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1. 发明授权

US5422873A Multiplexing and selective updatable fixing and erasing of volume holograms in photorefractive media and second harmonic generation in photorefractive media by optically induced periodic poling 失效
$Multiplexing and selective updatable fixing and erasing of volume holograms in photorefractive media and second harmonic generation in photorefractive media by optically induced periodic poling$
标题翻译：光折射介质中体积全息图的复用和选择性可更新固定和擦除，光折射介质中的二次谐波生成
公开(公告)号：US5422873A
公开(公告)日：1995-06-06
申请号：US37076
申请日：1993-03-25
申请人： Anthony S. Kewitsch , Mordechai Segev , Amnon Yariv
发明人： Anthony S. Kewitsch , Mordechai Segev , Amnon Yariv
IPC分类号： G03H1/26 , G11C13/04 , G11B7/00
CPC分类号： G11C13/042 , G03H1/2645 , G03H1/0248 , G03H2001/0268 , G03H2001/2615 , G03H2260/35
摘要： New methods are presented for multiplexing volume holograms in electrooptic materials. Multiple volume holograms can be superimposed in a medium and be individually addressed by tuning the underlying refractive index of the medium or the crystal parameters, while keeping the external parameters (wavelength, angles) fixed. According to the presented methods, the refractive index and crystal parameters of the material can be varied via the electrooptic, elastooptic or piezoelectric effects, alone or in combination with each other, by tuning the value of an applied electric field, or by tuning an applied mechanical stress, or by changing the material temperature. Volume holograms that have been multiplexed by either wavelength or angle or electric field or mechanical stress or temperature can be individually addressed by any one of the same five parameters. Additionally, selective, updatable fixing and erasing of volume holograms in photorefractive media is described. Each holographic page may be fixed individually and overwritten without destroying the other fixed pages. Further, Second Harmonic Generation and Parametric Amplification by optically induced periodic poling in ferroelectric photorefractive materials is described.
摘要翻译：提出了新的电光学材料中多重体积全息图的方法。多个体积全息图可以叠加在介质中，并通过调节介质的潜在折射率或晶体参数，同时保持外部参数（波长，角度）固定而单独寻址。根据所提出的方法，材料的折射率和晶体参数可以通过电光，弹性或压电效应单独或彼此组合，通过调节所施加的电场的值，或通过调谐施加的机械应力，或通过改变材料温度。通过波长或角度或电场或机械应力或温度复用的体积全息图可以通过相同的五个参数中的任何一个来单独寻址。另外，描述了在光折射介质中的体积全息图的选择性，可更新的固定和擦除。每个全息页可以单独固定和重写，而不会破坏其他固定页。此外，描述了在铁电光折变材料中的光诱导周期极化的第二谐波产生和参数放大。

2. 发明授权

US06289699B1 Wavelength selective optical couplers 失效
标题翻译：波长选择光耦合器
公开(公告)号：US06289699B1
公开(公告)日：2001-09-18
申请号：US09035919
申请日：1998-03-06
申请人： Anthony S. Kewitsch , George A. Rakuljic , Amnon Yariv
发明人： Anthony S. Kewitsch , George A. Rakuljic , Amnon Yariv
IPC分类号： C03B3715
CPC分类号： G02B6/29334 , G02B6/02085 , G02B6/021 , G02B6/02109 , G02B6/02114 , G02B6/02133 , G02B6/02138 , G02B6/02152 , G02B6/022 , G02B6/02204 , G02B6/12007 , G02B6/2835 , G02B6/29383 , H04J14/0201 , H04J14/0206 , H04J14/0209 , H04J14/0213 , H04J14/0219
摘要： 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.
摘要翻译：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。光诱导的永久折射率光栅被记录在耦合器腰部中。光栅在从第一波导到第二波导的特定波长范围内过滤和传递能量。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。

3. 发明授权

US06387593B1 Self-trapping and self-focusing of optical beams in photopolymers 有权
标题翻译：光束在光聚合物中的自陷和自聚焦
公开(公告)号：US06387593B1
公开(公告)日：2002-05-14
申请号：US09443035
申请日：1999-11-18
申请人： Anthony S. Kewitsch , Amnon Yariv
发明人： Anthony S. Kewitsch , Amnon Yariv
IPC分类号： G03C500
CPC分类号： B82Y20/00 , G02B6/1221 , G02B6/1225 , G02B6/13 , G03F7/001 , G03F7/20 , Y10S430/146
摘要： 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.
摘要翻译：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。

