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1. 发明申请

US20180175589A1 SEMICONDUCTOR LASER, LIGHT SOURCE UNIT, COMMUNICATION SYSTEM, AND WAVELENGTH DIVISION MULTIPLEXING OPTICAL COMMUNICATION SYSTEM 审中-公开
公开(公告)号：US20180175589A1
公开(公告)日：2018-06-21
申请号：US15790010
申请日：2017-10-22
申请人： Renesas Electronics Corporation
发明人： Shunsuke NOZU , Yoshiharu MUROYA
IPC分类号： H01S5/12 , H01S5/10
CPC分类号： H01S5/1246 , H01S5/0287 , H01S5/0654 , H01S5/0683 , H01S5/1039 , H01S5/4087 , H04B10/503
摘要： Provided is a distributed feed back semiconductor laser including a phase shift part capable of obtaining an excellent single-mode yield and a high luminous efficiency. A diffraction grating (105) is formed so as to extend in a guiding direction of a resonator between an end surface at which a low reflective film (111) is formed and an end surface at which a high reflective film (110) is formed. In diffraction grating (105) a plurality of phase shift parts (106) that discontinuously change a phase of the diffraction grating (105) in a predetermined range separated from the end surface at which the low reflective film (111) is formed are disposed.

2. 发明授权

US09356425B2 Semiconductor DBR laser 有权
标题翻译：半导体DBR激光器
公开(公告)号：US09356425B2
公开(公告)日：2016-05-31
申请号：US14437249
申请日：2013-11-01
申请人： Oclaro Technology Ltd
发明人： Sam Davies , Andrew Ward , Andrew Carter
IPC分类号： H01S5/0625 , H01S5/026 , H01S5/10 , H01S5/12 , H01S5/024 , H01S5/125
CPC分类号： H01S5/06256 , H01S5/02407 , H01S5/0261 , H01S5/101 , H01S5/1014 , H01S5/1064 , H01S5/1212 , H01S5/1246 , H01S5/125 , H01S2301/163
摘要： A semiconductor distributed Bragg reflector laser configured for single longitudinal mode operation, having an optical waveguide comprising an optical gain section, a first reflector being a first distributed Bragg reflector (DBR) section comprising a grating configured to produce a reflection spectrum having one or more first reflective peaks, and a second reflector, wherein the first DBR section is configured to compensate for thermal chirp that is induced inhomogeneously along the length of the DBR section, in use.
摘要翻译：一种半导体分布布拉格反射激光器，其被配置用于单纵模操作，具有包括光增益部分的光波导，第一反射器是第一分布布拉格反射器（DBR）部分，其包括被配置为产生具有一个或多个第一反射峰和第二反射器，其中第一DBR部分被配置为补偿在使用中沿着DBR部分的长度不均匀地感应的热啁啾。

3. 发明申请

US20170214217A1 SURFACE-EMITTING RING-CAVITY QUANTUM CASCADE LASER WITH RING-SHAPED PHASE SHIFTER AND RELATED METHODS 审中-公开
公开(公告)号：US20170214217A1
公开(公告)日：2017-07-27
申请号：US14295941
申请日：2014-06-04
申请人： UNIVERSITY OF CENTRAL FLORIDA RESEARCH FOUNDATION, INC.
发明人： Robert E. PEALE , Pedro Figueiredo , Andrey V. Muraviev
IPC分类号： H01S5/10 , H01S5/024 , H01S5/068 , H01S5/18 , H01S5/34
CPC分类号： H01S5/1071 , H01S5/1246 , H01S5/187 , H01S5/3401
摘要： A ring-cavity surface emitting quantum cascade laser (RCSE-QCL) may include a ring-shaped active region having first and second opposing facets. One of the first and second opposing facets may define a radiation emitting facet. The RCSE-QCL may also include a ring-shaped phase shifter aligned with the radiation emitting facet and having a spiraled surface.

4. 发明申请

US20150288140A1 Semiconductor DBR Laser 有权
标题翻译：半导体DBR激光器
公开(公告)号：US20150288140A1
公开(公告)日：2015-10-08
申请号：US14437249
申请日：2013-11-01
申请人： OCLARO TECHNOLOGY LTD
发明人： Sam Davies , Andrew Ward , Andrew Carter
IPC分类号： H01S5/0625 , H01S5/12 , H01S5/10
CPC分类号： H01S5/06256 , H01S5/02407 , H01S5/0261 , H01S5/101 , H01S5/1014 , H01S5/1064 , H01S5/1212 , H01S5/1246 , H01S5/125 , H01S2301/163
摘要： A semiconductor distributed Bragg reflector laser configured for single longitudinal mode operation, having an optical waveguide comprising an optical gain section, a first reflector being a first distributed Bragg reflector (DBR) section comprising a grating configured to produce a reflection spectrum having one or more first reflective peaks, and a second reflector, wherein the first DBR section is configured to compensate for thermal chirp that is induced inhomogeneously along the length of the DBR section, in use.
摘要翻译：一种半导体分布布拉格反射激光器，其被配置用于单纵模操作，具有包括光增益部分的光波导，第一反射器是第一分布布拉格反射器（DBR）部分，其包括被配置为产生具有一个或多个第一反射峰和第二反射器，其中第一DBR部分被配置为补偿在使用中沿着DBR部分的长度不均匀地感应的热啁啾。

