ClassID:

173915

G02B6/12028 - CPC Classification

Classification description:

Light guides of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides characterised by means for reducing the temperature dependence based on a combination of materials having a different refractive index temperature dependence, i.e. the materials are used for transmitting light

Recent Application in this class:
#1
20260118579
2026-04-30

ARRAYED WAVEGUIDE GRATINGS WITH STABILIZED PERFORMANCE UNDER VARYING PARAMETERS

#2
20250093579
2025-03-20

ATHERMAL ARRAYED WAVEGUIDE GRATING

#3
20250012972
2025-01-09

OPTICAL DIELECTRIC WAVEGUIDE SUBASSEMBLY STRUCTURES

#4
20240377579
2024-11-14

SENSING CABLE AND SENSING SYSTEM

#5
20240103217
2024-03-28

Thermo-optic phase shifters

#6
20240061172
2024-02-22

ARRAYED WAVEGUIDE GRATINGS WITH STABILIZED PERFORMANCE UNDER VARYING PARAMETERS

#7
20230161102
2023-05-25

Sensing cable and sensing system

#8
20230135231
2023-05-04

Optical dielectric waveguide structure

#9
20230038028
2023-02-09

Optical dielectric waveguide subassembly structures

#10
20220291448
2022-09-15

Athermal arrayed waveguide grating

#11
20220137295
2022-05-05

Thermally compensated slot waveguide

#12
20220099890
2022-03-31

Integrated optical multiplexer / demultiplexer with thermal compensation

#13
20210255386
2021-08-19

Optical dielectric waveguide structure

#14
20210255385
2021-08-19

Waveguide photodetector

#15
20210231870
2021-07-29

MANUFACTURING A GRADED INDEX PROFILE FOR WAVEGUIDE DISPLAY APPLICATIONS

#16
20210215881
2021-07-15

Athermalized multi-path interference filter

#17
20210215876
2021-07-15

Methods for optical dielectric waveguide structures

#18
20210132294
2021-05-06

ATHERMALIZED MULTI-PATH INTERFERENCE FILTER

#19
20210080649
2021-03-18

Methods for optical dielectric waveguide structure

#20
20210055479
2021-02-25

ATHERMALIZED MULTI-PATH INTERFERENCE FILTER

#21
20200386943
2020-12-10

Waveguide type optical interferometer circuit

#22
20200371291
2020-11-26

ATHERMALIZED MULTI-PATH INTERFERENCE FILTER

#23
20200326525
2020-10-15

Imaging system

#24
20200284985
2020-09-10

ATHERMALIZED MULTI-PATH INTERFERENCE FILTER

#25
20200278495
2020-09-03

Optical dielectric waveguide subassembly structures

#26
20200264370
2020-08-20

Athermal silicon optical add-drop multiplexers based on thermo-optic coefficient tuning of sol-gel material

#27
20200225414
2020-07-16

Optical dielectric waveguide structure

#28
20200209481
2020-07-02

ATHERMALIZED MULTI-PATH INTERFERENCE FILTER

#29
20190346622
2019-11-14

Arrayed waveguide grating with free propagation region matching

#30
20190331853
2019-10-31

T-shaped arrayed waveguide grating

#31
20190243078
2019-08-08

Optical dielectric waveguide subassembly structures

#32
20190227234
2019-07-25

Methods for optical dielectric waveguide structures

#33
20190227232
2019-07-25

Methods for optical dielectric waveguide subassembly structure

#34
20190227231
2019-07-25

Optical dielectric waveguide structures

#35
20190072718
2019-03-07

Manufacturing a graded index profile for waveguide display applications

#36
20190064436
2019-02-28

Polymer modulator and laser integrated on a common platform and method

#37
20180224603
2018-08-09

T-shaped arrayed waveguide grating

#38
20180167146
2018-06-14

Temperature insensitive delay line interferometer

#39
20130064494
2013-03-14

ENCAPSULATION OF A TEMPERATURE COMPENSATIONING STRUCTURE WITHIN AN OPTICAL CIRCUIT PACKAGE ENCLOSURE

#40
20120134623
2012-05-31

Ridge waveguide serial interferometers

#41
20120051689
2012-03-01

Optical wavelength filter with wavelength characteristic variation minimized

#42
20110249936
2011-10-13

Transmitter photonic integrated circuit (TxPIC) chip

#43
20110229080
2011-09-22

Optical device with athermal slots for temperature dependence curvature reduction

