ClassID:

174027

G02B6/2713 - CPC Classification

Classification description:

Light guides; Coupling light guides; Optical coupling means with polarisation selective and adjusting means as bulk elements, i.e. free space arrangements external to a light guide, e.g. polarising beam splitters cascade of polarisation selective or adjusting operations

Sub-classes:
Recent Application in this class:
#1
20250199223
2025-06-19

CURVED REFLECTIVE POLARIZER

#2
20250180812
2025-06-05

DEVICE FOR COUPLING A LASER BEAM INTO A MULTI-CLAD FIBRE AND OPTICAL SYSTEM

#3
20240272362
2024-08-15

Optical coupling system and optical communication device

#4
20230204863
2023-06-29

QUANTUM COMPUTING UNIT, SINGLE PHOTON SOURCE, QUANTUM COMPUTING DEVICE, AND QUANTUM COMPUTING METHOD

#5
20230089314
2023-03-23

Curved reflective polarizer

#6
20200241187
2020-07-30

Curved reflective polariser films and methods of shaping

#7
20180314005
2018-11-01

Polarization splitters

#8
20170219853
2017-08-03

Polarization control based upon a polarization reference state

#9
20170055051
2017-02-23

Liquid crystal grating-based optical switch

#10
20170041689
2017-02-09

Optical communications apparatus and method

#11
20150177526
2015-06-25

Optical multiplexer and transmitter optical subassembly

#12
20140126909
2014-05-08

Optical signal multiplexing method and optical multiplexer

#13
20120237157
2012-09-20

Polarization interference optical interleaver

#14
20120230682
2012-09-13

Signal light monitoring apparatus, optical amplification apparatus and optical reception apparatus, and signal light monitoring method

#15
20120183252
2012-07-19

Optical waveguide device

#16
20120033911
2012-02-09

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

#17
20110234951
2011-09-29

Multi-pole optical signal switch

#18
20110194043
2011-08-11

Optical Switching Device with Reconfigurable Channel Spacing

#19
20110033151
2011-02-10

Optical wavelength selective router

#20
20100315640
2010-12-16

Polarization controller

#21
20100201985
2010-08-12

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

#22
20100067900
2010-03-18

Optical waveguide-type wavelength domain switch

#23
20100014802
2010-01-21

Coherent optical mixer and a method of coherent detection of light

#24
20090296186
2009-12-03

Polarization-controller driving method for optical fiber transmission systems and apparatus in accordance with said method

#25
20090208169
2009-08-20

Optical switching device with reconfigurable channel spacing

#26
20090195860
2009-08-06

Optical modulator and optical signal generation apparatus

#27
20090147212
2009-06-11

Single control liquid crystal optical switch and attenuator

#28
20090080072
2009-03-26

POLARIZATION MODE DISPERSION COMPENSATION USING AN ARRAYED WAVEGUIDE GRATING

#29
20080316585
2008-12-25

Optical wavelength selective router

#30
20080267562
2008-10-30

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

#31
20080266648
2008-10-30

Signal light monitoring apparatus, optical amplification apparatus and optical reception apparatus, and signal light monitoring method

#32
20080247026
2008-10-09

OPTICAL DIPLEXER WITH LIQUID CRYSTAL TUNABLE WAVEPLATE

#33
20080240727
2008-10-02

Tunable dispersion compensator

#34
20080159739
2008-07-03

Polarization mode dispersion compensator, polarization mode dispersion compensating method, and its application to optical communication system

#35
20080123188
2008-05-29

Device comprising a polarization-independent micro-resonator

#36
20080106814
2008-05-08

Tunable optical add/drop multiplexer

#37
20070280590
2007-12-06

Optical steering element and method

#38
20070280589
2007-12-06

Optical steering element and method

#39
20070253053
2007-11-01

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

#40
20070237528
2007-10-11

Polarization-maintaining optical rotary coupling

#41
20070230867
2007-10-04

Tunable optical add/drop multiplexer

#42
20070223078
2007-09-27

Polarization measurement and self-calibration based on multiple tunable optical polarization rotators

#43
20070053633
2007-03-08

Reconfigurable optical add/drop multiplexer

#44
20070002906
2007-01-04

Up-conversion optical fiber laser with external cavity structure

#45
20060285200
2006-12-21

Optical signal-to-noise ratio improving device

#46
20060262396
2006-11-23

Optical diplexer with liquid crystal tunable waveplate

#47
20060251354
2006-11-09

Variable lightwave functional circuit and variable lightwave functional apparatus

#48
20060245706
2006-11-02

Method and system for the controlled production of polarization mode dispersion

#49
20060239607
2006-10-26

Wavelength selector switch

#50
20060233488
2006-10-19

Variable lightwave functional circuit and variable lightwave functional apparatus

#51
20060233480
2006-10-19

Variable lightwave functional circuit and variable lightwave functional apparatus

#52
20060159864
2006-07-20

Electrically switchable polymer-dispersed liquid crystal materials including switchable optical couplers and reconfigurable optical interconnects

#53
20060110092
2006-05-25

Polarization mode dispersion compensator, polarization mode dispersion compensating method, and its application to optical communication system

#54
20060067604
2006-03-30

Method and apparatus for enhancing the extinction ratio in mode converters

#55
20060023987
2006-02-02

Optical instrument and measurements using multiple tunable optical polarization rotators

#56
20060018204
2006-01-26

Integrated optical multiplexer and demultiplexer

#57
20050276537
2005-12-15

Dual-source optical wavelength processor

#58
20050213865
2005-09-29

Optical signal-to-noise ratio improving device

#59
20050200941
2005-09-15

Generation and analysis of state of polarization using tunable optical polarization rotators

#60
20050174919
2005-08-11

OPTICAL POLARIZATION CONTROLLER

#61
20050135722
2005-06-23

Apparatus for compensating polarization mode dispersion

#62
20050129409
2005-06-16

Polarisation mode dispersion compensator using a mean square error technique

#63
20050128924
2005-06-16

Method of aligning an optical fiber, method of manufacturing a semiconductor laser module, and semiconductor laser module

#64
20050100262
2005-05-12

Variable lightwave function circuit and variable lightwave function device

#65
20050036200
2005-02-17

Optical encoding/decoding device

#66
20050007639
2005-01-13

Electrically switchable polymer-dispersed liquid crystal materials including switchable optical couplers and reconfigurable optical interconnects

#67
15685605
2018-05-29

Step couplers for planar waveguides