5. 发明申请

US20130114636A1 DBR Laser Diode With Symmetric Aperiodically Shifted Grating Phase 有权
标题翻译： DBR激光二极管与对称非周期性转换光栅相
公开(公告)号：US20130114636A1
公开(公告)日：2013-05-09
申请号：US13292433
申请日：2011-11-09
申请人： Dmitri Vladislavovich Kuksenkov , Dragan Pikula , Rostislav Vatchev Roussev
发明人： Dmitri Vladislavovich Kuksenkov , Dragan Pikula , Rostislav Vatchev Roussev
IPC分类号： H01S5/125
CPC分类号： H01S5/125 , H01S5/0092 , H01S5/1096 , H01S5/1212 , H01S5/1246
摘要： In accordance with one embodiment of the present disclosure, a DBR laser diode is provided where the wavelength selective grating of the laser diode is characterized by an aperiodically shifted grating phase φ and a Bragg wavelength λB. The aperiodically shifted grating phase φ is substantially symmetric or substantially π-shifted symmetric relative to a midpoint CL or shifted midpoint CL* of the DBR section. The phase φ of the wavelength selective grating is characterized by aperiodic phase jumps of magnitude φJ1, J2, . . . and segment lengths l0, 1, . . . . The phase jumps of the wavelength selective grating are arranged substantially symmetrically about a midpoint CL or shifted midpoint CL* of the DBR section along the optical axis of the DBR laser diode. At least two phase jumps reside on each side of the midpoint CL or shifted midpoint CL* of the DBR section.
摘要翻译：根据本公开的一个实施例，提供了一种DBR激光二极管，其中激光二极管的波长选择光栅的特征在于非周期性移动的光栅相位phi和布拉格波长λB。非周期性移动的光栅相位phi基本对称或相对于DBR部分的中点CL或偏移中点CL *基本上对称或对称移位。波长选择光栅的相位phi的特征在于非周期相位跳跃幅度为phiJ1，J2。。。和段长度l0,1。。。。波长选择光栅的相位跳跃基于DBR部分的中点CL或偏移中点CL *大致对称地沿着DBR激光二极管的光轴布置。至少两个相位跳变位于中点CL的两侧或DBR部分的中点CL *。

6. 发明授权

US07257137B2 Tuneable laser having comb reflectors producing combs of reflective wavelength peaks 有权
标题翻译：具有产生反射波长峰梳的梳状反射器的可调谐激光器
公开(公告)号：US07257137B2
公开(公告)日：2007-08-14
申请号：US10483943
申请日：2002-07-15
申请人： David James Robbins , Peter John Williams
发明人： David James Robbins , Peter John Williams
IPC分类号： H01S3/10 , H01S3/08
CPC分类号： H01S5/06256 , H01S5/0425 , H01S5/1209 , H01S5/1246
摘要： A tuneable laser is disclosed, including a gain section with first and second comb reflectors to one side thereof. The two reflectors each provide combs with substantially uniform spacings, the spacings differing as between the combs. Each comb reflector can be tuned so as to shift the reflective peaks of the combs, thus allowing alignment of a single reflective peak at a chosen wavelength which is the same in both combs, forming a supermode. This supermode has an intensity greater than the threshold of the gain section and thus the laser produces an output at that selected wavelength.
摘要翻译：公开了一种可调激光器，其包括在其一侧具有第一和第二梳状反射器的增益部分。两个反射器各自提供具有基本上均匀间隔的梳子，间隔在梳子之间不同。可以调整每个梳状反射器以便移动梳状物的反射峰，从而允许在两个梳中相同的选定波长处的单个反射峰的对准，形成超模。该超模具有大于增益部分的阈值的强度，因此激光器在该选择的波长处产生输出。

7. 发明授权

US07106765B2 Tuneable laser 有权
标题翻译：可调激光
公开(公告)号：US07106765B2
公开(公告)日：2006-09-12
申请号：US10492992
申请日：2002-09-12
申请人： Andrew Carter , Douglas Reid
发明人： Andrew Carter , Douglas Reid
IPC分类号： H01S3/10 , H01S5/00 , H01S3/08
CPC分类号： H01S5/06256 , H01S5/0425 , H01S5/1215 , H01S5/1243 , H01S5/1246
摘要： A tuneable laser includes a gain section bounded at one end by a first reflector adapted to produce a comb of reflective peaks and on the other end by a second reflector in the form of a plurality of discrete grating units each capable of reflecting at one of the peaks of the comb, and each grating unit having at least two independently actuable electrodes, which when actuated independently one from the other is capable of reducing the reflectivity of the grating unit and in which at least two of the grating units have different pitches.
摘要翻译：可调激光器包括增益部分，其一端由第一反射器限定，第一反射器适于产生反射峰的梳齿，另一端由多个离散光栅单元形式的第二反射器组成，每个反射器能够在并且每个光栅单元具有至少两个可独立致动的电极，当彼此独立地驱动时，能够减小光栅单元的反射率，并且其中至少两个光栅单元具有不同的间距。

