公开(公告)号：US4529273A

公开(公告)日：1985-07-16

申请号：US451849

申请日：1982-12-21

Applicant: Mark Cronin-Golomb ,  Baruch Fischer ,  Jeffrey O. White ,  Amnon Yariv

Inventor： Mark Cronin-Golomb ,  Baruch Fischer ,  Jeffrey O. White ,  Amnon Yariv

IPC: G02F1/35 ,  G02B5/08 ,  G02F1/01

CPC classification number: G02F1/3538

Abstract: A passive (self-pumped) phase conjugate mirror uses a third-order nonlinear polarization medium, either of the refractive type (effective nonlinear) or the actual nonlinear type, with an optical system of one or more mirrors to reflect back through the medium a coherent incident beam diffracted by the medium. With two mirrors, they may be aligned to form a linear optical cavity containing the nonlinear medium, or they may be so oriented on one side of the medium that the incident beam transmitted through the medium is reflected back through the medium at an angle with the incident beam, and diffracted light from the incident beam is reflected back through the medium in the opposite direction coincident with the incident beam. A passive phase conjugate mirror may replace an end mirror of an optical cavity for a laser gain medium. Phase distortions of the laser beam in the laser cavity are corrected by the passive phase conjugate mirror.

Abstract translation: 无源（自泵浦）相位共轭反射镜使用三阶非线性偏振介质，折射型（有效非线性）或实际非线性类型中的任一者与一个或多个反射镜的光学系统反射回介质a 相干入射光束被介质衍射。 使用两个反射镜，它们可以对准以形成包含非线性介质的线性光学腔，或者它们可以在介质的一侧上定向，使得透射通过介质的入射光束通过介质以与 入射光束和来自入射光束的衍射光在与入射光束重合的相反方向上通过介质反射回来。 无源相位共轭反射镜可以替代用于激光增益介质的光学腔的端镜。 激光腔中激光束的相位失真由无源相位共轭反射镜校正。

公开(公告)号：US4233571A

公开(公告)日：1980-11-11

申请号：US945986

申请日：1978-09-27

Applicant: Victor Wang ,  Amnon Yariv

Inventor： Victor Wang ,  Amnon Yariv

IPC: G02F1/35 ,  H01S3/08 ,  H01S3/098 ,  H01S3/10 ,  H01S3/108 ,  H01S3/30

CPC classification number: G02F1/3538 ,  H01S3/08 ,  H01S3/10076

Abstract: A laser which self-corrects for distortions introduced into the laser beam wavefronts by aberrations and time-varying phenomena internal to the laser. The improved laser includes a partially transmissive first reflecting element, an aperture stop, a lasing medium and a nonlinear phase conjugate reflecting device as the second reflecting element. During laser operation, aberrated wavefronts impinging upon the second reflecting element are reflected as the phase conjugate waveform thereof. The aperture stop restricts laser operation to the fundamental mode which allows only corrected, unaberrated waves to pass through the aperture stop and to subsequently exit the laser. Four embodiments are described utilizing stimulated Brillouin scattering (SBS), four-wave mixing, three-wave mixing and photon echo devices as the second reflecting element.

Abstract translation: 激光器，通过像差和激光器内部的时变现象自动校正引入激光束波前的失真。 改进的激光器包括部分透射的第一反射元件，孔径光阑，激光介质和作为第二反射元件的非线性相位共轭反射器件。 在激光操作期间，入射在第二反射元件上的像差波前被反射为其相位共轭波形。 孔径光阑将激光器操作限制为基本模式，其仅允许经校​​正的未预定波通过孔径光阑并随后退出激光。 使用受激布里渊散射（SBS），四波混频，三波混频和光子回波装置作为第二反射元件来描述四个实施例。

