ClassID:

175467

G02F2002/006 - CPC Classification

Classification description:

Recent Application in this class:
#1
20210103200
2021-04-08

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

#2
20210044353
2021-02-11

Optical encoder devices and systems

#3
20200241384
2020-07-30

Wavelength converter apparatus and method of performing wavelength conversion

#4
20190353980
2019-11-21

Wavelength converter, wavelength conversion method, and transmission device

#5
20190327000
2019-10-24

Coherent receiver module

#6
20190253776
2019-08-15

Fast optical switch and its applications in optical communication

#7
20190212631
2019-07-11

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

#8
20180307119
2018-10-25

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

#9
20180195694
2018-07-12

Light emitting apparatus

#10
20180195689
2018-07-12

Light source employing a wavelength conversion device with a light introducing device and a light collecting device

#11
20180062757
2018-03-01

COHERENT RECEIVER

#12
20170242326
2017-08-24

Projection system, light source system and light source assembly

#13
20170242325
2017-08-24

Projection system, light source system and light source assembly

#14
20160195792
2016-07-07

Device and method for all-optical information exchange

#15
20150168803
2015-06-18

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

#16
20140043673
2014-02-13

Method and device for converting optical frequency

#17
20140016933
2014-01-16

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

#18
20130101248
2013-04-25

Polarization independent wavelength converter and polarization independent wavelength conversion method

#19
20130063806
2013-03-14

Optical analog-to-digital converter, method of constructing the same, optical signal demodulator, and optical modulator-demodulator

#20
15845379
2018-08-14

M-ARY frequency presence modulation communication system and method