8. 发明申请

US20040240490A1 Tuneable laser 有权
标题翻译：可调激光
公开(公告)号：US20040240490A1
公开(公告)日：2004-12-02
申请号：US10483943
申请日：2004-06-21
发明人： David James Robbins , Peter John Williams
IPC分类号： H01S003/10
CPC分类号： H01S5/06256 , H01S5/0425 , H01S5/1209 , H01S5/1246
摘要： A tuneable laser is disclosed, including a gain section with first and second comb reflectors to one side thereof. The two reflectors each provide combs with substantially uniform spacings, the spacings differing as between the combs. Each comb reflector can be tuned so as to shift the reflective peaks of the combs, thus allowing alignment of a single reflective peak at a chosen wavelength which is the same in both combs, forming a supermode. This supermode has an intensity greater than the threshold of the gain section and thus the laser produces an output at that selected wavelength.
摘要翻译：公开了一种可调激光器，其包括在其一侧具有第一和第二梳状反射器的增益部分。两个反射器各自提供具有基本上均匀间隔的梳子，间隔在梳子之间不同。可以调整每个梳状反射器以便移动梳状物的反射峰，从而允许在两个梳中相同的选定波长处的单个反射峰的对准，形成超模。该超模具有大于增益部分的阈值的强度，因此激光器在该选择的波长处产生输出。

9. 发明授权

US06826203B1 High yield DFB laser with effective reject selection 失效
标题翻译：高产量DFB激光器，具有有效的废品选择
公开(公告)号：US06826203B1
公开(公告)日：2004-11-30
申请号：US09612128
申请日：2000-07-07
申请人： Per Olov Granestrand
发明人： Per Olov Granestrand
IPC分类号： H01S310
CPC分类号： H01S5/12 , H01S5/0265 , H01S5/0287 , H01S5/124 , H01S5/1246
摘要： The present invention relates to a high yield DFB laser with an effective reject selection using criteria on threshold current. The demand for high output power often will require use of lasers with asymmetric power distributions with most of the light power coming out from the front mirror. The laser according to the invention preferably has an as-cleaved back mirror, an AR-coated front mirror and a 90- degree phase shift (wavelength/4) positioned at 43% of the laser length counted from the rear mirror. This type of laser gives a good SM-yield, an advantageous power asymmetry and a possibility to select good lasers using the threshold current as selection parameter.
摘要翻译：本发明涉及使用阈值电流准则的有效拒绝选择的高产率DFB激光器。对高输出功率的需求通常需要使用具有不对称功率分布的激光器，其中大部分光功率从前反射镜出来。根据本发明的激光器优选具有分离的后反射镜，AR涂覆的前反射镜和位于从后反射镜计数的激光长度的43％的90度相移（波长/ 4）。这种类型的激光器具有良好的SM产量，有利的功率不对称性以及使用阈值电流作为选择参数来选择良好激光器的可能性。

10. 发明申请

US20030132451A1 Phase-shifted distributed feedback type semiconductor laser diode capable of improving wavelength chirping and external reflection return light characteristics and method for manufacturing the same 有权
标题翻译：能够改善波长啁啾和外部反射返回光特性的相移分布反馈型半导体激光二极管及其制造方法
公开(公告)号：US20030132451A1
公开(公告)日：2003-07-17
申请号：US10336520
申请日：2003-01-03
发明人： Yidong Huang
IPC分类号： H01L031/0328
CPC分类号： B82Y20/00 , H01S5/0014 , H01S5/028 , H01S5/0287 , H01S5/06213 , H01S5/0622 , H01S5/12 , H01S5/1221 , H01S5/124 , H01S5/1246 , H01S5/227 , H01S5/34306 , H01S5/3434
摘要： In a distributed feedback type semiconductor layer diode including a semiconductor substrate, an optical guide layer formed on the semiconductor substrate, a diffraction grating having a phase shift region being formed between the semiconductor substrate and the optical guide layer, and an active layer formed on the optical guide layer, nullLnullAnullnullnullnullB where null is a coupling coefficient of the diffraction grating, L is a cavity length of the diode, nullnull is a detuning amount denoted by nullnullnullnullgnullnull where nullg is a gain peak wavelength of the diode and null is an oscillation wavelength of the diode, A is a constant from 0.04 nmnull1 to 0.06 nmnull1, and B is a constant from 3.0 to 5.0.
摘要翻译：在包括半导体衬底的分布式反馈型半导体层二极管，形成在半导体衬底上的导光层，在半导体衬底和导光层之间形成有相移区域的衍射光栅以及形成在该半导体衬底上的有源层光导层，kappaL + A.DELTAlambd> = B其中kapp是衍射光栅的耦合系数，L是二极管的腔长，DELTAlambd是由DELTAlambd = lambdg-lambd表示的失谐量，其中lambdg是增益峰二极管的波长和lambd是二极管的振荡波长，A为0.04nm-1至0.06nm-1的常数，B为3.0至5.0的常数。

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