公开(公告)号：US20140104593A1

公开(公告)日：2014-04-17

申请号：US14050296

申请日：2013-10-09

Applicant: Naresh Satyan ,  Arseny Vasilyev ,  Amnon Yariv ,  George Rakuljic

Inventor： Naresh Satyan ,  Arseny Vasilyev ,  Amnon Yariv ,  George Rakuljic

IPC: G01S17/08

CPC classification number: G01S17/08 ,  G01S7/4911 ,  G01S7/4913 ,  G01S17/325 ,  G01S17/89

Abstract: A detection apparatus and method for FMCW LIDAR employ signals that are modified so that low-cost and low-speed photodetector arrays, such as CCD or CMOS cameras, can be employed for range detection. The LIDAR is designed to measure the range to one or more targets and includes a single mode swept frequency laser (SFL), whose optical frequency is varied with time, as a result of which, a target beam which is reflected back by the one or more targets is shifted in frequency from a reference beam by an amount that is proportional to the relative range to the one or more targets. The reflected target beam(s) is/are combined with the reference beam and detected by the photodetector array. In the case of a sparse number of targets to be detected, Compressive Sensing (CS) techniques can be employed by a processor to reduce the number of measurements necessary to determine the range of each target.

Abstract translation: 用于FMCW LIDAR的检测装置和方法采用被修改的信号，使得可以使用诸如CCD或CMOS照相机的低成本和低速光电检测器阵列进行范围检测。 激光雷达设计用于测量到一个或多个目标的范围，并且包括单频扫频激光器（SFL），其光频随时间变化，结果是由一个或多个目标光束反射的目标光束 更多的目标在频率上从参考光束移位的量与一个或多个目标的相对范围成比例。 反射的目标光束与参考光束组合并由光电检测器阵列检测。 在要检测的目标数量稀少的情况下，处理器可以使用压缩感测（CS）技术来减少确定每个目标的范围所需的测量次数。

公开(公告)号：US20140029893A1

公开(公告)日：2014-01-30

申请号：US13460638

申请日：2012-04-30

Applicant: Hsi-Chun Liu ,  Amnon Yariv

Inventor： Hsi-Chun Liu ,  Amnon Yariv

IPC: G02B6/26

CPC classification number: G02B6/2861 ,  G02B6/26 ,  G02B6/262 ,  G02B6/29338 ,  G02B6/29343 ,  G02B6/29383 ,  G02B6/29394 ,  G02B6/3596 ,  G02B27/0012

Abstract: Coupled-resonator optical waveguides (CROW) can be used to control a speed of an optical signal. In particular, the coupling distance between the resonators can be adjusted to precisely control a group delay of an optical wave. Systems and methods are described to control such coupling distance in a CROW.

Abstract translation: 耦合谐振器光波导（CROW）可用于控制光信号的速度。 特别地，可以调节谐振器之间的耦合距离以精确地控制光波的群延迟。 描述了系统和方法来控制CROW中的这种耦合距离。

公开(公告)号：US06999658B2

公开(公告)日：2006-02-14

申请号：US10610292

申请日：2003-06-30

Applicant: Shervin Taghavi-Larigani ,  Jakob J. Vanzyl ,  Amnon Yariv

Inventor： Shervin Taghavi-Larigani ,  Jakob J. Vanzyl ,  Amnon Yariv

IPC: G02B6/12 ,  H01S3/08 ,  H01S5/10

CPC classification number: H01S5/10 ,  G02B6/12007 ,  H01S5/026 ,  H01S5/1021 ,  H01S5/1028 ,  H01S5/1032 ,  H01S5/141

Abstract: The invention discloses a semi-ring Fabry-Perot (SRFP) optical resonator structure comprising a medium including an edge forming a reflective facet and a waveguide within the medium, the waveguide having opposing ends formed by the reflective facet. The performance of the SRFP resonator can be further enhanced by including a Mach-Zehnder interferometer in the waveguide on one side of the gain medium. The optical resonator can be employed in a variety of optical devices. Laser structures using at least one SRFP resonator are disclosed where the resonators are disposed on opposite sides of a gain medium. Other laser structures employing one or more resonators on one side of a gain region are also disclosed.

