ClassID:

216121

H01S5/32333 - CPC Classification

Classification description:

Semiconductor lasers; Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures in AB compounds, e.g. AlGaAs-laser, InP-based laser emitting light at a wavelength less than 900 nm based on InGaAsP

Recent Application in this class:
#1
20240388065
2024-11-21

OPTICAL SEMICONDUCTOR DEVICE, OPTICAL INTEGRATED DEVICE, AND MANUFACTURING METHOD FOR OPTICAL SEMICONDUCTOR DEVICE

#2
20230011972
2023-01-12

CONFINING FEATURES FOR MODE SHAPING OF LASERS AND COUPLING WITH SILICON PHOTONIC COMPONENTS

#3
20220247148
2022-08-04

Confining features for mode shaping of lasers and coupling with silicon photonic components

#4
20210044089
2021-02-11

Semiconductor optical element and semiconductor optical device comprising the same

#5
20180159295
2018-06-07

Unidirectionally emitting microdisk having ultra-high quality factor and laser using the same

#6
20180083422
2018-03-22

Low power edge-emitting laser diode and laser diode module

#7
20160204577
2016-07-14

Laser, passive optical network system, apparatus and wavelength control method

#8
20150349487
2015-12-03

Method for producing semiconductor laser elements and semi-conductor laser element

#9
20120070156
2012-03-22

Semiconductor optical amplifier

#10
20100322557
2010-12-23

Optical device and method for manufacturing the same

#11
20090154517
2009-06-18

Hybrid laser diode for single mode operation and method of fabricating the same

#12
20090116523
2009-05-07

Hybrid laser diode

#13
20090080484
2009-03-26

Semiconductor laser apparatus

#14
20080234560
2008-09-25

Optical measurement instrument for living body semiconductor laser installation for living body light measuring device

#15
20060203867
2006-09-14

Laser diode chip, laser diode, and method for manufacturing laser diode chip

#16
20060140569
2006-06-29

Planar waveguides with air thin films used as anti-reflective layers, beam splitters and mirrors

#17
20060140228
2006-06-29

Semi-integrated designs with in-waveguide mirrors for external cavity tunable lasers

#18
20060120414
2006-06-08

Light-emitting device having resonator and light source unit including the light-emitting device

#19
20050259708
2005-11-24

Photonic integrated device using reverse-mesa structure and method for fabricating the same

#20
20050185881
2005-08-25

Semiconductor optical device integrated with a photo detector

#21
15246744
2017-05-09

Method of manufacturing optical semiconductor device