公开(公告)号：US20210281048A1

公开(公告)日：2021-09-09

申请号：US17195794

申请日：2021-03-09

Applicant: Thorlabs Quantum Electronics, Inc.

Inventor： Peter S.J. HEIM ,  John HRYNIEWICZ ,  Jacob MERTZ ,  Jianfei WANG

IPC: H01S5/14 ,  H01S5/026 ,  H01S5/0683 ,  G01B9/02

Abstract: A tunable laser assembly housed in a single enclosure and a method of control is described wherein the tunable laser, pump and semiconductor optical amplifier do not share a common optical axis but are all aligned to optical waveguides on an intervening planar lightwave circuit (PLC). Wavelength monitoring circuitry is included on the PLC to enable monitoring and control of the tunable laser center wavelength and optical bandwidth. The design of the PLC does not introduce perturbations into the swept-source laser output spectrum that would cause artifacts in imaging applications such as optical coherence tomography (OCT).

公开(公告)号：US20210242662A1

公开(公告)日：2021-08-05

申请号：US17162104

申请日：2021-01-29

Applicant: Thorlabs Quantum Electronics, Inc.

Inventor： Peter S.J. HEIM ,  Alan DONALDSON ,  Jacob MERTZ ,  Robert ROCHE

IPC: H01S5/0687 ,  H01S5/00 ,  H01S5/02326 ,  H01S5/024 ,  H01S5/04 ,  H01S5/02216

Abstract: A tunable laser assembly housed in a single enclosure and a method of control is described that provides high-speed monitoring and control of the spectral properties of widely tunable lasers, such as MEMS-tunable VCSELs, with an optical configuration that does not introduce perturbations into the swept-source laser output spectrum that would cause artifacts in imaging applications such as optical coherence tomography (OCT).

公开(公告)号：US09601901B2

公开(公告)日：2017-03-21

申请号：US14985776

申请日：2015-12-31

Applicant: Thorlabs Quantum Electronics, Inc.

Inventor： Catherine Genevieve Caneau ,  Feng Xie ,  Chung-En Zah

IPC: H01S5/026 ,  H01S5/34 ,  H01S5/02 ,  H01S5/20 ,  H01S5/0625

CPC classification number: H01S5/026 ,  H01S5/0208 ,  H01S5/06256 ,  H01S5/2031 ,  H01S5/2206 ,  H01S5/3401 ,  H01S5/3402 ,  H01S2301/185

Abstract: Disclosed is a semiconductor optical emitter having an optical mode and a gain section, the emitter comprising a low loss waveguide structure made of two alternating layers of semiconductor materials A and B, having refractive indexes of Na and Nb, respectively, with an effective index No of the optical mode in the low loss waveguide between Na and Nb, wherein No is within a 5% error margin of identical to a refractive index of the gain section and wherein the gain section is butt-jointed with the low loss waveguide, and wherein the size and shape of the optical mode(s) in the low loss waveguide and gain section are within a 10% error margin of equal. Desirably, at least one of the semiconductor materials A and B has a sufficiently large band gap that the passive waveguide structure blocks current under a voltage bias of 15 V.

公开(公告)号：US09547124B2

公开(公告)日：2017-01-17

申请号：US13799592

申请日：2013-03-13

Applicant: Thorlabs Quantum Electronics, Inc.

Inventor： Catherine Genevieve Caneau ,  Feng Xie ,  Chung-En Zah

IPC: G02B6/10 ,  H01S5/20 ,  G01N21/17 ,  H01S5/0625 ,  H01S5/10 ,  H01S5/12 ,  H01S5/34 ,  H01S5/40 ,  B82Y20/00 ,  H01S5/028

CPC classification number: H01S5/20 ,  B82Y20/00 ,  G01N21/17 ,  G02B6/102 ,  H01S5/028 ,  H01S5/06258 ,  H01S5/1032 ,  H01S5/1215 ,  H01S5/3401 ,  H01S5/3402 ,  H01S5/34313 ,  H01S5/4087 ,  H01S2301/166

Abstract: Concatenated distributed feedback lasers having novel waveguides are disclosed. The waveguides allow for coupling of the laser beam between active and passive waveguide structures and improved device design and output efficiency. Methods of making along with methods of using such devices are also disclosed.

Abstract translation: 公开了具有新颖波导的并联分布式反馈激光器。 波导允许在有源和无源波导结构之间耦合激光束，并改善器件设计和输出效率。 还公开了使用这种装置的方法的方法。

公开(公告)号：US09455551B2

公开(公告)日：2016-09-27

申请号：US14371513

申请日：2013-01-11

Applicant: Thorlabs Quantum Electronics, Inc.

