CN103956652A - 集成调制器的低成本可调谐dfb半导体激光器及制备方法 - Google Patents
集成调制器的低成本可调谐dfb半导体激光器及制备方法 Download PDFInfo
- Publication number
- CN103956652A CN103956652A CN201410173909.7A CN201410173909A CN103956652A CN 103956652 A CN103956652 A CN 103956652A CN 201410173909 A CN201410173909 A CN 201410173909A CN 103956652 A CN103956652 A CN 103956652A
- Authority
- CN
- China
- Prior art keywords
- modulator
- integrated
- technology
- tunable
- semiconductor laser
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/062—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
- H01S5/0625—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in multi-section lasers
- H01S5/06255—Controlling the frequency of the radiation
- H01S5/06258—Controlling the frequency of the radiation with DFB-structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/026—Monolithically integrated components, e.g. waveguides, monitoring photo-detectors, drivers
- H01S5/0265—Intensity modulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—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
- H01S5/12—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
- H01S5/1206—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
- H01S5/1215—Multiplicity of periods
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
- H01S5/4031—Edge-emitting structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
- H01S5/4087—Array arrangements, e.g. constituted by discrete laser diodes or laser bar emitting more than one wavelength
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/50—Amplifier structures not provided for in groups H01S5/02 - H01S5/30
- H01S5/5027—Concatenated amplifiers, i.e. amplifiers in series or cascaded
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/028—Coatings ; Treatment of the laser facets, e.g. etching, passivation layers or reflecting layers
- H01S5/0287—Facet reflectivity
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/0607—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying physical parameters other than the potential of the electrodes, e.g. by an electric or magnetic field, mechanical deformation, pressure, light, temperature
- H01S5/0612—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying physical parameters other than the potential of the electrodes, e.g. by an electric or magnetic field, mechanical deformation, pressure, light, temperature controlled by temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—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
- H01S5/12—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
- H01S5/1206—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
- H01S5/1209—Sampled grating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—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
- H01S5/12—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
- H01S5/124—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 incorporating phase shifts
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Semiconductor Lasers (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410173909.7A CN103956652B (zh) | 2014-04-25 | 2014-04-25 | 集成调制器的低成本可调谐dfb半导体激光器及制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410173909.7A CN103956652B (zh) | 2014-04-25 | 2014-04-25 | 集成调制器的低成本可调谐dfb半导体激光器及制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103956652A true CN103956652A (zh) | 2014-07-30 |
