公开(公告)号：US09634467B2

公开(公告)日：2017-04-25

申请号：US14574813

申请日：2014-12-18

Applicant: Seiko Epson Corporation

Inventor： Satoshi Takenaka ,  Yuji Kurachi ,  Shoji Ono

IPC: H01S3/08 ,  H01S5/42 ,  G04F5/14 ,  H01S5/042 ,  H01S5/183 ,  H01S5/32 ,  H01S5/022 ,  H01S5/0687 ,  H01S5/062

CPC classification number: H01S5/423 ,  G04F5/145 ,  H01S5/02276 ,  H01S5/0425 ,  H01S5/0623 ,  H01S5/0687 ,  H01S5/18311 ,  H01S5/18338 ,  H01S5/18347 ,  H01S5/1835 ,  H01S5/18352 ,  H01S5/18355 ,  H01S5/18372 ,  H01S5/3201 ,  H01S2301/176

Abstract: A vertical cavity surface emitting laser includes: a laminated body; an insulation layer which is provided over at least a portion of the laminated body; an electrode of which at least a portion is provided over the laminated body; a pad; and a wiring which connects the electrode and the pad, wherein the laminated body includes a first mirror layer, an active layer, and a second mirror layer, the laminated body includes a first distortion imparting portion, a second distortion imparting portion, and a resonance portion which is provided between the first distortion imparting portion and the second distortion imparting portion, in a plan view, the electrode is provided so as to cover at least a portion of the resonance portion, in the plan view, a width of the wiring is greater than a width of the first distortion imparting portion and is smaller than a width of the electrode.

公开(公告)号：US20150248047A1

公开(公告)日：2015-09-03

申请号：US14632526

申请日：2015-02-26

Applicant: The University of Manchester

Inventor： Subhasish CHAKRABORTY

IPC: G02F1/35 ,  G02F1/377 ,  G02B27/42 ,  G02F1/365 ,  G02F1/355

CPC classification number: G02F1/353 ,  G02B27/4244 ,  G02F1/3534 ,  G02F1/3544 ,  G02F1/3556 ,  G02F1/365 ,  G02F1/377 ,  G02F2001/354 ,  G02F2001/3546 ,  G02F2201/30 ,  G02F2202/101 ,  G02F2203/13 ,  H01S5/0623 ,  H01S5/3402 ,  H04B10/50 ,  H04B10/90

Abstract: A tunable mixer comprising: a solid state device formed of a (non-linear) material having a second or higher order electrical susceptibility, and configured to receive an input light signal having a principle modal frequency; and a grating, provided as a series of a plurality of grating elements, arranged to provide distributed feedback within the device such that the mixer is electrically controllable: to add, relative to the principle modal frequency, a sideband mode to the input light signal at any selected one of at least two respective sideband modal frequencies; and to output the resulting signal.

Abstract translation: 一种可调混合器，包括：由具有第二或更高阶电磁敏度的（非线性）材料形成的固态器件，并且被配置为接收具有主要模态频率的输入光信号; 以及光栅，被提供为一系列多个光栅元件，被布置成在所述器件内提供分布式反馈，使得所述混频器是电可控的：相对于所述主模式频率，将边带模式加到所述输入光信号 至少两个相应的边带模态频率中的任何一个选择的一个; 并输出结果信号。

公开(公告)号：US20150180213A1

公开(公告)日：2015-06-25

申请号：US14574813

申请日：2014-12-18

Applicant: Seiko Epson Corporation

Inventor： Satoshi TAKENAKA ,  Yuji KURACHI ,  Shoji ONO

IPC: H01S5/42

CPC classification number: H01S5/423 ,  G04F5/145 ,  H01S5/02276 ,  H01S5/0425 ,  H01S5/0623 ,  H01S5/0687 ,  H01S5/18311 ,  H01S5/18338 ,  H01S5/18347 ,  H01S5/1835 ,  H01S5/18352 ,  H01S5/18355 ,  H01S5/18372 ,  H01S5/3201 ,  H01S2301/176

Abstract: A vertical cavity surface emitting laser includes: a laminated body; an insulation layer which is provided over at least a portion of the laminated body; an electrode of which at least a portion is provided over the laminated body; a pad; and a wiring which connects the electrode and the pad, wherein the laminated body includes a first mirror layer, an active layer, and a second mirror layer, the laminated body includes a first distortion imparting portion, a second distortion imparting portion, and a resonance portion which is provided between the first distortion imparting portion and the second distortion imparting portion, in a plan view, the electrode is provided so as to cover at least a portion of the resonance portion, in the plan view, a width of the wiring is greater than a width of the first distortion imparting portion and is smaller than a width of the electrode.

