ClassID:

175466

G02F2/004 - CPC Classification

Classification description:

Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light Transferring the modulation of modulated light, i.e. transferring the information from one optical carrier of a first wavelength to a second optical carrier of a second wavelength, e.g. all-optical wavelength converter

Sub-classes:
Recent Application in this class:
#1
20240187096
2024-06-06

OPTICAL ENCODER DEVICES AND SYSTEMS

#2
20230163850
2023-05-25

Optical encoder devices and systems

#3
20220158741
2022-05-19

Wavelength converter and fiber optic transmission system

#4
20220085887
2022-03-17

Optical encoder devices and systems

#5
20220060273
2022-02-24

Wavelength converter and optical transmission device that includes wavelength converter

#6
20210278741
2021-09-09

Light receive scanner with liquid crystal beamsteerer

#7
20210103200
2021-04-08

WAVELENGTH CONVERTER, OPTICAL COMMUNICATION SYSTEM, AND METHOD FOR ADJUSTING WAVELENGTH CONVERTER

#8
20210044353
2021-02-11

Optical encoder devices and systems

#9
20200241384
2020-07-30

Wavelength converter apparatus and method of performing wavelength conversion

#10
20200004107
2020-01-02

Optical transmission apparatus, optical transmission system, and method of controlling excitation light frequency

#11
20190353980
2019-11-21

Wavelength converter, wavelength conversion method, and transmission device

#12
20190253776
2019-08-15

Fast optical switch and its applications in optical communication

#13
20190212631
2019-07-11

Wavelength conversion device, control-light generation device, wavelength conversion method, and control-light generation method

#14
20190204626
2019-07-04

Data creation device, light control device, data creation method, and data creation program

#15
20190163033
2019-05-30

Resonant structured optical transistor

#16
20190146306
2019-05-16

Optical transmission apparatus, optical transmission system, and method of controlling excitation light frequency

#17
20190121119
2019-04-25

Projector and wavelength conversion device

#18
20190109666
2019-04-11

Wavelength converter and optical transmission device that includes wavelength converter

#19
20190041722
2019-02-07

Apparatus for analyzing a media, and associated egg identification apparatus and method

#20
20190011111
2019-01-10

Luminous systems

#21
20180373065
2018-12-27

Concepts pertaining to integrated sensor and optical phase/amplitude modulator

#22
20180307119
2018-10-25

Wavelength conversion device, control-light generation device, wavelength conversion method, and control-light generation method

#23
20180031205
2018-02-01

Luminous systems

#24
20160195792
2016-07-07

Device and method for all-optical information exchange

#25
20160006508
2016-01-07

Optical-signal processing apparatus, optical transmission method, receiver, and optical network system

#26
20150277157
2015-10-01

Detector remodulator

#27
20150168803
2015-06-18

Parallel and WDM silicon photonics integration in information and communications technology systems

#28
20150093071
2015-04-02

Surface plasmon polariton device including discontinuous waveguide separated by gap, and apparatus and method for generating surface plasmon polariton signal using same

#29
20150041683
2015-02-12

Luminous systems

#30
20140016933
2014-01-16

Method and device for converting an input light signal into an output light signal

#31
20140003760
2014-01-02

Reconfigurable optical networks

#32
20130301664
2013-11-14

High spectral-purity carrier wave generation by nonlinear optical mixing

#33
20130101248
2013-04-25

Polarization independent wavelength converter and polarization independent wavelength conversion method

#34
20120301148
2012-11-29

Optical signal processing apparatus and optical communication system

#35
20120170109
2012-07-05

Device for controlling optical frequency, method of manufacturing such a device

#36
20120074321
2012-03-29

Variable waveband infrared imager

#37
20120020665
2012-01-26

Optical signal processor

#38
20110229138
2011-09-22

Optical-signal processing apparatus, optical transmission method, receiver, and optical network system

#39
20110198515
2011-08-18

Terahertz radiation device and method of generating terahertz radiation

#40
20100220997
2010-09-02

OPTICAL SIGNAL PROCESSING DEVICE AND METHOD OF PROCESSING OPTICAL SIGNAL

#41
20100189446
2010-07-29

OPTICAL SIGNAL PROCESSING

#42
20100006780
2010-01-14

Method and apparatus for enhanced terahertz radiation from high stacking fault density

#43
20090279165
2009-11-12

Three-terminal optical signal amplifying device

#44
20090225401
2009-09-10

Nonlinear and gain optical devices formed in metal gratings

#45
20090195860
2009-08-06

Optical modulator and optical signal generation apparatus

#46
20070286551
2007-12-13

All-optical phase, wavelength, and polarization-insensitive wavelength converters

#47
20070201127
2007-08-30

Three-terminal optical signal amplifying device

#48
20070189662
2007-08-16

All-optical switch

#49
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

#50
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

#51
20060291038
2006-12-28

Optical wavelength converter

#52
20060285200
2006-12-21

Optical signal-to-noise ratio improving device

#53
20060257065
2006-11-16

Traveling-wave optoelectronic wavelength converter

#54
20060193032
2006-08-31

Multi-frequency light source

#55
20060140528
2006-06-29

Traveling-wave optoelectronic wavelength converter

#56
20060139738
2006-06-29

Method and apparatus for controlling a SOA-MZI wavelength converter

#57
20060119929
2006-06-08

Wavelength converter for generating wavelength tunable laser optical source in itself

#58
20060092500
2006-05-04

Four-wave-mixing based optical wavelength converter device

#59
20060087721
2006-04-27

Optical signal amplification device

#60
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

#61
20050213865
2005-09-29

Optical signal-to-noise ratio improving device

#62
20050207757
2005-09-22

Method of wavelength conversion and wavelength converter

#63
20050129356
2005-06-16

Optical functional device based on Mach-Zehnder interferometer

#64
20050100281
2005-05-12

Phase optimization apparatus and method for obtaining maximum extinction ratio in mach-zehnder interferometer wavelength converter using cross phase modulation of semiconductor optical amplifier

#65
20050058458
2005-03-17

Wavelength converter

#66
20050053385
2005-03-10

Optical apparatus and optical processing method

#67
20050018941
2005-01-27

Traveling-wave optoelectronic wavelength converter

#68
20050012983
2005-01-20

Intensity modulation of optical signals

#69
20050002597
2005-01-06

Integrated optical router and wavelength convertor matrix