CN103956652B CN103956652B (zh) | 2018-08-31 |
Family
ID=51333900
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410173909.7A Active CN103956652B (zh) | 2014-04-25 | 2014-04-25 | 集成调制器的低成本可调谐dfb半导体激光器及制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN103956652B (zh) |
Cited By (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015067099A1 (zh) * | 2013-11-08 | 2015-05-14 | 南京大学科技园发展有限公司 | 基于重构-等效啁啾以及串联或与并联混合集成的可调谐半导体激光器及制备 |
CN104779520A (zh) * | 2015-03-25 | 2015-07-15 | 南京大学 | 基于重构—等效啁啾的快速可调谐半导体激光器及制备方法 |
CN105024280A (zh) * | 2015-08-10 | 2015-11-04 | 穆林冉 | 一种波长可调谐激光器 |
CN105281200A (zh) * | 2015-10-09 | 2016-01-27 | 南京大学(苏州)高新技术研究院 | 基于rec技术的集成高速数字调制wdm-pon光模块 |
CN105356296A (zh) * | 2015-11-27 | 2016-02-24 | 武汉电信器件有限公司 | 一种新型半导体激光器制作方法和结构 |
CN105409070A (zh) * | 2013-01-02 | 2016-03-16 | Oe解决方案美国股份有限公司 | 具有集成的马赫-曾德尔调制器的可调节u激光器发射器 |
CN105846312A (zh) * | 2015-01-12 | 2016-08-10 | 南京大学(苏州)高新技术研究院 | 一种单片集成两段式dfb半导体激光器及阵列 |
WO2017050217A1 (en) * | 2015-09-21 | 2017-03-30 | Huawei Technologies Co., Ltd. | Semiconductor optical apparatus |
CN106785829A (zh) * | 2017-01-10 | 2017-05-31 | 中国科学院长春光学精密机械与物理研究所 | 一种分布反馈激光器及其制作方法、分布反馈激光器阵列 |
CN107210584A (zh) * | 2014-11-24 | 2017-09-26 | 祥茂光电科技股份有限公司 | 具有包括采样光栅的多个序列式区段的可调谐激光器 |
CN107706741A (zh) * | 2017-10-13 | 2018-02-16 | 中国科学院长春光学精密机械与物理研究所 | 一种增益耦合分布反馈激光器串联线阵结构 |
CN108011671A (zh) * | 2016-10-27 | 2018-05-08 | 住友电工光电子器件创新株式会社 | 控制包括半导体光放大器的半导体光学装置的方法 |
CN109412013A (zh) * | 2018-11-09 | 2019-03-01 | 武汉联特科技有限公司 | 一种波长可调谐光模块、远程波长切换方法及锁定方法 |
CN109560464A (zh) * | 2017-09-26 | 2019-04-02 | 北京万集科技股份有限公司 | 一种1xN型单片集成式半导体主振荡放大器 |
CN109687284A (zh) * | 2019-01-08 | 2019-04-26 | 武汉电信器件有限公司 | 一种激光器芯片及其制作方法 |
JP2019192918A (ja) * | 2019-05-27 | 2019-10-31 | 三菱電機株式会社 | 半導体光集積素子 |
CN110718854A (zh) * | 2019-09-29 | 2020-01-21 | 武汉云岭光电有限公司 | 一种波长可调谐半导体激光器 |
CN110941048A (zh) * | 2019-12-24 | 2020-03-31 | 中国科学院半导体研究所 | 基于多模干涉原理的高消光比粗波分复用/解复用器 |
CN111989832A (zh) * | 2018-04-23 | 2020-11-24 | 三菱电机株式会社 | 半导体光集成元件 |
CN112993753A (zh) * | 2021-02-07 | 2021-06-18 | 桂林雷光科技有限公司 | 一种单片集成波导装置及其集成半导体芯片 |
CN114221213A (zh) * | 2021-12-21 | 2022-03-22 | 南京华飞光电科技有限公司 | 一种集成电吸收调制器的无制冷可调谐光发射组件 |
US11374380B2 (en) * | 2017-12-15 | 2022-06-28 | Horiba, Ltd. | Semiconductor laser |
CN116235100A (zh) * | 2020-08-13 | 2023-06-06 | 华为技术有限公司 | 高速调制激光器 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115336123A (zh) * | 2020-04-14 | 2022-11-11 | 华为技术有限公司 | 电吸收调制激光器 |
EP4033618A1 (en) * | 2021-01-22 | 2022-07-27 | Nokia Solutions and Networks Oy | Mach zehnder-modulated lasers |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7313157B2 (en) * | 2003-12-19 | 2007-12-25 | Novera Optics, Inc. | Integration of laser sources and detectors for a passive optical network |
CN100444482C (zh) * | 2006-03-09 | 2008-12-17 | 南京大学 | 基于重构-等效啁啾技术制备半导体激光器的方法及装置 |
CN100583579C (zh) * | 2008-10-06 | 2010-01-20 | 南京大学 | 单片集成半导体激光器阵列的制造方法及装置 |
-
2014
- 2014-04-25 CN CN201410173909.7A patent/CN103956652B/zh active Active