Abstract translation: 垂直腔表面发射激光器包括：层叠体; 绝缘层，设置在所述层叠体的至少一部分上; 在层叠体上设置有至少一部分的电极; 垫子 以及连接电极和焊盘的布线，其中层叠体包括第一反射镜层，有源层和第二镜面层，层叠体包括第一变形赋予部，第二变形赋予部和共振 设置在第一变形赋予部分和第二变形赋予部分之间的部分，在平面图中设置电极以覆盖谐振部分的至少一部分，在平面图中，布线的宽度为 大于第一变形赋予部分的宽度并且小于电极的宽度。

公开(公告)号：US08487234B2

公开(公告)日：2013-07-16

申请号：US13425673

申请日：2012-03-21

Applicant: Jeffrey Levy

Inventor： Jeffrey Levy

IPC: H01J40/14

CPC classification number: H01J1/34 ,  H01J21/02 ,  H01S1/02 ,  H01S5/0623

Abstract: An electric device operable with a THz-range frequency of the device output is presented. The device comprises a photocathode installed in either one of a diode, triode and tetrode configuration, and is exposed to illumination. In some embodiments of the invention, the device is configured as a diode and photomixing is used for illumination of the photocathode with light in the THz range, the diode converting this input light signal into an electrical output in the THz range, which operates a signal transmitter/receiver. In some other embodiments of the invention, the device is configured as a triode or tetrode, where the electrodes have small dimensions (about 1 micron or less) and are spaced from one another a distance not exceeding 1 micron. The photocathode is kept under certain illumination, and electrical signal applied to one of the electrodes results in the THz output at one of the other electrodes.

Abstract translation: 提出了可以以设备输出的THz范围频率工作的电气设备。 该装置包括安装在二极管，三极管和四极结构中的任一个中的光电阴极，并且暴露于照明。 在本发明的一些实施例中，该器件被配置为二极管，并且光混合用于以THz范围内的光照射光电阴极，二极管将该输入光信号转换成THz范围内的电输出，该电输出操作信号 发射机/接收机。 在本发明的一些其他实施例中，该器件被配置为三极管或四极管，其中电极具有小尺寸（约1微米或更小）并且彼此间隔不超过1微米的距离。 光电阴极保持在一定的照明范围内，并且电信号施加到一个电极，导致在其它电极之一处的THz输出。

公开(公告)号：US20120181429A1

公开(公告)日：2012-07-19

申请号：US13425673

申请日：2012-03-21

Applicant: Jeffrey LEVY

Inventor： Jeffrey LEVY

IPC: G01J5/30

CPC classification number: H01J1/34 ,  H01J21/02 ,  H01S1/02 ,  H01S5/0623

Abstract: An electric device operable with a THz-range frequency of the device output is presented. The device comprises a photocathode installed in either one of a diode, triode and tetrode configuration, and is exposed to illumination. In some embodiments of the invention, the device is configured as a diode and photomixing is used for illumination of the photocathode with light in the THz range, the diode converting this input light signal into an electrical output in the THz range, which operates a signal transmitter/receiver. In some other embodiments of the invention, the device is configured as a triode or tetrode, where the electrodes have small dimensions (about 1 micron or less) and are spaced from one another a distance not exceeding 1 micron. The photocathode is kept under certain illumination, and electrical signal applied to one of the electrodes results in the THz output at one of the other electrodes.

Abstract translation: 提出了可以以设备输出的THz范围频率工作的电气设备。 该装置包括安装在二极管，三极管和四极结构中的任一个中的光电阴极，并且暴露于照明。 在本发明的一些实施例中，该器件被配置为二极管，并且光混合用于以THz范围内的光照射光电阴极，二极管将该输入光信号转换成THz范围内的电输出，其操作信号 发射机/接收机。 在本发明的一些其他实施例中，该器件被配置为三极管或四极管，其中电极具有小尺寸（约1微米或更小）并且彼此间隔不超过1微米的距离。 光电阴极保持在一定的照明范围内，并且电信号施加到一个电极，导致在其它电极之一处的THz输出。