Inventor： Catherine Genevieve Caneau ,  Feng Xie ,  Chung-En Zah

IPC: H01S5/34 ,  G01N21/39 ,  H01S5/0625 ,  H01S5/10 ,  B82Y20/00 ,  G01N21/47 ,  G01N21/59 ,  H01S5/12 ,  H01S5/028

CPC classification number: H01S5/3425 ,  B82Y20/00 ,  G01N21/39 ,  G01N21/47 ,  G01N21/59 ,  G01N2201/0612 ,  H01S5/0287 ,  H01S5/06256 ,  H01S5/1096 ,  H01S5/1215 ,  H01S5/3402

Abstract: Concatenated distributed feedback lasers having multiple laser sections laid out in series are disclosed. The concatenated distributed feedback lasers utilize quantum cascade core designs to produce optical gain in the mid-infrared region and may generate several wavelengths simultaneously or sequentially. Methods of making along with methods of using such devices are also disclosed.

Abstract translation: 公开了具有串联布置的多个激光部分的并联分布反馈激光器。 级联分布式反馈激光器利用量子级联核心设计在中红外区域产生光学增益，并且可以同时或顺序地产生几个波长。 还公开了使用这种装置的方法的方法。

公开(公告)号：US09385509B2

公开(公告)日：2016-07-05

申请号：US14725692

申请日：2015-05-29

Applicant: Thorlabs Quantum Electronics, Inc.

Inventor： Catherine Genevieve Caneau ,  Lawrence Charles Hughes, Jr. ,  Feng Xie ,  Chung-En Zah

IPC: H01S3/10 ,  H01S5/34 ,  H01S5/028 ,  H01S5/06 ,  H01S5/0625 ,  H01S5/12 ,  B82Y20/00 ,  H01S3/1055 ,  H01S5/00 ,  H01S5/0687 ,  H01S5/10 ,  H01S5/40

CPC classification number: H01S5/0687 ,  B82Y20/00 ,  H01S3/1055 ,  H01S5/0014 ,  H01S5/028 ,  H01S5/0612 ,  H01S5/06256 ,  H01S5/06258 ,  H01S5/1096 ,  H01S5/1218 ,  H01S5/1228 ,  H01S5/125 ,  H01S5/3401 ,  H01S5/3402 ,  H01S5/4043 ,  H01S5/4087

Abstract: A monolithic tunable mid-infrared laser has a wavelength range within the range of 3-14 μm and comprises a heterogeneous quantum cascade active region together with at least a first integrated grating. The heterogeneous quantum cascade active region comprises at least one stack, the stack comprising two, desirably at least three differing stages. Methods of operating and calibrating the laser are also disclosed.

Abstract translation: 单片可调谐中红外激光器的波长范围在3-14μm的范围内，并且包括非均质量子级联有源区以及至少第一集成光栅。 非均质量子级联有源区包括至少一个堆叠，堆叠包括两个，期望地至少三个不同的阶段。 还公开了操作和校准激光器的方法。

公开(公告)号：USRE43416E1

公开(公告)日：2012-05-29

申请号：US13008506

申请日：2011-01-18

Applicant: Simarjeet S. Saini ,  Jerry L. Bowser ,  Vincent K. Luciani ,  Peter J. S. Heim ,  Mario Dagenais ,  Ryan Enck

Inventor： Simarjeet S. Saini ,  Jerry L. Bowser ,  Vincent K. Luciani ,  Peter J. S. Heim ,  Mario Dagenais ,  Ryan Enck

IPC: H01S3/00

CPC classification number: H01S5/0425 ,  H01S5/22 ,  H01S5/50 ,  H01S2301/04

Abstract: A semiconductor optical amplifier (SOA) with efficient current injection is described. Injection current density is controlled to be higher in some areas and lower in others to provide, e.g., improved saturation power and/or noise figure. Controlled injection current can be accomplished by varying the resistivity of the current injection electrode. This, in turn, can be accomplished by patterning openings in the dielectric layer above the current injection metallization in a manner which varies the series resistance along the length of the device.

Abstract translation: 描述了一种具有高效电流注入的半导体光放大器（SOA）。 注入电流密度在一些区域被控制得更高，而另一些区域的注入电流密度更低，以提供例如改善的饱和功率和/或噪声系数。 控制注入电流可以通过改变电流注入电极的电阻率来实现。 这又可以通过以沿设备长度改变串联电阻的方式在电流注入金属化之上的电介质层中图案化开口来实现。

公开(公告)号：US09685766B2

公开(公告)日：2017-06-20

申请号：US14725789

申请日：2015-05-29

Applicant: Thorlabs Quantum Electronics, Inc.

