ClassID:

174081

G02B6/29397 - CPC Classification

Classification description:

Light guides; Coupling light guides; Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device Polarisation insensitivity

Recent Application in this class:
#1
20220390678
2022-12-08

Wavelength division multiplexer and silicon photonic integrated chip

#2
20190342026
2019-11-07

Method and system for a polarization immune wavelength division multiplexing demultiplexer

#3
20190296850
2019-09-26

Polarization independent optical device

#4
20190146156
2019-05-16

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

#5
20180321443
2018-11-08

Silicon-based multiplexer/demultiplexer

#6
20180095224
2018-04-05

Polarization-insensitive optical transceiver

#7
20180069649
2018-03-08

Method and system for a polarization immune wavelength division multiplexing demultiplexer

#8
20170373459
2017-12-28

VOLUME POLARIZATION GRATING, METHODS OF MAKING, AND APPLICATIONS

#9
20170359126
2017-12-14

Optical transmitter or transceiver including reversed planar lightwave circuit (PLC) splitter for optical multiplexing

#10
20170276873
2017-09-28

Micro-ring resonator

#11
20170163369
2017-06-08

Method and system for a polarization immune wavelength division multiplexing demultiplexer

#12
20170160133
2017-06-08

Image sensor

#13
20170118545
2017-04-27

Wavelength demultiplexer and wavelength multiplexer using same

#14
20170075069
2017-03-16

Optical multiplexer/demultiplexer device comprising Porro prisms

#15
20170059779
2017-03-02

Waveguide-type optical diffraction grating and optical wavelength filter

#16
20160341900
2016-11-24

Polarization reducing apparatus, light source apparatus, optical amplifying apparatus, and excitation light source apparatus for raman amplification

#17
20160036550
2016-02-04

Method and system for a polarization immune wavelength division multiplexing demultiplexer

#18
20150381301
2015-12-31

Wavelength division multiplexing optical receiver

#19
20150295672
2015-10-15

Optical wavelength demultiplexer having optical interference filters connected in cascade

#20
20150219842
2015-08-06

Method to optimize a light coupling waveguide

#21
20150117809
2015-04-30

Silicon waveguide having polarization insensitive and temperature insensitive phase delay

#22
20130177272
2013-07-11

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

#23
20120281982
2012-11-08

Optical channel monitor

#24
20120207428
2012-08-16

Methods and systems for reducing polarization dependent loss

#25
20110043817
2011-02-24

Polarization independent directional coupler and related optical devices

#26
20110013195
2011-01-20

Polarization independent optical device

#27
20100302637
2010-12-02

Polarization insensitive optical circuit

#28
20100119189
2010-05-13

Optical delay line interferometer

#29
20090284708
2009-11-19

Polarization independent birefringent tunable filters

#30
20080298738
2008-12-04

Waveguide type wavelength domain optical switch

#31
20070280590
2007-12-06

Optical steering element and method

#32
20070280589
2007-12-06

Optical steering element and method

#33
20070132993
2007-06-14

Multiple-wavelength spectroscopic apparatus

#34
20070127869
2007-06-07

Wavelength multiplexer/demultiplexer comprising an optically dispersive stratified body

#35
20070104421
2007-05-10

Wavelength selective device

#36
20060274320
2006-12-07

Reconfigurable polarization independent interferometers and methods of stabilization

#37
20060067611
2006-03-30

Wavelength selective reconfigurable optical cross-connect

#38
20050276537
2005-12-15

Dual-source optical wavelength processor

#39
20050175278
2005-08-11

Hitless errorless trimmable dynamic optical add/drop multiplexer devices

#40
20050053328
2005-03-10

Optical monitor and a method for improved optical monitoring

#41
17162495
2022-05-03

Optical device

#42
15464805
2018-07-31

Silicon-based multiplexer/demultiplexer for O-band

#43
15184856
2017-09-19

Polarization-insensitive optical transceiver