#59
20070104418
2007-05-10

Wavelength selective optical switch

#60
20060182387
2006-08-17

Wavelength selective optical switch

#61
20060163457
2006-07-27

Apparatus and method for using a counter-propagating signal method for locating events

#62
20060083457
2006-04-20

Polarization insensitive method and apparatus for switching and modulating an optical beam

#63
20060067611
2006-03-30

Wavelength selective reconfigurable optical cross-connect

#64
20050276537
2005-12-15

Dual-source optical wavelength processor

#65
20050238280
2005-10-27

Optical device

#66
20050175278
2005-08-11

Hitless errorless trimmable dynamic optical add/drop multiplexer devices

#67
20050111848
2005-05-26

Chromatic dispersion compensator (CDC) in a photonic integrated circuit (PIC) chip and method of operation

#68
20050053328
2005-03-10

Optical monitor and a method for improved optical monitoring

#69
15899407
2018-07-17

Integrated optical device

#70
15446510
2018-01-23

Polarization-maintaining optical fiber and bidirectional optical transmission apparatus