公开(公告)号：US08143566B2

公开(公告)日：2012-03-27

申请号：US12300192

申请日：2007-05-13

Applicant: Jeffrey Levy

Inventor： Jeffrey Levy

IPC: H01J40/14

CPC classification number: H01J1/34 ,  H01J21/02 ,  H01S1/02 ,  H01S5/0623

Abstract: An electric device operable with a THz-range frequency of the device output is presented. The device comprises a photocathode installed in either one of a diode, triode and tetrode configuration, and is exposed to illumination. In some embodiments of the invention, the device is configured as a diode and photomixing is used for illumination of the photocathode with light in the THz range, the diode converting this input light signal into an electrical output in the THz range, which operates a signal transmitter/receiver. In some other embodiments of the invention, the device is configured as a triode or tetrode, where the electrodes have small dimensions (about 1 micron or less) and are spaced from one another a distance not exceeding 1 micron. The photocathode is kept under certain illumination, and electrical signal applied to one of the electrodes results in the THz output at one of the other electrodes.

Abstract translation: 提出了可以以设备输出的THz范围频率工作的电气设备。 该装置包括安装在二极管，三极管和四极结构中的任一个中的光电阴极，并且暴露于照明。 在本发明的一些实施例中，该器件被配置为二极管，并且光混合用于以THz范围内的光照射光电阴极，二极管将该输入光信号转换成THz范围内的电输出，该电输出操作信号 发射机/接收机。 在本发明的一些其他实施例中，该器件被配置为三极管或四极管，其中电极具有小尺寸（约1微米或更小）并且彼此间隔不超过1微米的距离。 光电阴极保持在一定的照明范围内，并且电信号施加到一个电极，导致在其它电极之一处的THz输出。

公开(公告)号：US08023540B2

公开(公告)日：2011-09-20

申请号：US12788235

申请日：2010-05-26

Applicant: Vladimir Kupershmidt

Inventor： Vladimir Kupershmidt

IPC: H01S3/13

CPC classification number: H01S5/14 ,  H01S5/0623 ,  H01S5/40

Abstract: An optical phase lock loop (OPLL) system is disclosed that includes a master external cavity laser (ECL), and a substantially identical slave ECL. The master and slave ECLs are fabricated using a planar semiconductor device with waveguide-integrated planar Bragg gratings (PBG). Both the master and slave ECLs have a narrow linewidth and a low frequency-noise. Each of the ECLs has their own controller-modulator circuits for thermal tuning or electrical tuning via direct modulation. A laser-select-logic (LSL) module receives and processes a filtered phase error signal from a loop filter coupled to an electronic PLL device, and directs the processed phase error signal to one or both of the master and slave controller-modulators according to a logical determination of a required mode of operation of the OPLL system in order to achieve a stable and identical phase performance of the master and the slave ECLs. The required mode of operation is chosen from a locking mode, a prediction mode, a tracking mode, and a searching mode.

Abstract translation: 公开了一种光锁相环（OPLL）系统，其包括主外腔激光器（ECL）和基本相同的从ECL。 主和从ECL是使用具有波导集成平面布拉格光栅（PBG）的平面半导体器件制造的。 主从ECL都具有窄线宽和低频噪声。 每个ECL都有自己的控制器调制器电路，用于通过直接调制进行热调谐或电调谐。 激光选择逻辑（LSL）模块从耦合到电子PLL器件的环路滤波器接收并处理经滤波的相位误差信号，并将经处理的相位误差信号引导至主控制器和从属控制器调制器中的一个或两者，根据 逻辑确定OPLL系统的所需操作模式，以实现主和从ECL的稳定和相同的相位性能。 从锁定模式，预测模式，跟踪模式和搜索模式中选择所需的操作模式。

公开(公告)号：US07715090B2

公开(公告)日：2010-05-11

申请号：US11815334

申请日：2006-02-02

Applicant: Ian Lealman

Inventor： Ian Lealman

IPC: G02F1/35 ,  G02F2/02 ,  G02B6/00

CPC classification number: H01S5/4031 ,  H01S5/0623 ,  H01S5/12 ,  H01S5/1215 ,  H01S5/125 ,  H01S5/4087

Abstract: An optical device for generating a beat frequency between two optical wavelengths includes two waveguides (2a, 2b) of different width and a grating layer (4) that is common to both wave guides.

