ClassID:

215951

H01S5/1206 - CPC Classification

Classification description:

Semiconductor lasers; Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers having a non constant or multiplicity of periods

Sub-classes:
Recent Application in this class:
#1
20260005491
2026-01-01

LASER DEVICE AND MANUFACTURING METHOD

#2
20250392100
2025-12-25

SEMICONDUCTOR LASER

#3
20250192518
2025-06-12

SEMICONDUCTOR LASER

#4
20240332897
2024-10-03

SEMICONDUCTOR LASER

#5
20230411929
2023-12-21

NARROW LINEWIDTH SEMICONDUCTOR LASER

#6
20230198230
2023-06-22

Current-injection organic semiconductor laser diode, method for producing same and program

#7
20220221715
2022-07-14

Synthesized aperiodic gratings and method of manufacture

#8
20220037860
2022-02-03

Current-injection organic semiconductor laser diode, method for producing same and program

#9
20210033955
2021-02-04

Light emitting device and projector

#10
20200303890
2020-09-24

Laser device

#11
20200119519
2020-04-16

Light emitter device based on a photonic crystal with pillar- or wall-shaped semiconductor elements, and methods for the operation and production thereof

#12
20200028331
2020-01-23

Current-injection organic semiconductor laser diode, meihod for producing same and program

#13
20190319426
2019-10-17

Distributed feedback laser based on surface grating

#14
20190165544
2019-05-30

Semiconductor laser device

#15
20180183207
2018-06-28

Vernier effect DBR lasers incorporating integrated tuning elements

#16
20180123317
2018-05-03

Method, system and apparatus for higher order mode suppression

#17
20180076596
2018-03-15

Semiconductor laser device and manufacturing method of the same

#18
20170310083
2017-10-26

Tunable laser and method for tuning a lasing mode

#19
20170141541
2017-05-18

Laser device and process for fabricating such a laser device

#20
20160380407
2016-12-29

Asymmetric optical waveguide grating resonators and DBR lasers

#21
20160064897
2016-03-03

Semiconductor laser

#22
20150311674
2015-10-29

Semiconductor laser device and manufacturing method of the same

#23
20140098833
2014-04-10

Hybrid vertical cavity laser for photonic integrated circuit

#24
20110299561
2011-12-08

Semiconductor laser silicon waveguide substrate, and integrated device

#25
20110243175
2011-10-06

Segmented distributed feedback laser

#26
20110134955
2011-06-09

Semiconductor laser diode device and method of fabrication thereof

#27
20100265980
2010-10-21

Semiconductor laser

#28
20100265979
2010-10-21

Horizontal emitting, vertical emitting, beam shaped, distributed feedback (DFB) lasers fabricated by growth over a patterned substrate with multiple overgrowth

#29
20090225796
2009-09-10

Diffraction grating device, laser diode, and wavelength tunable filter

#30
20090010298
2009-01-08

Two-dimensional photonic crystal surface-emitting laser

#31
20070125995
2007-06-07

Horizontal emitting, vertical emitting, beam shaped, distributed feedback (DFB) lasers fabricated by growth over a patterned substrate with multiple overgrowth

#32
20060056472
2006-03-16

Quantum nano-structure semiconductor laser

#33
20060039420
2006-02-23

Control for a tunable laser

#34
20050180479
2005-08-18

Current biased dual DBR grating semiconductor laser

#35
20050040416
2005-02-24

Gain-clamped semiconductor optical amplifier having horizontal lasing structure and manufacturing method thereof

#36
15896968
2019-01-22

Laser with pre-distorted grating