Inventor： Catherine Genevieve Caneau ,  Feng Xie ,  Chung-En Zah

IPC: H01S3/10 ,  H01S5/34 ,  B82Y20/00 ,  H01S5/343 ,  H01S5/026 ,  H01S5/125 ,  H01S5/40

CPC classification number: H01S5/3402 ,  B82Y20/00 ,  H01S5/026 ,  H01S5/0268 ,  H01S5/0612 ,  H01S5/125 ,  H01S5/305 ,  H01S5/34313 ,  H01S5/3434 ,  H01S5/4068 ,  H01S5/4087

Abstract: Disclosed is a method of forming a laser source capable of producing mid-IR laser radiation comprises growing a first core structure on a substrate, etching away the first core structure in one or more locations, and growing a second core structure on the substrate. At least one of the core structures comprises a quantum cascade gain medium emitting at a frequency within the range from 3-14 μm. Also disclosed is a laser source capable of producing mid-IR laser radiation comprising a quantum-cascade core positioned on a substrate for emitting within the range from 3-14 μm and a second core on the substrate positioned in-plane relative to the first core. The second core is one of a) a passive waveguide core b) a second quantum-cascade core and c) a semiconductor active core region.

公开(公告)号：US09172211B2

公开(公告)日：2015-10-27

申请号：US13292385

申请日：2011-11-09

Applicant: Dmitri Vladislavovich Kuksenkov ,  Shenping Li ,  Hong Ky Nguyen ,  Chung-En Zah

Inventor： Dmitri Vladislavovich Kuksenkov ,  Shenping Li ,  Hong Ky Nguyen ,  Chung-En Zah

IPC: H01S5/00 ,  H01S5/06 ,  H01S5/125 ,  H01S5/026 ,  H01S5/10 ,  H01S5/12

CPC classification number: H01S5/0612 ,  H01S5/0261 ,  H01S5/06256 ,  H01S5/1096 ,  H01S5/1209 ,  H01S5/1218 ,  H01S5/1234 ,  H01S5/125

Abstract: A multi-wavelength distributed Bragg reflector (DBR) semiconductor laser is provided where DBR heating elements are positioned over the waveguide in the DBR section and define an interleaved temperature profile that generates multiple distinct reflection peaks corresponding to distinct temperature dependent Bragg wavelengths associated with the temperature profile. Neighboring pairs of heating elements of the DBR heating elements positioned over the waveguide in the DBR section are spaced along the direction of the axis of optical propagation by a distance that is equal to or greater than the laser chip thickness b to minimize the impact of thermal crosstalk between distinct temperature regions of the interleaved temperature profile.

Abstract translation: 提供了一种多波长分布布拉格反射器（DBR）半导体激光器，其中DBR加热元件位于DBR部分中的波导上方，并且限定了交错的温度分布，其产生对应于与温度相关的不同的温度相关布拉格波长的不同反射峰 个人资料 位于DBR部分的波导上的DBR加热元件的相邻的加热元件对沿着光学传播轴的方向间隔开等于或大于激光器芯片厚度b的距离，以最小化热的影响 交错温度曲线的不同温度区域之间的串扰。

公开(公告)号：US12261413B2

公开(公告)日：2025-03-25

申请号：US17195794

申请日：2021-03-09

Applicant: Thorlabs Quantum Electronics, Inc.

Inventor： Peter J. S. Heim ,  John Hryniewicz ,  Jacob Mertz ,  Jianfei Wang

IPC: H01S3/13 ,  G01B9/02004 ,  G01B9/02091 ,  H01S5/00 ,  H01S5/02251 ,  H01S5/02253 ,  H01S5/024 ,  H01S5/026 ,  H01S5/0683 ,  H01S5/14 ,  H01S5/183

Abstract: A tunable laser assembly housed in a single enclosure and a method of control is described wherein the tunable laser, pump and semiconductor optical amplifier do not share a common optical axis but are all aligned to optical waveguides on an intervening planar lightwave circuit (PLC). Wavelength monitoring circuitry is included on the PLC to enable monitoring and control of the tunable laser center wavelength and optical bandwidth. The design of the PLC does not introduce perturbations into the swept-source laser output spectrum that would cause artifacts in imaging applications such as optical coherence tomography (OCT).