Abstract translation: 本发明公开了一种半环法布里 - 珀罗（SRFP）光学谐振器结构，其包括介质，该介质包括形成反射小面的边缘和介质内的波导，该波导具有由反射小面形成的相对端。 通过在增益介质的一侧的波导中包括马赫 - 曾德尔干涉仪可以进一步提高SRFP谐振器的性能。 光学谐振器可用于各种光学器件。 公开了使用至少一个SRFP谐振器的激光结构，其中谐振器设置在增益介质的相对侧。 还公开了在增益区域的一侧采用一个或多个谐振器的其它激光结构。

公开(公告)号：US06483956B1

公开(公告)日：2002-11-19

申请号：US09637480

申请日：2000-08-11

Applicant: Yaakov Shevy ,  Amnon Yariv ,  Dan Provenzano

Inventor： Yaakov Shevy ,  Amnon Yariv ,  Dan Provenzano

IPC: G02B600

CPC classification number: H01S3/131 ,  H01S3/1303 ,  H01S3/1305 ,  H01S5/0687

Abstract: Techniques and devices using a fiber cavity formed of two spaced fiber gratings to construct a laser frequency locker.

Abstract translation: 使用由两个隔开的光纤光栅形成的光纤腔的技术和设备来构造激光频率锁定器。

公开(公告)号：US06387593B1

公开(公告)日：2002-05-14

申请号：US09443035

申请日：1999-11-18

Applicant: Anthony S. Kewitsch ,  Amnon Yariv

Inventor： Anthony S. Kewitsch ,  Amnon Yariv

IPC: G03C500

CPC classification number: B82Y20/00 ,  G02B6/1221 ,  G02B6/1225 ,  G02B6/13 ,  G03F7/001 ,  G03F7/20 ,  Y10S430/146

Abstract: A polymer material is exposed to radiation of a type that changes some aspect of the polymer's radiation passing properties. The radiation that caused the property change is then contained by the material. The property change can be self-focusing or self-trapping light can be used. In that case, the same light that causes the photopolymerization is contained by the change in index of refraction that is caused by the polymerization.

Abstract translation: 将聚合物材料暴露于改变聚合物辐射通过性能的一些方面的类型的辐射。 导致属性变化的辐射然后被材料所包含。 属性变化可以是自聚焦，也可以使用自拍光。 在这种情况下，引起光聚合的相同的光被聚合引起的折射率的变化所包含。

公开(公告)号：US5916711A

公开(公告)日：1999-06-29

申请号：US947475

申请日：1997-10-10

Applicant: Boaz Salik ,  Amnon Yariv

Inventor： Boaz Salik ,  Amnon Yariv

IPC: G03F1/30 ,  G03F9/00

CPC classification number: G03F1/30

Abstract: A method of designing phase shifting masks with improved resolution. Auxiliary transmissive phase regions with properly selected locations and dimensions are introduced to eliminate unwanted interference patterns. A usual opaque region between the transmissive features that are phase-conflicting to one another is partially or entirely replaced with a transmissive region of an opposite phase with respect to the phase of the transmissive features. In positive photoresist layouts, the light-absorbing features are partially or entirely made transmissive while an opposite and uniform phase is maintained throughout the transmissive background. Segmenting features with at least one auxiliary phase region and adjusting attenuation of different features can further improve the performance.