#44
20110116802
2011-05-19

Optical wavelength multiplexing/ de-multiplexing circuit

#45
20110110624
2011-05-12

Arrayed waveguide grating

#46
20100165352
2010-07-01

ADIABATIC TAPERED COMPOSITE WAVEGUIDE FOR ATHERMALIZATION

#47
20100142962
2010-06-10

Multiwavelength transmitter

#48
20100119189
2010-05-13

Optical delay line interferometer

#49
20090279828
2009-11-12

Wavelength locking and power control systems for multi-channel photonic integrated circuits (PICs)

#50
20090202196
2009-08-13

Method of tuning optical components integrated in a monolithic photonic integrated circuit (PIC)

#51
20080298738
2008-12-04

Waveguide type wavelength domain optical switch

#52
20080226232
2008-09-18

Optical device with reduced temperature dependence

#53
20080131054
2008-06-05

Optical filter module and method of manufacturing the same

#54
20080069498
2008-03-20

Tapered composite waveguide for athermalization

#55
20080063407
2008-03-13

Digital optical network architecture

#56
20080037936
2008-02-14

Silicon arrayed waveguide grating device for reducing effective refractive index variation of optical waveguide according to temperature

#57
20070248299
2007-10-25

Monolithic transmitter photonic integrated circuit (TxPIC) semiconductor chip

#58
20070242919
2007-10-18

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

#59
20070242918
2007-10-18

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

#60
20070183738
2007-08-09

Monolithic photonic integrated circuit (PIC) with forward error correction (FEC)

#61
20070172169
2007-07-26

Method of tuning optical components integrated in a monolithic photonic integrated circuit (PIC)

#62
20070122148
2007-05-31

Method of monitoring and controlling the bit error rate (BER) in an optical communication network

#63
20070092177
2007-04-26

Wavelength locking and power control systems for multi-channel photonic integrated circuits (PICS)

#64
20070019901
2007-01-25

Method tuning optical components integrated in a monolithic photonic integrated circuit (PIC)

#65
20070014509
2007-01-18

Optical transmitter

#66
20060198579
2006-09-07

Optical device with reduced temperature dependence

#67
20060188193
2006-08-24

Optical interferometer device

#68
20060182441
2006-08-17

Method and apparatus of monitoring and controlling the emission wavelengths of a plurality of laser sources integrated on the same chip or in the same photonic integrated circuit (PIC)

#69
20060067619
2006-03-30

Optical transport network

#70
20060062519
2006-03-23

Monolithic photonic integrated circuit (PIC) CHIP

#71
20060023992
2006-02-02

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

#72
20050286909
2005-12-29

Optical transmitter

#73
20050276613
2005-12-15

FEC enhanced system for an optical communication network

#74
20050213883
2005-09-29

Method of optimizing optical channel signal demultiplexing in a monolithic receiver photonic integrated circuit (RxPIC)

#75
20050207696
2005-09-22

Compact, cost-effective optical-electrical-optical (OEO) converter for an optical transmission network

#76
20050201669
2005-09-15

Optical transport network

#77
20050135778
2005-06-23

Method of providing wider window margin in an eye diagram of a received signal in a transmission system

#78
20050135731
2005-06-23

Optical receiver photonic integrated circuit (RxPIC) system

#79
20050135730
2005-06-23

Method of monitoring and controlling the bit error rate (BER) in an optical communication network

#80
20050135729
2005-06-23

Optical transmission network with a receiver photonic integrated circuit (RxPIC) utilizing an optical service chanel (OSC)

#81
20050129350
2005-06-16

Optical transmission network with transmitter photonic integrated circuit (TxPIC) utilizing an optical service channel (OSC)

#82
20050100345
2005-05-12

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

#83
20050094927
2005-05-05

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

#84
20050094926
2005-05-05

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

#85
20050094925
2005-05-05

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

#86
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

#87
20050063636
2005-03-24

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

#88
20050063631
2005-03-24

Temperature tuned arrayed waveguide grating

#89
20050025409
2005-02-03

Submount for a photonic integrated circuit (PIC) chip

#90
20050018721
2005-01-27

Method of operating an array of laser sources integrated in a monolithic chip or in a photonic integrated circuit (PIC)

#91
20050018720
2005-01-27

Apparatus and method for tuning a laser source emission wavelength employing a laser source contact comprising electrode segments

#92
20050014300
2005-01-20

Optical probe and method of testing employing an interrogation beam or optical pickup

#93
20050013332
2005-01-20

Method and apparatus of monitoring and controlling the emission wavelengths of a plurality of laser sources integrated on the same chip or in the same photonic integrated circuit (PIC)

#94
20050013331
2005-01-20

Method of tuning integrated laser sources with integrated wavelength tuning elements on the same substrate or in a monolithic photonic integrated circuit (PIC)

#95
20050013330
2005-01-20

Method of tuning optical components integrated on a monolithic chip