ClassID:

175607

G02F2203/585 - CPC Classification

Classification description:

Function characteristic; Multi-wavelength, e.g. operation of the device at a plurality of wavelengths Add/drop devices

Recent Application in this class:
#1
20200287650
2020-09-10

Processing of multimode optical signals

#2
20190044640
2019-02-07

Processing of multimode optical signals

#3
20190004250
2019-01-03

Optical arrangement for managing diversity and isolation between ports in a wavelength selective switch

#4
20180152259
2018-05-31

Wavelength selective switch and optical signal transmission system

#5
20160259128
2016-09-08

Optical arrangement for managing diversity and isolation between ports in a wavelength selective switch

#6
20160077367
2016-03-17

System and method for pulse-width modulating a phase-only spatial light modulator

#7
20160033849
2016-02-04

Fast optical switch and its applications in optical communication

#8
20150318947
2015-11-05

Frequency conversion device, wavelength multiplex device and frequency conversion method

#9
20150229098
2015-08-13

Raman amplifier and gain control method

#10
20150187227
2015-07-02

Autodidactic cognitive training device and method thereof

#11
20140204330
2014-07-24

Pipelined pixel applications in liquid crystal on silicon chip

#12
20140204299
2014-07-24

Local buffers in a liquid crystal on silicon chip

#13
20140185982
2014-07-03

Wave vector matched resonator and bus waveguide system

#14
20140177024
2014-06-26

Methods using an intense control light at a first wavelength to cause a whispering gallery mode resonator to self tune at a second wavelength, and apparatus employing such methods such as optical pass/stop band filters and optical demultiplexers

#15
20140133004
2014-05-15

Wavelength selection polarization controller

#16
20140043674
2014-02-13

Optical amplifier, optical amplifying system, wavelength converter, optical amplification method, and optical communication system

#17
20140028936
2014-01-30

Optical node device

#18
20130308662
2013-11-21

Wavelength tunable laser

#19
20130161496
2013-06-27

Optical switch, optical demodulator, and optical demodulation method having feedback control of temperature regulator based on optical detector output

#20
20120189240
2012-07-26

Wavelength division multiplexing and optical modulation apparatus

#21
20120128350
2012-05-24

BALANCED BYPASS CIRCULATORS AND FOLDED UNIVERSALLY-BALANCED INTERFEROMETERS

#22
20120045163
2012-02-23

Optical circuit apparatus, method, and application

#23
20110280573
2011-11-17

OPTICAL BEAM STEERING

#24
20110274125
2011-11-10

Optical multiplexer and fiber laser

#25
20110273657
2011-11-10

Optical beam steering

#26
20110194043
2011-08-11

Optical Switching Device with Reconfigurable Channel Spacing

#27
20110063711
2011-03-17

System and method for generating optical radiation of controllable spectral content

#28
20110063710
2011-03-17

Resonator system

#29
20110026879
2011-02-03

Fabrication-tolerant waveguides and resonators

#30
20100284649
2010-11-11

Variable wavelength light source, optical module and manufacturing method of variable wavelength light source

#31
20100247101
2010-09-30

High frequency optical processing

#32
20100209038
2010-08-19

Hitless tuning and switching of optical resonator amplitude and phase responses

#33
20100129077
2010-05-27

TECHNIQUES FOR IMPLEMENTING A DUAL ARRAY WAVEGUIDE FILTER FOR A WAVELENGTH DIVISION MULTIPLEXED PASSIVE OPTICAL NETWORK

#34
20100067900
2010-03-18

Optical waveguide-type wavelength domain switch

#35
20100021167
2010-01-28

Wavelength selecting switch

#36
20100015741
2010-01-21

Fabrication of an optical ring resonator device

#37
20100007945
2010-01-14

Optical Device Comprising a GaInP-Based Photonic Crystal not Exhibiting Two-Photon Absorption

#38
20090226173
2009-09-10

Wavelength division multiplexing filter, wavelength division multiplexing system, and wavelength division multiplexing method

#39
20090220228
2009-09-03

Wide free-spectral-range, widely tunable and hitless-switchable optical channel add-drop filters