Cited By (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105409070A (zh) * | 2013-01-02 | 2016-03-16 | Oe解决方案美国股份有限公司 | 具有集成的马赫-曾德尔调制器的可调节u激光器发射器 |
WO2015067099A1 (zh) * | 2013-11-08 | 2015-05-14 | 南京大学科技园发展有限公司 | 基于重构-等效啁啾以及串联或与并联混合集成的可调谐半导体激光器及制备 |
US9742152B2 (en) | 2013-11-08 | 2017-08-22 | Nanjing University | Tunable semiconductor laser based on reconstruction-equivalent chirp and series mode or series and parallel hybrid integration, and preparation thereof |
EP3224919A4 (en) * | 2014-11-24 | 2018-08-08 | Applied Optoelectronics, Inc. | Tunable laser with multiple in-line sections including sampled gratings |
CN107210584A (zh) * | 2014-11-24 | 2017-09-26 | 祥茂光电科技股份有限公司 | 具有包括采样光栅的多个序列式区段的可调谐激光器 |
CN105846312A (zh) * | 2015-01-12 | 2016-08-10 | 南京大学(苏州)高新技术研究院 | 一种单片集成两段式dfb半导体激光器及阵列 |
CN104779520A (zh) * | 2015-03-25 | 2015-07-15 | 南京大学 | 基于重构—等效啁啾的快速可调谐半导体激光器及制备方法 |
CN105024280A (zh) * | 2015-08-10 | 2015-11-04 | 穆林冉 | 一种波长可调谐激光器 |
WO2017050217A1 (en) * | 2015-09-21 | 2017-03-30 | Huawei Technologies Co., Ltd. | Semiconductor optical apparatus |
US10302861B2 (en) | 2015-09-21 | 2019-05-28 | Huawei Technologies Co., Ltd. | Semiconductor optical apparatus |
CN105281200A (zh) * | 2015-10-09 | 2016-01-27 | 南京大学(苏州)高新技术研究院 | 基于rec技术的集成高速数字调制wdm-pon光模块 |
CN105356296B (zh) * | 2015-11-27 | 2018-07-10 | 武汉电信器件有限公司 | 一种半导体激光器制作方法和结构 |
CN105356296A (zh) * | 2015-11-27 | 2016-02-24 | 武汉电信器件有限公司 | 一种新型半导体激光器制作方法和结构 |
CN108011671A (zh) * | 2016-10-27 | 2018-05-08 | 住友电工光电子器件创新株式会社 | 控制包括半导体光放大器的半导体光学装置的方法 |
CN108011671B (zh) * | 2016-10-27 | 2022-09-23 | 住友电工光电子器件创新株式会社 | 控制包括半导体光放大器的半导体光学装置的方法 |
CN106785829A (zh) * | 2017-01-10 | 2017-05-31 | 中国科学院长春光学精密机械与物理研究所 | 一种分布反馈激光器及其制作方法、分布反馈激光器阵列 |
CN109560464A (zh) * | 2017-09-26 | 2019-04-02 | 北京万集科技股份有限公司 | 一种1xN型单片集成式半导体主振荡放大器 |
CN107706741A (zh) * | 2017-10-13 | 2018-02-16 | 中国科学院长春光学精密机械与物理研究所 | 一种增益耦合分布反馈激光器串联线阵结构 |
US11374380B2 (en) * | 2017-12-15 | 2022-06-28 | Horiba, Ltd. | Semiconductor laser |
CN111989832A (zh) * | 2018-04-23 | 2020-11-24 | 三菱电机株式会社 | 半导体光集成元件 |
CN109412013A (zh) * | 2018-11-09 | 2019-03-01 | 武汉联特科技有限公司 | 一种波长可调谐光模块、远程波长切换方法及锁定方法 |
CN109412013B (zh) * | 2018-11-09 | 2023-08-08 | 武汉联特科技股份有限公司 | 一种波长可调谐光模块、远程波长切换方法及锁定方法 |
CN109687284A (zh) * | 2019-01-08 | 2019-04-26 | 武汉电信器件有限公司 | 一种激光器芯片及其制作方法 |
JP2019192918A (ja) * | 2019-05-27 | 2019-10-31 | 三菱電機株式会社 | 半導体光集積素子 |
CN110718854A (zh) * | 2019-09-29 | 2020-01-21 | 武汉云岭光电有限公司 | 一种波长可调谐半导体激光器 |
CN110941048B (zh) * | 2019-12-24 | 2020-12-15 | 中国科学院半导体研究所 | 基于多模干涉原理的高消光比粗波分复用/解复用器 |
CN110941048A (zh) * | 2019-12-24 | 2020-03-31 | 中国科学院半导体研究所 | 基于多模干涉原理的高消光比粗波分复用/解复用器 |
CN116235100A (zh) * | 2020-08-13 | 2023-06-06 | 华为技术有限公司 | 高速调制激光器 |
CN112993753A (zh) * | 2021-02-07 | 2021-06-18 | 桂林雷光科技有限公司 | 一种单片集成波导装置及其集成半导体芯片 |
WO2022165901A1 (zh) * | 2021-02-07 | 2022-08-11 | 桂林雷光科技有限公司 | 一种单片集成波导装置及其集成半导体芯片 |
CN114221213A (zh) * | 2021-12-21 | 2022-03-22 | 南京华飞光电科技有限公司 | 一种集成电吸收调制器的无制冷可调谐光发射组件 |
CN114221213B (zh) * | 2021-12-21 | 2024-01-12 | 南京华飞光电科技有限公司 | 一种集成电吸收调制器的无制冷可调谐光发射组件 |
Also Published As
Publication number | Publication date |
---|---|
CN103956652B (zh) | 2018-08-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103956652A (zh) | 集成调制器的低成本可调谐dfb半导体激光器及制备方法 | |