Abstract translation: 用于在两个光波长之间产生拍频的光学装置包括两个不同宽度的波导（2a，2b）和两个波导共同的光栅层（4）。

公开(公告)号：US20100080505A1

公开(公告)日：2010-04-01

申请号：US12517732

申请日：2007-11-30

Applicant: Bernd Sartorius ,  Michael Feiginov ,  Cezary Sydlo

Inventor： Bernd Sartorius ,  Michael Feiginov ,  Cezary Sydlo

IPC: G02B6/12

CPC classification number: H04B10/5053 ,  G01N21/3581 ,  H01S5/026 ,  H01S5/0623 ,  H01S5/4025 ,  H04B10/505 ,  H04B10/5051

Abstract: An inexpensive and compact arrangement for the electrical control and fast modulation of THz transmitters and THz measuring systems is proposed, wherein said arrangement is stable, requires no mechanical movements and operates with a purely electric control, consumes little power and also has a high speed potential for the phase modulation. This is achieved by replacing the components known from the state of the art, namely two lasers, the beam splitters, the couplers and the mechanically moved delay line, with a compact monolithic or hybrid integrated chip (10), particularly a so-called optical master chip without moving parts that comprises at least the two lasers (1, 2), the beam splitters (S3.1, S3.2), the couplers (K3.1, K3.2) and a phase modulator (4.1) for one of the laser waves such that the two generated beat signals are respectively delivered to different chip outputs (6, 7) in order to separately control the THz transmitter and the local oscillator.

Abstract translation: 提出了一种用于THz发射器和THz测量系统的电气控制和快速调制的廉价且紧凑的布置，其中所述布置是稳定的，不需要机械移动并且仅用于电气控制来操作，消耗很少的功率并且还具有高速度电位 用于相位调制。 这是通过用紧凑的单片或混合集成芯片（10）代替现有技术中已知的组件，即两个激光器，分束器，耦合器和机械移动的延迟线来实现的，特别是所谓的光学 至少包括两个激光器（1,2），分束器（S3.1，S3.2），耦合器（K3.1，K3.2）和相位调制器（4.1）的移动部件的主芯片， 使得两个产生的拍频信号分别传送到不同的芯片输出（6,7）的激光波形之一，以分别控制THz发射机和本地振荡器。

公开(公告)号：US20090092400A1

公开(公告)日：2009-04-09

申请号：US12238065

申请日：2008-09-25

Applicant: Koji IGARASHI ,  Yoshihiro Emori ,  Atsushi Oguri ,  Shu Namiki ,  Osamu Aso ,  Masateru Tadakuma

Inventor： Koji IGARASHI ,  Yoshihiro Emori ,  Atsushi Oguri ,  Shu Namiki ,  Osamu Aso ,  Masateru Tadakuma

IPC: H04B10/12

CPC classification number: G02F1/365 ,  G02F1/3513 ,  G02F2203/17 ,  G02F2203/26 ,  H01S5/0623 ,  H04B10/25077 ,  H04B10/291

Abstract: The present invention provides a pulse train generator comprising: a dual-frequency signal light source for generating a dual-frequency signal; a soliton shaper for soliton-shaping output light from the dual-frequency signal light source; and an adiabatic soliton compressor for performing adiabatic soliton compression on output light from the soliton shaper, and also provides a waveform shaper used in this pulse train generator, including a plurality of highly nonlinear optical transmission lines and a plurality of low-nonlinearity optical transmission lines which has a nonlinearity coefficient lower than that of the plurality of highly nonlinear optical transmission lines and which has a second-order dispersion value of which an absolute value is different from that of the plurality of highly nonlinear optical transmission lines. Further, the present invention provides a light source comprising a plurality of continuous light sources of which at least one oscillates in a multimode; a multiplexer for multiplexing output light from the continuous light sources; and a nonlinear phenomenon producer for producing a nonlinear phenomenon on output light from the multiplexer so as to suppress SBS (Stimulated Brillouin Scattering).

Abstract translation: 本发明提供一种脉冲串发生器，包括：用于产生双频信号的双频信号光源; 用于孤子整形的孤子整形器来自双频信号光源的输出光; 以及用于对来自孤子整形器的输出光进行绝热孤子压缩的绝热孤子压缩器，并且还提供在该脉冲串发生器中使用的波形整形器，包括多个高度非线性的光传输线和多个低非线性光传输线 其具有比多个高度非线性光传输线的非线性系数低的非线性系数，并且具有绝对值与多个高度非线性光传输线的绝对值不同的二阶色散值。 此外，本发明提供了一种光源，其包括至少一个以多模振荡的多个连续光源; 多路复用器，用于复用来自连续光源的输出光; 以及用于在来自多路复用器的输出光上产生非线性现象以抑制SBS（受激布里渊散射）的非线性现象产生器。