公开(公告)号：US20010021294A1

公开(公告)日：2001-09-13

申请号：US09827819

申请日：2001-04-06

Applicant: University of Southern California, non-profit organization

Inventor： Jinxing Cai ,  Sanggeon Lee ,  Kai-Ming Feng ,  Alan E. Willner ,  Jiangde Peng ,  Reza Khosravani

IPC: G02B006/34

CPC classification number: G02B6/29322 ,  G02B6/02085 ,  G02B6/02109 ,  G02B6/02138 ,  G02B6/022 ,  G02B6/2932 ,  G02B6/29394 ,  G02B6/29395 ,  G02B6/4215 ,  G02F1/011 ,  G02F1/0115 ,  G02F1/0126 ,  G02F1/0134 ,  G02F2201/307 ,  H01S3/0057 ,  H04B10/2519 ,  H04B2210/258

Abstract: Techniques and devices based on a wave-guiding element which has a spatial grating pattern that is an oscillatory variation along its optic axis. The wave-guiding element is configured to receive an input optical signal and to produce an output optical signal by reflection within a Bragg reflection band produced by the spatial grating pattern so as to produce time delays of different reflected spectral components as a nonlinear function of spatial positions along said optic axis at which the different reflected spectral components are respectively reflected. Such a wave-guiding element may be a nonlinearly chirped fiber grating A control unit may be engaged to the wave-guiding element and is operable to change a property of the spatial grating pattern along the optic axis to tune at least relative time delays of the different reflected spectral components nonlinearly with respect to wavelength.

Abstract translation: 基于波导元件的技术和装置，其具有沿其光轴的振荡变化的空间光栅图案。 波导元件被配置为接收输入光信号并且通过由空间光栅图案产生的布拉格反射带内的反射产生输出光信号，以便产生不同反射光谱分量的时间延迟作为空间的非线性函数 沿着所述光轴的位置分别反射不同的反射光谱分量。 这种波导元件可以是非线性啁啾光纤光栅。控制单元可以接合到波导元件，并且可操作以改变沿着光轴的空间光栅图案的特性，以调谐至少相对于时间延迟的 不同的反射光谱分量相对于波长非线性。

公开(公告)号：US06278821B1

公开(公告)日：2001-08-21

申请号：US09374738

申请日：1999-08-13

Applicant: Joel P. Carberry ,  Mark F. Krol ,  William J. Miller ,  Mark L. Morrell

Inventor： Joel P. Carberry ,  Mark F. Krol ,  William J. Miller ,  Mark L. Morrell

IPC: G02B626

CPC classification number: G02B6/29353 ,  G02B6/0218 ,  G02B6/02204 ,  G02B6/2835 ,  G02B6/29383 ,  G02B6/29398 ,  G02F1/3136 ,  G02F2201/307 ,  G02F2203/055 ,  G02F2203/585

Abstract: A Mach-Zehnder interferometer for performing an optical function on a plurality of optical fibers is provided. The interferometer includes a first cane segment surrounding the optical fibers. The first cane segment forms a first optical coupling region. The interferometer also includes a second cane segment surrounding the optical fibers. The second cane segment forms a second optical coupling region. A phase shift region is formed by a discontinuity between the first and second cane segments for exposing the optical fibers. The optical fibers are suspended between the first and second cane segments within the phase shift region. A substrate is provided for supporting the optical fibers within the phase shift region.

Abstract translation: 提供了一种用于在多根光纤上执行光学功能的马赫 - 曾德干涉仪。 干涉仪包括围绕光纤的第一拐杖段。 第一甘蔗段形成第一光耦合区域。 干涉仪还包括围绕光纤的第二甘蔗段。 第二甘蔗段形成第二光耦合区域。 相移区域由第一和第二拐点部分之间的不连续部分形成，用于露出光纤。 光纤悬浮在相移区域内的第一和第二拐点段之间。 提供了用于在相移区域内支撑光纤的基板。

公开(公告)号：US06167169A

公开(公告)日：2000-12-26

申请号：US193598

申请日：1998-11-17

Applicant: Michael J. Brinkman ,  William K. Bischel

Inventor： Michael J. Brinkman ,  William K. Bischel

IPC: G02F1/01 ,  G02F1/35 ,  G02F1/355 ,  G02F1/377 ,  G09F9/305 ,  G02F1/295 ,  G02B6/12

CPC classification number: G02F1/011 ,  G02F1/3558 ,  G02F1/377 ,  G02F2201/30 ,  G02F2201/305 ,  G02F2201/307 ,  G09F9/305 ,  Y10S385/901

Abstract: A method of scanning a plurality of display elements or pixels of a display and an apparatus capable of performing the method of scanning, allow energy propagating along a primary path to be diverted sequentially by a series of energy diverting devices to a plurality of secondary paths in a scanning direction depending upon the finite turn-on and turn-off times of the energy diverting devices.