CN103311807B (zh) | 多波长激光器阵列芯片的制作方法 | |
Jiao et al. | InP membrane integrated photonics research | |
Barton et al. | A widely tunable high-speed transmitter using an integrated SGDBR laser-semiconductor optical amplifier and Mach-Zehnder modulator | |
US7342950B1 (en) | Tunable laser source with integrated optical modulator | |
CN100583579C (zh) | 单片集成半导体激光器阵列的制造方法及装置 | |
CN104124611A (zh) | 基于重构-等效啁啾的单片集成注入锁定dfb激光器及阵列及其制造方法 | |
WO2012003346A1 (en) | Loss modulated silicon evanescent lasers | |
CN104638511A (zh) | 基于重构-等效啁啾以及串联/并联混合集成技术的低成本可调谐半导体激光器的方法及装置 | |
CN106532434A (zh) | 叠层选区生长制作多波长光子集成发射芯片的方法 | |
CN105281200A (zh) | 基于rec技术的集成高速数字调制wdm-pon光模块 | |
CN104779520A (zh) | 基于重构—等效啁啾的快速可调谐半导体激光器及制备方法 | |
CN104638514A (zh) | 基于重构-等效啁啾以及串联技术的低成本可调谐半导体激光器的方法及装置 | |
CN102570300B (zh) | 一种非对称取样光栅半导体激光器及其制作方法 | |
CN103151702A (zh) | 相移电控制dfb半导体激光器装置及其制作方法 | |
CN108603980A (zh) | 具有介质结构的光子集成器件 | |
CN112290385A (zh) | 多波长硅基iii-v族混合集成激光器阵列单元及制作方法 | |
US9742152B2 (en) | Tunable semiconductor laser based on reconstruction-equivalent chirp and series mode or series and parallel hybrid integration, and preparation thereof | |
CN105388564A (zh) | 基于MMI耦合器的InP基少模光子集成发射芯片 | |
CN104701734A (zh) | 一种半导体激光器及其制作方法及激光器阵列 | |
Cheng et al. | 40-Gb/s low chirp electroabsorption modulator integrated with DFB laser | |
Le Liepvre et al. | Wavelength selectable hybrid III–V/Si laser fabricated by wafer bonding | |
Duan et al. | Monolithically integrated photodetector array with a multistep cavity for multiwavelength receiving applications | |
Zhang et al. | Ten-channel InP-based large-scale photonic integrated transmitter fabricated by SAG technology | |
KR100250475B1 (ko) | 일차원 어레이 방식의 표면 투과형 광스위치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20191227 Address after: 211135 2 / F, block B, No. 300, Zhihui Road, Qilin science and Technology Innovation Park, Jiangning District, Nanjing City, Jiangsu Province Patentee after: Nanjing Dingxin rec equity investment partnership (limited partnership) Address before: 211100 Jiangning Province Economic and Technological Development Zone, Jiangsu City, No. Sheng Tai Road, No. 68 Patentee before: Nanjing Weining Ruike Information Technology Co., Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20201013 Address after: 2 / F, block B, 300 Huizhi Road, Qilin science and Technology Innovation Park, Jiangning District, Nanjing City, Jiangsu Province 210000 Patentee after: Nanjing Huafei Photoelectric Technology Co., Ltd Address before: 211135 2 / F, block B, No. 300, Zhihui Road, Qilin science and Technology Innovation Park, Jiangning District, Nanjing City, Jiangsu Province Patentee before: Nanjing Dingxin rec equity investment partnership (L.P.) |
|
EE01 | Entry into force of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20140730 Assignee: Wuxi dekeli Optoelectronic Technology Co.,Ltd. Assignor: Nanjing Huafei Photoelectric Technology Co., Ltd Contract record no.: X2021980005929 Denomination of invention: Low cost tunable DFB semiconductor laser with integrated modulator and its fabrication method Granted publication date: 20180831 License type: Common License Record date: 20210709 |