#40
20090208217
2009-08-20

Radiation modulation by reflection from controlled composite material

#41
20090208169
2009-08-20

Optical switching device with reconfigurable channel spacing

#42
20090154869
2009-06-18

Tunable Filter Device Comprising a Waveguide Containing Bragg Grating, and a Planer Substrate

#43
20090122817
2009-05-14

VARIABLE-WAVELENGTH FILTER AND VARIABLE-WAVELENGTH LASER

#44
20090067773
2009-03-12

Rapidly tunable wavelength selective ring resonator

#45
20090028555
2009-01-29

OPTICAL FILTER

#46
20080193133
2008-08-14

Scalable reconfigurable optical add-drop multiplexer

#47
20080166095
2008-07-10

Fabrication-tolerant waveguides and resonators

#48
20080131047
2008-06-05

Photonic interconnect system

#49
20080118201
2008-05-22

Photonic interconnect method

#50
20080112703
2008-05-15

Photonic interconnect system

#51
20080112665
2008-05-15

Photonic interconnect system

#52
20080107380
2008-05-08

Method and apparatus for processing optical signals with supergratings

#53
20080089640
2008-04-17

Photonic based interconnects for interconnecting multiple integrated circuits

#54
20080056638
2008-03-06

Polarization-independent electro-optical (EO) switching

#55
20080044184
2008-02-21

Balanced bypass circulators and folded universally-balanced interferometers

#56
20080043311
2008-02-21

Thin film tunable optical filter

#57
20070258714
2007-11-08

Wavelength division multiplexed optical communication system with rapidly-tunable optical filters

#58
20070211987
2007-09-13

Optical switch and optical add/drop multiplexer

#59
20070196047
2007-08-23

Method and apparatus for detecting multiple optical wave lengths

#60
20070183713
2007-08-09

Optical signal amplifying triode and optical signal transfer method, optical signal relay device, and optical signal storage device using the same

#61
20070183712
2007-08-09

Optical signal amplifying triode and optical signal transfer method, optical signal relay device, and optical signal storage device using the same

#62
20070147841
2007-06-28

Optical add/drop device

#63
20070110353
2007-05-17

System and method for wavelength selective switching employing single-element gratings

#64
20070076285
2007-04-05

Apparatus for reducing drops in a transmission spectrum due to inter-pixel gaps

#65
20070047872
2007-03-01

Electro-optically tunable optical filter

#66
20060263008
2006-11-23

Hitless tunable optical add drop multiplexer with vernier gratings

#67
20060233486
2006-10-19

Integrated optical add/drop device having switching function

#68
20060120665
2006-06-08

Variable demultiplexer

#69
20060119917
2006-06-08

Switchable polymer-dispersed liquid crystal optical elements

#70
20060119914
2006-06-08

Switchable polymer-dispersed liquid crystal optical elements

#71
20060114564
2006-06-01

Switchable polymer-dispersed liquid crystal optical elements

#72
20060114533
2006-06-01

Switchable polymer-dispersed liquid crystal optical elements

#73
20060078257
2006-04-13

Tunable wavelength optical transmission module

#74
20060056758
2006-03-16

Photonic interconnections that include optical transmission paths for transmitting optical signals

#75
20060051022
2006-03-09

Method and apparatus for detecting multiple optical wave lengths

#76
20060050358
2006-03-09

Electrochemically controlled optical devices

#77
20060008203
2006-01-12

Optical signal amplifying triode and optical signal transfer method, optical signal relay device, and optical signal storage device using the same

#78
20050232543
2005-10-20

Heating optical devices

#79
20050232542
2005-10-20

Hitless tunable optical add drop multiplexer with vernier gratings

#80
20050226550
2005-10-13

Control method and control apparatus of optical device

#81
20050099662
2005-05-12

Switchable polymer-dispersed liquid crystal optical elements

#82
20050078902
2005-04-14

Photonic interconnect system

#83
20050047712
2005-03-03

Reconfigurable optical device for wavelength division multiplexing networks

#84
20050013523
2005-01-20

Optical add drop multiplexer device

#85
14260175
2017-04-04

Resonant optical device with a microheater