ClassID:

224558

H04J14/0265 - CPC Classification

Classification description:

Optical multiplex systems; Wavelength-division multiplex systems; Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation; Optical medium access at the optical multiplex section layer Multiplex arrangements in bidirectional systems, e.g. interleaved allocation of wavelengths or allocation of wavelength groups

Recent Application in this class:
#1
20240319446
2024-09-26

BIDIRECTIONAL FILTER

#2
20240259096
2024-08-01

Optimization of spectrum sharing in optical line systems

#3
20230106876
2023-04-06

Bidirectional filter

#4
20190327014
2019-10-24

Bidirectional communication module

#5
20190312661
2019-10-10

Optical transceiver and control method

#6
20190305852
2019-10-03

Transmission apparatus and transmission method

#7
20190229831
2019-07-25

System and method for photonic distribution of microwave frequency electrical signal for distributed microwave MIMO communications

#8
20190229829
2019-07-25

Electromagnetic signal transport and distribution systems

#9
20190109667
2019-04-11

Low cost intensity-modulated direct-detection (IMDD) optical transmitter and receiver

#10
20190036302
2019-01-31

Common cathode laser driving circuit

#11
20190020437
2019-01-17

Method and apparatus for enabling a single fiber-working on an optical fiber

#12
20180227071
2018-08-09

Tunable optical channel slicing and stitching to enable dynamic bandwidth allocation

#13
20170346592
2017-11-30

Dense wavelength-division multiplexing (DWDM) network and method

#14
20170317778
2017-11-02

TWDM Passive Network with Extended Reach and Capacity

#15
20170279554
2017-09-28

Bidirectional communication module

#16
20170272196
2017-09-21

Electromagnetic signal transport and distribution systems

#17
20170134113
2017-05-11

TWDM passive network with extended reach and capacity

#18
20160352428
2016-12-01

Flexible TWDM PON with load balancing and power saving

#19
20160191191
2016-06-30

Reduction of wavelength selective switch (WSS) filter-based impairment using selective subcarrier adjustment

#20
20160191190
2016-06-30

Reduction of wavelength selective switch (WSS) filter-based impairment using differentiated channel baud rates

#21
20160112119
2016-04-21

Network unit and method for monitoring a fiber line

#22
20160087717
2016-03-24

Optical networks

#23
20160036552
2016-02-04

Reversible wavelength channels for optical communication networks

#24
20160036551
2016-02-04

Increasing the capacity of a WDM-PON with wavelength reuse

#25
20160036531
2016-02-04

Wavelength-reuse fiber-optic transmitters

#26
20150131999
2015-05-14

Transceiver for use in fibre network

#27
20150071650
2015-03-12

Bi-directional optical transceiver module

#28
20150010302
2015-01-08

Multiple wavelength optical assemblies for inline measurement of optical power and fiber optic networks

#29
20140341574
2014-11-20

Reconfigurable optical access network architectures

#30
20140099117
2014-04-10

40, 50 and 100 Gb/s optical transceivers/transponders in 300pin and CFP MSA modules

#31
20140098828
2014-04-10

Wavelength-tunable light source and wavelength variation method

#32
20140072305
2014-03-13

METHOD AND SYSTEM FOR BI-DIRECTIONAL COMMUNICATION OVER A SINGLE OPTICAL FIBER

#33
20140029943
2014-01-30

COPLANAR ROUTING FOR OPTICAL TRANSMISSION

#34
20130279900
2013-10-24

PASSIVE OPTICAL NETWORK SYSTEM, METHOD FOR TRANSMITTING AND RECEIVING OPTICAL SIGNAL THEREOF, AND OPTICAL LINE TERMINAL

#35
20130230327
2013-09-05

Optical communication module

#36
20130223841
2013-08-29

TIME/WAVELENGTH-DIVISION MULTIPLEXED PASSIVE OPTICAL NETWORK (TWPON)

#37
20130209105
2013-08-15

Wavelength-shifted bidirectional wavelength division multiplexing optical network

#38
20130209102
2013-08-15

Bidirectional optical data packet switching interconection network

#39
20130209094
2013-08-15

Optical line terminal for bidirectional wavelength-division-multiplexing optical network

#40
20130170836
2013-07-04

OPTICAL TRANSCEIVER AND WAVELENGTH INITIALIZATION METHOD USING OPTICAL TRANSCEIVER

#41
20130129355
2013-05-23

Optical wavelength division node

#42
20130039656
2013-02-14

Migratable wavelength division multiplexing passive optical network

#43
20130028598
2013-01-31

Optical networks

#44
20120269515
2012-10-25

1 Tb/s converged optical metro-access transmission based on wavelength division multiplexed orthogonal frequency division multiple access passive optical network (WDM-OFDMA-PON)

