ClassID:

223925

H04B10/611 - CPC Classification

Classification description:

Recent Application in this class:
#1
20200382217
2020-12-03

Coherent optical receiver

#2
20200174193
2020-06-04

Pluggable optical module and optical communication system

#3
20200106528
2020-04-02

System and methods for cable fiber node splitting using coherent optics

#4
20200044737
2020-02-06

Signal combining device and signal combining method

#5
20190391006
2019-12-26

Photodetector circuit with improved saturation current and integrated optical filtering

#6
20190342004
2019-11-07

Coherent optical receiver device and coherent optical receiving method

#7
20190334627
2019-10-31

Clock recovery for band-limited optical channels

#8
20190245643
2019-08-08

Clock recovery for digital subcarriers for optical networks

#9
20190245627
2019-08-08

Independently routable digital subcarriers with configurable spacing for optical communication networks

#10
20190245626
2019-08-08

Independently routable digital subcarriers for optical communication networks

#11
20190196097
2019-06-27

Optical circuit

#12
20190074908
2019-03-07

COHERENT OPTICAL RECEIVER FOR MEDIUM- AND SHORT-REACH LINKS

#13
20180294913
2018-10-11

Optical transport system employing direct-detection self-coherent receivers and compatible transmitters

#14
20180278338
2018-09-27

Decoding a combined amplitude modulated and frequency modulated signal

#15
20180175941
2018-06-21

System and methods for cable fiber node splitting using coherent optics

#16
20180156974
2018-06-07

Pluggable optical module and optical communication system

#17
20180076902
2018-03-15

Communication control device and communication control system

#18
20180019817
2018-01-18

Scrambler for a multimode optical fiber and optical transmission system using such scrambler systems

#19
20170294972
2017-10-12

Method and system for decoding a modulated signal

#20
20170294970
2017-10-12

Optical receiver, optical termination device, and optical communication system

#21
20170026134
2017-01-26

Polarisation-independent coherent optical receiver

#22
20170005733
2017-01-05

Clock recovery for optical transmission systems

#23
20160352432
2016-12-01

Decoding a combined amplitude modulated and frequency modulated signal

#24
20160164602
2016-06-09

Coherent optical receiver device and coherent optical receiving method

#25
20160056889
2016-02-25

Optical spatial-division multiplexed transmission system and transmission method

#26
20160028577
2016-01-28

Reception of 2-subcarriers coherent orthogonal frequency division multiplexed signals

#27
20150188641
2015-07-02

Power-efficient maximum likelihood decoding for 5 bits per dual-pol-symbol modulation

#28
20150139667
2015-05-21

Optical receiver circuit

#29
20150110490
2015-04-23

Receiver, transmission system, method for receiving polarization multiplexed optical signal, and non-transitory computer readable medium storing receiver control program

#30
20150104177
2015-04-16

Full-duplex optical transceiver applicable to digital coherent system

#31
20150016827
2015-01-15

High-speed low-jitter communication system

#32
20150003825
2015-01-01

Feed-forward carrier phase recovery for optical communications

#33
20140363176
2014-12-11

Optical phase compensation device, optical receiver, and optical phase compensation method

#34
20140270809
2014-09-18

Coherent optical receiver and optical receiving method

#35
20140254723
2014-09-11

Polar multi-symbol delay detector for carrier phase and frequency recovery for coherent transmission

#36
20140212149
2014-07-31

Soft decoding of data in a coherent optical receiver

#37
20140199063
2014-07-17

Generation of an optical local-oscillator signal for a coherent-detection scheme

#38
20140029959
2014-01-30

Digital coherent receiving apparatus

#39
20140003813
2014-01-02

Forward error correction for an optical transport system

#40
20130336665
2013-12-19

Optical receiver and optical reception method

#41
20130329834
2013-12-12

Feed-forward carrier phase recovery for optical communications

#42
20130287393
2013-10-31

Coherent optical receiver device and coherent optical receiving method

#43
20130230312
2013-09-05

Correction of a local-oscillator phase error in a coherent optical receiver

#44
20130071124
2013-03-21

Coherent optical receivers for colorless reception

#45
20130022351
2013-01-24

Optical transmitting/receiving system and timing extracting method in optical transmitting/receiving system

#46
20120308233
2012-12-06

Receiver and cross phase modulation reduction method

#47
20120237211
2012-09-20

Optical receiving apparatus

#48
20120148266
2012-06-14

Digital coherent optical receiver, adaptive equalizer, and digital coherent optical communication method

#49
20120134685
2012-05-31

Loop filter

#50
20120121274
2012-05-17

Clock recovery for optical transmission systems

#51
20120106984
2012-05-03

Optical chips and devices for optical communications

#52
20120087680
2012-04-12

Method for carrier frequency recovery and optical intradyne coherent receiver

#53
20120082414
2012-04-05

Optical 90-degree hybrid circuit

#54
20120057863
2012-03-08

Frequency-dependent I/Q-signal imbalance correction coherent optical transceivers

#55
20120039606
2012-02-16

Low power optical transceiver using orthogonal polarization detection technique

#56
20110305464
2011-12-15

Apparatus for compensating optical signal impairments

#57
20110229137
2011-09-22

Tunable receiver

#58
20100209121
2010-08-19

Signal processing device and optical receiving device