ClassID:

223902

H04B10/50595 - CPC Classification

Classification description:

Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication; Transmitters; Structural aspects; Laser transmitters using external modulation using a feed-forward signal generated by analysing the optical or electrical input to control the modulator DC bias

Recent Application in this class:
#1
20250080224
2025-03-06

Management and control system of wavelength-multiplexed subranging electro-optic modulator (SEOM)s for high dynamic range applications

#2
20220329954
2022-10-13

Sliding bias and peak limiting for optical hearing devices

#3
20220140912
2022-05-05

Phase response measurement method and apparatus

#4
20210384982
2021-12-09

Laser emitting system

#5
20200177283
2020-06-04

Pluggable optical module and optical communication system

#6
20200099454
2020-03-26

Optical modulator and method of use

#7
20200092664
2020-03-19

Sliding bias and peak limiting for optical hearing devices

#8
20190326990
2019-10-24

RF system with stimulated Brillouin scattering (SBS) photonic equalizer and related methods

#9
20190068288
2019-02-28

Electro-absorption bias circuit for electro-absorption modulators

#10
20180356655
2018-12-13

Method and system for a distributed mach-zehnder interferometer with integrated feed forward equalizer

#11
20180054230
2018-02-22

Signal transceiving circuit and receiving circuit control method

#12
20170293165
2017-10-12

Optical transmission device, optical modulator, and bias control method

#13
20170149507
2017-05-25

Optical transmitter and method for controlling the same

#14
20160248609
2016-08-25

Electro-absorption modulator adaptive equalizer systems and methods

#15
20160173304
2016-06-16

Signal generating apparatus and signal generating method

#16
20160112138
2016-04-21

Apparatus and method for monitoring signal quality of a modulated optical signal

#17
20150318921
2015-11-05

Bias monitoring method and apparatus and transmitter

#18
20150110437
2015-04-23

Controlling bias voltages for optical modulators

#19
20150050030
2015-02-19

Optical transmitter and method for controlling the same

#20
20140153077
2014-06-05

Optical modulation device and bias voltage control method

#21
20140029956
2014-01-30

Optical transmitter and method for controlling the same

#22
20130202315
2013-08-08

Optical transmitter and method for controlling bias for optical modulator

#23
20130028614
2013-01-31

Optical modulation device and bias voltage control method

#24
20120288284
2012-11-15

OPTICAL TRANSMITTER

#25
20120082465
2012-04-05

Optical transmitting apparatus, optical receiving apparatus, and optical communication system comprising them

#26
20110211830
2011-09-01

Optical communication apparatus and optical add/drop apparatus

#27
20110129232
2011-06-02

External modulator monitoring device and external modulator monitoring method

#28
20110085796
2011-04-14

Optical communication module and control method for optical communication module

#29
20090297168
2009-12-03

Optical communication apparatus and optical add/drop apparatus

#30
20090232517
2009-09-17

Ditherless optical modulator control

#31
20090092401
2009-04-09

Quaternary phase modulator

#32
20080107428
2008-05-08

Optical transmitter and optical communication system

#33
20080095543
2008-04-24

Optical communication apparatus and optical add/drop apparatus

#34
20080002989
2008-01-03

Apparatus and method for generating an optical single sideband signal

#35
20060263098
2006-11-23

Optical transmitting apparatus, optical receiving apparatus, and optical communication system comprising them

#36
20060263097
2006-11-23

Optical transmitting apparatus, optical receiving apparatus, and optical communication system comprising them

#37
20050128555
2005-06-16

Apparatus and method for automatically correcting bias voltage for carrier suppressed pulse generating modulator

#38
20050008373
2005-01-13

Multi-wavelength generating method and apparatus based on flattening of optical spectrum

#39
18680843
2024-11-05

Enhanced subranging electro-optic modulator (SEOM) for high dynamic range applications

#40
18585565
2025-01-21

Wavelength-multiplexed subranging electro-optic modulator (SEOM) for high dynamic range applications

#41
18238801
2024-02-27

Wavelength-multiplexed subranging electro-optic modulator (SEOM) for high dynamic range applications