4. 发明授权

US5805751A Wavelength selective optical couplers 失效
标题翻译：波长选择光耦合器
公开(公告)号：US5805751A
公开(公告)日：1998-09-08
申请号：US703357
申请日：1996-08-26
申请人： Anthony S. Kewitsch , George A. Rakuljic , Amnon Yariv
发明人： Anthony S. Kewitsch , George A. Rakuljic , Amnon Yariv
IPC分类号： G02B6/293 , G02B6/12 , G02B6/28 , G02B6/34 , H04J14/02 , G02B6/26
CPC分类号： 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
摘要： 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.
摘要翻译：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。

5. 发明授权

US06274288B1 Self-trapping and self-focusing of optical beams in photopolymers 失效
标题翻译：光束在光聚合物中的自陷和自聚焦
公开(公告)号：US06274288B1
公开(公告)日：2001-08-14
申请号：US08981181
申请日：1998-07-16
申请人： Anthony S. Kewitsch , Amnon Yariv
发明人： Anthony S. Kewitsch , Amnon Yariv
IPC分类号： G11B70045
CPC分类号： B82Y20/00 , G02B6/1221 , G02B6/1225 , G02B6/13 , G03F7/001 , G03F7/20 , Y10S430/146
摘要： 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.
摘要翻译：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。

6. 发明授权

US06201909B1 Wavelength selective optical routers 失效
标题翻译：波长选择性光路由器
公开(公告)号：US06201909B1
公开(公告)日：2001-03-13
申请号：US09210844
申请日：1998-12-15
申请人： Anthony S. Kewitsch , George A. Rakuljic , Amnon Yariv
发明人： Anthony S. Kewitsch , George A. Rakuljic , Amnon Yariv
IPC分类号： G02B634
CPC分类号： G02B6/29334 , G02B6/02085 , G02B6/02109 , G02B6/02114 , G02B6/02138 , G02B6/02152 , G02B6/022 , G02B6/02204 , G02B6/12007 , G02B6/2835 , G02B6/29343 , G02B6/29383 , G02B6/29395 , G02F1/3131 , G02F1/3132 , G02F2201/307 , G02F2203/055 , H04J14/0206 , H04J14/0209 , H04J14/021 , H04J14/0212 , H04J14/0213 , H04J14/0219 , H04J14/0221
摘要： Using the wavelength selectivity and low loss characteristics of optical couplers, in which index of refraction gratings in a non-evanescent waveguide merged region reflect only a selected wavelength band, signal switching and control systems of novel characteristics are provided for multi-wavelength optical communication systems. In a router, for example, selected wavelengths or wavelength bands on an add/drop line can be added to or dropped from a main fiber, by cross switching between wavelength selective loops disposed sequentially in the lines. In a collector box, as another example, selected wavelength bundles can be routed from one fiber onto multiple fibers. In a bandpass filter a selected wavelength band is transmitted with low loss while those wavelengths outside the selected wavelength band are rejected with very high loss.
摘要翻译：利用光学耦合器的波长选择性和低损耗特性，其中非消逝波导合并区域中的折射率光栅仅反射所选择的波长带，为多波长光通信系统提供了新颖特性的信号切换和控制系统。在路由器中，例如，可以通过在线路中顺序布置的波长选择性循环之间的交叉切换，将添加/分出线上的选定波长或波长带添加到主光纤或从主光纤掉落。在收集箱中，作为另一示例，所选波长束可以从一根光纤路由到多条光纤上。在带通滤波器中，以低损耗传输所选择的波段，而以非常高的损耗拒绝所选波长带外的那些波长。

7. 发明授权

US5875272A Wavelength selective optical devices 失效
标题翻译：波长选择光学器件
公开(公告)号：US5875272A
公开(公告)日：1999-02-23
申请号：US738068
申请日：1996-10-25
申请人： Anthony S. Kewitsch , George A. Rakuljic , Amnon Yariv
发明人： Anthony S. Kewitsch , George A. Rakuljic , Amnon Yariv
IPC分类号： G02B26/00 , G02B6/12 , G02B6/28 , G02B6/287 , G02B6/293 , G02B6/34 , G02F1/01 , G02F1/313 , H01S3/06
CPC分类号： G02F1/3132 , G02B6/02114 , G02B6/02133 , G02B6/02138 , G02B6/022 , G02B6/02204 , G02B6/12007 , G02B6/29334 , G02B6/29383 , G02B6/29395 , G02B6/02085 , G02B6/02109 , G02B6/02152 , G02B6/2835 , G02B6/29322 , G02F2203/585
摘要： Wavelength selective devices and subsystems having various applications in the field of optical communications are disclosed. These devices and subsystems are composed of bi-directional grating assisted mode couplers. The high add/drop efficiency and low loss of this coupler enable low loss wavelength selective elements such as optical switches, amplifiers, routers, and sources to be fabricated. The grating assisted mode coupler can be wavelength tuned by modifying the optical properties of the coupler interaction region. A programmable, wavelength selective router composed of multiple grating assisted mode couplers is also disclosed.
摘要翻译：公开了在光通信领域具有各种应用的波长选择装置和子系统。这些设备和子系统由双向光栅辅助模式耦合器组成。该耦合器的高加/减效率和低损耗使低损耗波长选择元件（如光开关，放大器，路由器和待制造的源）成为可能。光栅辅助模耦合器可以通过改变耦合器相互作用区域的光学特性进行波长调谐。还公开了由多个光栅辅助模式耦合器组成的可编程波长选择性路由器。