Abstract translation: 一种扫描显示器的多个显示元件或像素的方法以及能够执行扫描方法的装置，允许沿着主路径传播的能量被一系列能量转向装置顺序地转移到多个次要路径中 取决于能量转向装置的有限开启和关闭时间的扫描方向。

公开(公告)号：US6097862A

公开(公告)日：2000-08-01

申请号：US151794

申请日：1998-09-11

Applicant: Anatoli A. Abramov ,  Benjamin John Eggleton ,  Rolando Patricio Espindola ,  Arturo Hale

Inventor： Anatoli A. Abramov ,  Benjamin John Eggleton ,  Rolando Patricio Espindola ,  Arturo Hale

IPC: H01S3/06 ,  G02B6/00 ,  G02B6/02 ,  G02B6/34 ,  G02F1/01 ,  H01S3/067 ,  H01S3/10 ,  H04B10/16 ,  H04B10/17

CPC classification number: G02B6/02204 ,  G02B6/02123 ,  G02F1/0115 ,  H01S3/06758 ,  H04B10/2941 ,  G02B6/02104 ,  G02F1/0147 ,  G02F2201/307 ,  H01S2301/04

Abstract: In accordance with the invention, a reconfigurable optical fiber grating comprises an optical fiber grating with a temperature sensitive material surrounding the cladding region or incorporated into the cladding region. One or more heating elements are arranged to produce a a temperature gradient along the length of the grating and thereby chirp the grating. In a preferred embodiment, a long period fiber grating is surrounded by a material in which dn/dT is 10 times as large as that of glass and in which n is close to but lower than that of the glass. A temperature gradient along the length of the grating results in a broadening of the resonance.

Abstract translation: 根据本发明，可重构光纤光栅包括具有围绕包层区域或结合到包层区域的温度敏感材料的光纤光栅。 一个或多个加热元件布置成沿着光栅的长度产生温度梯度，从而使光栅啁啾。 在一个优选实施例中，长周期光纤光栅由dn / dT为玻璃的10倍的材料围绕，其中n接近但低于玻璃的材料。 沿着光栅长度的温度梯度导致共振的扩大。

公开(公告)号：US06035089A

公开(公告)日：2000-03-07

申请号：US872884

申请日：1997-06-11

Applicant: Eric B. Grann ,  David N. Sitter, Jr.

Inventor： Eric B. Grann ,  David N. Sitter, Jr.

IPC: G02B5/18 ,  G02B5/20 ,  G02B6/12 ,  G02B6/124 ,  G02F1/035 ,  G02B6/10

CPC classification number: G02B6/12007 ,  G02B5/1809 ,  G02B5/203 ,  G02B6/124 ,  G02F1/035 ,  G02B2006/12107 ,  G02B2006/12109 ,  G02F2201/307 ,  G02F2203/055

Abstract: A resonant grating structure in a waveguide and methods of tuning the performance of the grating structure are described. An apparatus includes a waveguide; and a subwavelength resonant grating structure embedded in the waveguide. The systems and methods provide advantages including narrowband filtering capabilities, minimal sideband reflections, spatial control, high packing density, and tunability.

Abstract translation: 描述了波导中的谐振光栅结构以及调整光栅结构性能的方法。 一种装置包括：波导; 以及嵌入在波导中的亚波长谐振光栅结构。 该系统和方法提供了窄带滤波能力，边带反射最小，空间控制，高封装密度和可调性等优点。

公开(公告)号：US5987200A

公开(公告)日：1999-11-16

申请号：US957953

申请日：1997-10-27

Applicant: Debra Anne Fleming ,  Sungho Jin ,  David Wilfred Johnson, Jr. ,  Paul Joseph Lemaire ,  Thomas H. Tiefel, deceased

Inventor： Debra Anne Fleming ,  Sungho Jin ,  David Wilfred Johnson, Jr. ,  Paul Joseph Lemaire ,  Thomas H. Tiefel, deceased

