Patents-Review.com
ClassID:

215955 ⎘

H01S5/1218 - 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; Multiplicity of periods in superstructured configuration, e.g. more than one period in an alternate sequence

Recent Application in this class:
#1
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2022-07-21

ELECTRICALLY DRIVEN ORGANIC SEMICONDUCTOR LASER DIODE, AND METHOD FOR PRODUCING SAME

 #2
20220216674
2022-07-07

Tunable DBR semiconductor laser

 #3
20210313766
2021-10-07

Wavelength-selectable laser diode and optical communication apparatus including same

 #4
20210036482
2021-02-04

Thermally tunable laser and method for fabricating such laser

 #5
20200127439
2020-04-23

Optical semiconductor device and manufacturing method thereof

 #6
20200076155
2020-03-05

Reflector structure for tunable laser and tunable laser

 #7
20200076153
2020-03-05

Tunable laser with directional coupler

 #8
20190165544
2019-05-30

Semiconductor laser device

 #9
20190079237
2019-03-14

Digitized grating period

 #10
20180366904
2018-12-20

Robust, compact, field-able tunable integrated photonic device

 #11
20180261977
2018-09-13

ORBITAL ANGULAR MOMENTUM MICROLASER AND METHOD

 #12
20180183207
2018-06-28

Vernier effect DBR lasers incorporating integrated tuning elements

 #13
20180123318
2018-05-03

Tunable laser with directional coupler

 #14
20180076596
2018-03-15

Semiconductor laser device and manufacturing method of the same

 #15
20160268772
2016-09-15

Monolithic wide wavelength tunable mid-IR laser sources

 #16
20160254647
2016-09-01

Tunable laser with directional coupler

 #17
20150270685
2015-09-24

Monolithic wide wavelength tunable mid-IR laser sources

 #18
20150253501
2015-09-10

Directional semiconductor waveguide coupler

 #19
20140348193
2014-11-27

Semiconductor laser element and laser beam deflecting device

 #20
20140321493
2014-10-30

Optical semiconductor device and method for fabricating the optical semiconductor device

 #21
20140098833
2014-04-10

Hybrid vertical cavity laser for photonic integrated circuit

 #22
20140036948
2014-02-06

Optical semiconductor device and method of manufacturing the same

 #23
20130114635
2013-05-09

Heating elements for multi-wavelength DBR laser

 #24
20110229079
2011-09-22

Optical semiconductor device and method for fabricating the optical semiconductor device

 #25
20090074014
2009-03-19

MODE SELECTION FOR SINGLE FREQUENCY FIBER LASER

 #26
20080279244
2008-11-13

Single-mode distributed feedback semiconductor lasers

 #27
20060209911
2006-09-21

Tunable laser

 #28
20060039420
2006-02-23

Control for a tunable laser

 #29
20050053101
2005-03-10

Mode selection for single frequency fiber laser

 #30
20050041699
2005-02-24

Wavelength division multiplex optical wavelength converter

 #31
20050030990
2005-02-10

Stability factors for tuneable multi-section semiconductor lasers