#45
20120251122
2012-10-04

Method of operating an optical network element and optical network element

#46
20120251108
2012-10-04

Optical communications networks, optical line terminations and related methods

#47
20120230693
2012-09-13

SIGNAL PROCESSING METHOD, DEVICE, AND SYSTEM IN A PASSIVE OPTICAL NETWORK

#48
20120224850
2012-09-06

Optical networks

#49
20120163807
2012-06-28

REPRESENTATION OF THE PHYSICAL DEGRADATIONS IN AN OPTICAL COMMUNICATION NETWORK

#50
20120163802
2012-06-28

WDM-TDM PON remote terminal and WDM-TDM PON link protection system

#51
20120093518
2012-04-19

SINGLE PACKAGE BIDIRECTIONAL MODULE FOR MULTIMODE FIBER COMMUNICATION

#52
20120093515
2012-04-19

Method, apparatus, and system for a self-seeded external cavity laser for dense wavelength division multiplexing applications

#53
20120093514
2012-04-19

BI-DIRECTIONAL CWDM (OR DWDM) TRANSMISSION SYSTEM USING SINGLE WAVELENGTH BI-DIRECTIONAL TRANSCEIVERS

#54
20120057883
2012-03-08

Method for data processing in an optical network component and optical network component

#55
20120057875
2012-03-08

Wavelength division multiplexed passive optical network

#56
20120057874
2012-03-08

Wavelength division multiplexed passive optical network

#57
20120033970
2012-02-09

Path computation element method to support routing and wavelength assignment in wavelength switched optical networks

#58
20120020666
2012-01-26

Wavelength assignment for multiple operator support

#59
20110249936
2011-10-13

Transmitter photonic integrated circuit (TxPIC) chip

#60
20110243552
2011-10-06

Optical autodiscovery for automated logical and physical connectivity check between optical modules

#61
20110236013
2011-09-29

Use of subcarrier deactivation in a multi-subcarrier channel to improve reach in an optical network

#62
20110200333
2011-08-18

Method and apparatus for bidirectional optical link using a single optical carrier and colorless demodulation and detection of optical frequency shift keyed data

#63
20110200329
2011-08-18

Method and system for bi-directional communication over a single optical fiber

#64
20110064410
2011-03-17

Color free WDM PON based on broadband optical transmitters

#65
20110033185
2011-02-10

Time and wavelength-shifted dynamic bidirectional system

#66
20100329669
2010-12-30

High-speed optical transceiver, a bi-directional duplex optical fiber link, and a method for providing a bi-directional duplex optical fiber link

#67
20100322632
2010-12-23

40, 50 and 100 Gb/s optical transceivers/transponders in 300pin and CFP MSA modules

#68
20100239253
2010-09-23

Passive optical network system supporting wireless communication

#69
20100142955
2010-06-10

Optical line terminal, passive optical network and radio frequency signal transmission method

#70
20100129077
2010-05-27

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

#71
20100046950
2010-02-25

SEEDING WDM PON SYSTEM BASED ON QUANTUM DOT MULTI-WAVELENGTH LASER SOURCE

#72
20100046946
2010-02-25

WDM PON RF overlay architecture based on quantum dot multi-wavelength laser source

#73
20090110395
2009-04-30

Path computation element method to support routing and wavelength assignment in wavelength switched optical networks

#74
20080063407
2008-03-13

Digital optical network architecture

#75
20070248299
2007-10-25

Monolithic transmitter photonic integrated circuit (TxPIC) semiconductor chip

#76
20070242919
2007-10-18

Monolithic transmitter photonic integrated circuit (TxPIC) with integrated optical components in circuit signal channels

#77
20070242918
2007-10-18

Transmitter photonic integrated circuits (TXPICS) with directly modulated lasers and wavelength selective combiners

#78
20070092197
2007-04-26

Optical autodiscovery for automated logical and physical connectivity check between optical modules

#79
20070077068
2007-04-05

Time and wavelength-shifted dynamic bidirectional system

#80
20060023992
2006-02-02

Method of in-wafer testing of monolithic photonic integrated circuits (PICs) formed in a semiconductor wafer

#81
20050100345
2005-05-12

Monolithic transmitter/receiver photonic integrated circuit (Tx/RxPIC) transceiver chip

#82
20050094927
2005-05-05

Probe card for testing in-wafer photonic integrated circuits (PICs) and method of use

#83
20050094926
2005-05-05

Method of calibrating a monolithic transmitter photonic integrated circuit (TXPIC) chip

#84
20050094925
2005-05-05

Method of in-wafer testing of monolithic photonic integrated circuits (PICs) formed in a semiconductor wafer

#85
20050084202
2005-04-21

Monitoring of a laser source with front and rear output photodetectors to determine frontal laser power and power changes over laser lifetime

#86
20050063636
2005-03-24

Method and apparatus for providing an antireflection coating on the output facet of a photonic integrated circuit (PIC) chip

#87
20050025409
2005-02-03

Submount for a photonic integrated circuit (PIC) chip