8. 发明授权

US09164236B2 Methods and systems for delaying optical waves 有权
标题翻译：延迟光波的方法和系统
公开(公告)号：US09164236B2
公开(公告)日：2015-10-20
申请号：US13460638
申请日：2012-04-30
申请人： Hsi-Chun Liu , Amnon Yariv
发明人： Hsi-Chun Liu , Amnon Yariv
IPC分类号： G02B6/26 , G02B6/28 , G02B6/293 , G02B6/35
CPC分类号： G02B6/2861 , G02B6/26 , G02B6/262 , G02B6/29338 , G02B6/29343 , G02B6/29383 , G02B6/29394 , G02B6/3596 , G02B27/0012
摘要： 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.
摘要翻译：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。

9. 发明申请

US20120262721A1 Arbitrary Optical Waveform Generation Utilizing Optical Phase-Locked Loops 有权
标题翻译：使用光锁相环的任意光波生成
公开(公告)号：US20120262721A1
公开(公告)日：2012-10-18
申请号：US13451489
申请日：2012-04-19
申请人： George Rakuljic , Naresh Satyan , Arseny Vasilyev , Amnon Yariv
发明人： George Rakuljic , Naresh Satyan , Arseny Vasilyev , Amnon Yariv
IPC分类号： G01B9/02
CPC分类号： G01D5/268 , G01D5/266 , G01S7/4911 , G02F1/3536 , G02F1/365 , G02F2001/212 , G02F2201/205 , G02F2201/58 , G02F2202/108 , G02F2203/13 , H01S5/0687
摘要： This invention relates to opto-electronic systems using semiconductor lasers driven by optical phase-locked loops that control the laser's optical phase and frequency. Feedback control provides a means for precise, wideband control of optical frequency and phase, augmented further by four wave mixing stages and digitally stitched independent optical waveforms for enhanced tunability.
摘要翻译：本发明涉及使用由控制激光器的光学相位和频率的光学锁相环驱动的半导体激光器的光电子系统。反馈控制提供了一种用于精确，宽频带控制光频率和相位的手段，进一步通过四个波混频阶段和数字缝合的独立光波形进一步增强，以增强可调性。

10. 发明申请

US20100085992A1 Arbitrary Optical Waveform Generation Utilizing Optical Phase-Locked Loops 有权
标题翻译：使用光锁相环的任意光波生成
公开(公告)号：US20100085992A1
公开(公告)日：2010-04-08
申请号：US12540643
申请日：2009-08-13
申请人： George Rakuljic , Naresh Satyan , Arseny Vasilyev , Amnon Yariv
发明人： George Rakuljic , Naresh Satyan , Arseny Vasilyev , Amnon Yariv
IPC分类号： H01S3/10
CPC分类号： G01D5/268 , G01D5/266 , G01S7/4911 , G02F1/3536 , G02F1/365 , G02F2001/212 , G02F2201/205 , G02F2201/58 , G02F2202/108 , G02F2203/13 , H01S5/0687
摘要： This invention relates to opto-electronic systems using semiconductor lasers driven by optical phase-locked loops that control the laser's optical phase and frequency. Feedback control provides a means for precise, wideband control of optical frequency and phase, augmented further by four wave mixing stages and digitally stitched independent optical waveforms for enhanced tunability.
摘要翻译：本发明涉及使用由控制激光器的光学相位和频率的光学锁相环驱动的半导体激光器的光电子系统。反馈控制提供了一种用于精确，宽频带控制光频率和相位的手段，进一步通过四个波混频阶段和数字缝合的独立光波形进一步增强，以增强可调性。

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