IPC: G02B6/34 ,  G02F1/01 ,  H04J14/00

CPC classification number: G02B6/2932 ,  G02B6/02204 ,  G02B6/29322 ,  G02B6/29383 ,  G02B6/29395 ,  G02F1/0147 ,  G02F2201/307

Abstract: A tunable fiber grating comprises a temperature-sensitive body secured to a fiber having a fiber grating region for transmitting thermally-induced strain to the grating. The amount of strain and hence the degree of wavelength tuning are controlled by adjusting the temperature of the temperature-sensitive body, wherein the extent of adjustment is preferably pre-determined according to feedback from a wavelength detector. Large thermal strains obtainable with the present invention allow a wide range of wavelength tuning with a relatively small and convenient temperature change near ambient temperature. In a preferred embodiment, the temperature-sensitive body is cylindrical and comprised of a nickel-titanium alloy bonded to the grating. In alternative arrangements, the thermal strain effect can be amplified. An add/drop multiplexer employing the tunable gratings is also described.

Abstract translation: 可调光纤光栅包括固定到具有用于将热致应变传递到光栅的光纤光栅区域的光纤的感温体。 通过调节温度敏感体的温度来控制应变量和因此的波长调谐程度，其中调节范围优选根据来自波长检测器的反馈来预先确定。 通过本发明可获得的大的热应变允许在环境温度附近具有相对较小且方便的温度变化的宽范围的波长调谐。 在优选实施例中，感温体是圆柱形的并且由结合到光栅的镍 - 钛合金构成。 在替代布置中，可以放大热应变效应。 还描述了采用可调谐光栅的分插复用器。

公开(公告)号：US5982963A

公开(公告)日：1999-11-09

申请号：US27345

申请日：1998-02-20

Applicant: Kai-Ming Feng ,  Jin-Xing Cai ,  Alan Eli Willner ,  Victor Grubsky ,  Dmtry Starodubov ,  Jack Feinberg

Inventor： Kai-Ming Feng ,  Jin-Xing Cai ,  Alan Eli Willner ,  Victor Grubsky ,  Dmtry Starodubov ,  Jack Feinberg

IPC: G02B26/00 ,  G02B6/02 ,  G02F1/01 ,  H01S3/00 ,  H01S3/30 ,  H01S5/14 ,  H04B10/02 ,  H04B10/18 ,  G02B6/34

CPC classification number: G02B6/02085 ,  G02F1/011 ,  G02F1/0115 ,  G02F1/0134 ,  H01S3/0057 ,  H04B10/2519 ,  G02B6/02138 ,  G02B6/022 ,  G02F1/0126 ,  G02F2201/307

Abstract: A nonlinearly chirped fiber grating for achieving tunable dispersion compensation, chirp reduction in directly modulated diode lasers, and optical pulse manipulation. A dynamical dispersion compensation mechanism can be implemented in a fiber communication system based on such a nonlinearly chirped fiber grating.

Abstract translation: 用于实现可调谐色散补偿的非线性啁啾光纤光栅，直接调制二极管激光器中的啁啾抑制以及光脉冲操作。 可以在基于这种非线性啁啾光纤光栅的光纤通信系统中实现动态色散补偿机制。

公开(公告)号：US5978524A

公开(公告)日：1999-11-02

申请号：US876921

申请日：1997-06-16

Applicant: William K. Bischel ,  Michael J. Brinkman ,  David A. G. Deacon ,  Edward J. DeWath ,  Mark J. Dyer ,  Simon J. Field

Inventor： William K. Bischel ,  Michael J. Brinkman ,  David A. G. Deacon ,  Edward J. DeWath ,  Mark J. Dyer ,  Simon J. Field

IPC: G02F1/035 ,  G02B6/12 ,  G02F1/01 ,  G02F1/29 ,  G02F1/35 ,  G02F1/355 ,  G02F1/37 ,  G02F1/377 ,  G09F9/305 ,  G02F1/295

CPC classification number: G09F9/305 ,  G02F1/011 ,  G02F1/377 ,  G02F1/3558 ,  G02F2201/30 ,  G02F2201/305 ,  G02F2201/307 ,  Y10S385/901

Abstract: A flat panel display is based on a new switching technology for routing laser light among a set of optical waveguides and coupling that light toward the viewer. The switching technology is based on poled electro-optical structures. The display technology is versatile enough to cover application areas spanning the range from miniature high resolution computer displays to large screen displays for high definition television formats. The invention combines the high brightness and power efficiency inherent in visible semiconductor diode laser sources with a new waveguide electro-optical switching technology to form a dense two-dimensional addressable array of high brightness light emissive pixels.