Abstract translation: 一种改进分辨率设计相移掩模的方法。 引入具有适当选择的位置和尺寸的辅助透射相位区域以消除不需要的干涉图案。 相互相互冲突的透射特征之间的通常不透明区域部分地或全部地被相对于透射特征的相位的相反相位的透射区域替代。 在正光致抗蚀剂布局中，光吸收特征部分或完全透射，而在整个透射背景下保持相反且均匀的相。 具有至少一个辅助相位区域的分段特征和调整不同特征的衰减可以进一步提高性能。

公开(公告)号：US5805751A

公开(公告)日：1998-09-08

申请号：US703357

申请日：1996-08-26

Applicant: Anthony S. Kewitsch ,  George A. Rakuljic ,  Amnon Yariv

Inventor： Anthony S. Kewitsch ,  George A. Rakuljic ,  Amnon Yariv

IPC: G02B6/293 ,  G02B6/12 ,  G02B6/28 ,  G02B6/34 ,  H04J14/02 ,  G02B6/26

CPC classification number: G02B6/29334 ,  G02B6/02114 ,  G02B6/02133 ,  G02B6/02138 ,  G02B6/022 ,  G02B6/02204 ,  G02B6/12007 ,  G02B6/29383 ,  G02B6/02085 ,  G02B6/021 ,  G02B6/02109 ,  G02B6/02152 ,  G02B6/2835 ,  H04J14/0201 ,  H04J14/0206 ,  H04J14/0209 ,  H04J14/0213 ,  H04J14/0219

Abstract: A wavelength selective optical fiber coupler having various applications in the field of optical communications is disclosed. The coupler is composed of dissimilar waveguides in close proximity. A light induced, permanent index of refraction grating is recorded in the coupler waist. The grating filters and transfers energy within a particular range of wavelengths from a first waveguide to a second waveguide. Transversely asymmetric gratings provide an efficient means of energy transfer. The coupler can be used to combine or multiplex a plurality of lasers operating at slightly different wavelengths into a single fiber. Other embodiments such as a dispersion compensator and gain flattening filter are disclosed.

Abstract translation: 公开了一种在光通信领域具有各种应用的波长选择性光纤耦合器。 耦合器由相邻的不同波导组成。 光诱导的永久折射光栅被记录在耦合器的腰部。 光栅在从第一波导到第二波导的特定波长范围内对能量进行滤波和传递。 横向不对称光栅提供了有效的能量传递手段。 耦合器可用于将以稍微不同的波长工作的多个激光器组合或多路复用到单个光纤中。 公开了诸如色散补偿器和增益平坦化滤光器的其它实施例。

公开(公告)号：US5724269A

公开(公告)日：1998-03-03

申请号：US514626

申请日：1995-08-14

Applicant: Volnei A. Pedroni ,  Amnon Yariv

Inventor： Volnei A. Pedroni ,  Amnon Yariv

IPC: H03H17/02 ,  G06F17/00

CPC classification number: H03H17/0202

Abstract: A median circuit operates over a single-clock-cycle to determine the median of the group. Each value is compared with a plurality of other values. One of those other values become the eventual median. The possible median which is closest to all of the elements being compared is taken as the overall closest value and established as the median. Most specifically, this is done by applying the higher voltage of the pair to one end of a capacitor at the same time as a precharge. After the precharge is complete, the lower voltage of the pair is applied to the capacitor. The capacitor acts as a charge pump, lowering its other end by an amount proportional to the distance between the higher voltage of the pair and the lower voltage of the pair. A plurality of the capacitors are connected together, so that the output from the group of cells represents the average capacitors among all elements. The highest group represents the eventual median.

Abstract translation: 中值电路在单个时钟周期内工作，以确定组的中位数。 将每个值与多个其他值进行比较。 其中一个值成为最终的中位数。 最接近所有要比较的元素的可能中位数作为总体最接近的值，并被确定为中位数。 最具体地说，这是通过在预充电的同时将该对的较高电压施加到电容器的一端来完成的。 预充电完成后，该对的较低电压被施加到电容器。 电容器充当电荷泵，将其另一端的数量与成对的较高电压和对电压的较低电压之间的距离成正比。 多个电容器连接在一起，使得来自该单元组的输出表示所有元件之间的平均电容器。 最高组代表最终中位数。