ClassID:

175386

G02F1/2257 - page 3 - CPC Classification

Classification description:

Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  by interference in an optical waveguide structure the optical waveguides being made of semiconducting material

Recent Application in this class:
#601
20100111470
2010-05-06

LOW-LOSS LOW-CROSSTALK INTEGRATED DIGITAL OPTICAL SWITCH

#602
20100111466
2010-05-06

QAM optical modulators

#603
20100098373
2010-04-22

Optical XOR logic gate

#604
20100080504
2010-04-01

Method and apparatus for high speed silicon optical modulation using PN diode

#605
20100054653
2010-03-04

Salicide structures for heat-influenced semiconductor applications

#606
20090268762
2009-10-29

Optical intergrated device

#607
20090261383
2009-10-22

Optical device having strained buried channel

#608
20090214155
2009-08-27

Integrated optical modulator

#609
20090169148
2009-07-02

QAM optical modulators

#610
20090148094
2009-06-11

Distributed amplifier optical modulator

#611
20090103850
2009-04-23

Silicon-based optical modulator for analog applications

#612
20090034909
2009-02-05

Optical Isolator

#613
20090022446
2009-01-22

Optical modulation element and optical modulation device having the same

#614
20090003841
2009-01-01

Optical modulator

#615
20090003755
2009-01-01

Systems and methods for integrated optical circuitry for high data rate optical transmission and reception

#616
20080273236
2008-11-06

Optical Modulator

#617
20080219614
2008-09-11

Semiconductor optical modulator

#618
20080118202
2008-05-22

Semiconductor chip module

#619
20080094123
2008-04-24

Bias-control for optical Mach-Zehnder modulators with voltage-induced optical absorption

#620
20080013876
2008-01-17

Optical modulator

#621
20070297737
2007-12-27

Optical waveguide device and optical modulator

#622
20070297709
2007-12-27

SOI-based opto-electronic device including corrugated active region

#623
20070280576
2007-12-06

Distributed amplifier optical modulators

#624
20070242915
2007-10-18

Coplanar waveguide line

#625
20070237482
2007-10-11

Trapezoidal ridge waveguide oriented away from <110> direction

#626
20070230858
2007-10-04

Integratable optical isolator in a Mach-Zehnder interferometer configuration

#627
20070147724
2007-06-28

Optical functional device and fabrication process of the same

#628
20070081755
2007-04-12

Optical modulator

#629
20070065088
2007-03-22

Waveguide type variable optical attenuator

#630
20060257065
2006-11-16

Traveling-wave optoelectronic wavelength converter

#631
20060228084
2006-10-12

Resistive heater for thermo optic device

#632
20060222282
2006-10-05

Integratable optical isolator in a Mach-Zehnder interferometer configuration

#633
20060171013
2006-08-03

Silicon-based electro-optic phase modulator with reduced residual amplitude modulation

#634
20060159381
2006-07-20

Semiconductor optical modulator

#635
20060140528
2006-06-29

Traveling-wave optoelectronic wavelength converter

#636
20060126986
2006-06-15

Reduced loss ultra-fast semiconductor modulator and switch

#637
20060120655
2006-06-08

Optical modulator with pre-determined frequency chirp

#638
20060120653
2006-06-08

Phase shifting optical device with dopant barrier

#639
20060098911
2006-05-11

Resistive heater for thermo optic device

#640
20060088239
2006-04-27

Method for controlling an optoelectronic component

#641
20060067708
2006-03-30

Emitter follower driver for silicon optical modulator

#642
20060008223
2006-01-12

PN diode optical modulators fabricated in rib waveguides

#643
20050281525
2005-12-22

Phase shifting optical device with dopant barrier

#644
20050271327
2005-12-08

Optoelectronic component with curved waveguide with inwardly sloped sides

#645
20050271315
2005-12-08

High-speed electronic carrier-injection modulator based on high-index-contrast Si-waveguide

#646
20050254743
2005-11-17

Optical modulator, optical transmitter, optical modulating method and manufacturing method of the optical modulator

#647
20050225828
2005-10-13

Electro-optic modulators incorporating quantum dots

#648
20050208694
2005-09-22

Bonded thin-film structures for optical modulators and methods of manufacture

#649
20050157368
2005-07-21

Quantum dots engineerable optical modulator transfer characteristics

#650
20050123242
2005-06-09

Optical modulators operated in parallel push-pull mode

#651
20050111812
2005-05-26

Optic system for light attenuation

#652
20050069240
2005-03-31

Photonic integrated device

#653
20050047704
2005-03-03

Optical semiconductor device, light phase control device, light intensity control device, and method of producing optical semiconductor device

#654
20050036791
2005-02-17

Distributed amplifier optical modulators

#655
20050031263
2005-02-10

Resistive heater for thermo optic device

#656
20050025424
2005-02-03

Resistive heater for thermo optic device

#657
20050018941
2005-01-27

Traveling-wave optoelectronic wavelength converter

#658
17554209
2023-08-15

Methods for adjusting a modulator for optimal power

#659
17554202
2024-12-24

Multi-section mismatched modulator for optimal power

#660
17397630
2023-06-27

Silicon optical modulator, method for making the same

#661
17353081
2023-05-16

Photovoltaic optical modulators

#662
17092393
2022-03-29

Traveling wave modulator

#663
17081233
2022-01-18

Photonic integrated circuits for generating high-brightness squeezed light

#664
16655090
2020-12-01

Dual-slab-layer low-loss silicon optical modulator

#665
16590630
2020-11-10

Traveling wave modulator

#666
16449321
2026-01-06

Linear and low-power optical modulator driver

#667
16365543
2020-04-21

Active photonic devices incorporating high dielectric constant materials

#668
16181879
2019-11-05

Electro-optic modulator with vertically-arranged optical paths

#669
16133591
2019-08-27

Advanced optical modulation generation by combining orthogonal polarized optical signals via laser with dual output ports

#670
16040121
2019-01-15

Reduced-cross-talk coherent optical transmitter

#671
16024677
2019-12-03

Extinction ratio improvements in silicon photonics

#672
15987345
2019-03-26

Radio-frequency loss reduction in photonic circuits

#673
15909672
2018-08-14

Mach-zehnder modulator driver

#674
15867269
2019-06-04

High-efficiency self-resetting integrating optical transceiver

#675
15786995
2018-06-26

Radio-frequency loss reduction in photonic circuits

#676
15658871
2018-01-09

Substrate-type optical waveguide and substrate-type optical modulator

#677
15609655
2017-08-29

Method for forming a self-aligned mach-zehnder interferometer

#678
15491834
2017-12-12

Optical modulator with improved efficiency

#679
15488950
2018-04-10

Mach-Zehnder modulator driver

#680
15441611
2017-08-08

Optical integrated circuit

#681
15429793
2017-10-17

Integrated chip

#682
15357452
2017-11-07

Fast wavelength-tunable hybrid optical transmitter

#683
15299214
2017-10-31

Optical system with band gap tuning

#684
15261669
2017-07-04

Method for forming a self-aligned Mach-Zehnder interferometer

#685
15130156
2017-10-31

Radio-frequency loss reduction in photonic circuits

#686
14807664
2016-10-18

Electro-refraction modulator with a regrown junction

#687
14797027
2018-09-18

Advanced optical modulation generation by combining orthogonal polarized optical signals

#688
14640903
2017-04-25

Balanced Mach-Zehnder modulator

#689
14472193
2016-09-27

MZM linear driver for silicon photonics

#690
14282904
2016-05-03

Method and apparatus of highly linear optical modulation

#691
14260175
2017-04-04

Resonant optical device with a microheater