Abstract translation: 平板显示器基于用于在一组光波导中布置激光并将光耦合到观看者的新的切换技术。 开关技术基于极化电光结构。 显示技术具有足够的功能，涵盖了从微型高分辨率计算机显示器到高清晰度电视格式的大屏幕显示器的应用领域。 本发明将可见半导体二极管激光源固有的高亮度和功率效率与新的波导电光切换技术相结合，以形成高亮度发光像素的致密二维可寻址阵列。

公开(公告)号：US5911018A

公开(公告)日：1999-06-08

申请号：US972673

申请日：1997-11-18

Applicant: William K. Bischel ,  Michael J. Brinkman ,  David A.G. Deacon ,  Edward J. DeWath ,  Mark J. Dyer ,  Simon J. Field

Inventor： William K. Bischel ,  Michael J. Brinkman ,  David A.G. Deacon ,  Edward J. DeWath ,  Mark J. Dyer ,  Simon J. Field

IPC: G02B6/12 ,  G02F1/01 ,  G02F1/35 ,  G02F1/355 ,  G02F1/377 ,  G09F9/305 ,  G02B6/26

CPC classification number: G09F9/305 ,  G02F1/011 ,  G02F1/377 ,  G02F1/3558 ,  G02F2201/30 ,  G02F2201/305 ,  G02F2201/307

Abstract: An extremely low-loss optical switch element includes a first waveguide segment having first and second regions longitudinally-adjacent with each other and having an index of refraction difference which is greater when the switch element is in an "on" state than when it is in an "off" state. The two regions have a common boundary which is oriented at an angle in the first waveguide so as to redirect optical energy through total internal reflection when the switch element is in the "on" state. The switch element further includes a second waveguide segment spaced from the first waveguide segment and disposed and oriented to guide optical energy redirected from the first waveguide segment when the switch element is in the "on" state.

Abstract translation: 一种极低损耗的光开关元件包括：第一波导段，其具有彼此纵向相邻的第一和第二区域，并且具有当开关元件处于处于“接通”状态时比其处于“接通”状态时更大的折射率差 一个“关”状态。 两个区域具有在第一波导中以一定角度定向的公共边界，以便当开关元件处于“接通”状态时，通过全内反射重定向光能。 所述开关元件还包括与所述第一波导段间隔开的第二波导段，并且当所述开关元件处于“导通”状态时，所述第二波导段被布置和定向成引导从所述第一波导段重定向的光能。

公开(公告)号：US5903683A

公开(公告)日：1999-05-11

申请号：US927410

申请日：1997-09-10

Applicant: Curtis Wayne Lowry

Inventor： Curtis Wayne Lowry

IPC: G02B6/12 ,  G02B6/14 ,  G02B6/28 ,  G02B6/34 ,  G02F1/01 ,  H04B10/18 ,  H04B10/00

CPC classification number: H04B10/2519 ,  G02B6/14 ,  G02B6/2861 ,  G02F1/011 ,  G02B2006/12107 ,  G02B6/02076 ,  G02F2201/307

Abstract: The present invention is a device for adding delay and compensating for dispersion in an optical signal. In a first embodiment, the present invention is made up of a waveguide, preferably an optical fiber, having two or more forward-reflecting gratings for separating an optical signal into user-selected wavelength portions to be propagated in different propagation modes and then recombining them to achieve the desired result. In another embodiment, the present invention is a waveguide, preferably an optical fiber, having three or more gratings where the gratings may be forward-diffracting or backward-reflecting for extending the capability of the first embodiment.

Abstract translation: 本发明是用于在光信号中增加延迟和补偿色散的装置。 在第一实施例中，本发明由具有两个或更多个前向反射光栅的波导（优选光纤）组成，用于将光信号分离成用户选择的波长部分，以在不同的传播模式中传播，然后将它们重组 达到预期效果。 在另一个实施例中，本发明是具有三个或更多个光栅的波导，优选光纤，其中光栅可以是前向衍射或反向反射，以扩展第一实施例的能力。