公开(公告)号：US08351047B2

公开(公告)日：2013-01-08

申请号：US12921235

申请日：2008-03-07

Applicant: Tetsuya Kawanishi ,  Shinya Nakajima ,  Satoshi Shinada

Inventor： Tetsuya Kawanishi ,  Shinya Nakajima ,  Satoshi Shinada

IPC: G01B9/02

CPC classification number: G02F1/225 ,  G02F2001/212 ,  G02F2201/18 ,  G02F2203/69

Abstract: ProblemAn object is to provide a method for evaluating characteristics of individual Mach-Zehnder (MZ) interferometers in an optical modulator which includes a plurality of MZ interferometers,Means for Solving ProblemsThe method comprises a step for adjusting a bias voltage of the MZ interferometer, a step for eliminating zero-order components, a step for measuring an output intensity and a step for evaluating characteristics. An optical modulator (1) includes the first MZ interferometer (2) and the second MZ interferometer (3). The first MZ interferometer (2) includes wave-branching section (5). Two arms (6,7), wave coupling section (8) and electrodes which is not shown in figures.

Abstract translation: 问题目的是提供一种用于评估包括多个MZ干涉仪的光学调制器中的各个马赫 - 曾德（MZ）干涉仪的特性的方法，该方法包括用于调整MZ干涉仪偏置电压的步骤 消除零级分量的步骤，测量输出强度的步骤和用于评估特性的步骤。 光调制器（1）包括第一MZ干涉仪（2）和第二MZ干涉仪（3）。 第一MZ干涉仪（2）包括波分支部分（5）。 两个臂（6,7），波形耦合部分（8）和电极，未示于图中。

公开(公告)号：US20110007383A1

公开(公告)日：2011-01-13

申请号：US11763868

申请日：2007-06-15

Applicant: Ioan L. Gheorma ,  Ganesh K. Gopalakrishnan

Inventor： Ioan L. Gheorma ,  Ganesh K. Gopalakrishnan

IPC: G02F1/35

CPC classification number: G02F1/2255 ,  G02F2001/212 ,  G02F2201/18 ,  G02F2203/56

Abstract: A method and system for generating an optical frequency comb that employs a dual parallel modulator that inputs an optical signal at a center frequency of a desired optical frequency comb and an RF signal at a frequency corresponding to a desired spacing of the teeth of the optical frequency comb. The amplitudes of the teeth of the optical frequency comb are controlled by controlling the amplitudes of the two RF inputs to the DPM and the phase shift between the two RF inputs. In some embodiments, the three bias voltages for the three interferometers in the DPM are also controlled. In some embodiments, all three interferometers are all biased at the same point (e.g, quadrature). Preferably, but not necessarily, the three interferometers of the DPM are formed on a single substrate.

Abstract translation: 一种用于产生光频梳的方法和系统，其采用双并联调制器，其以期望的光频梳的中心频率输入光信号，并且以与频率的齿的期望间隔相对应的频率 梳。 通过控制DPM的两个RF输入的幅度和两个RF输入之间的相移来控制光频梳的齿的振幅。 在一些实施例中，还控制DPM中的三个干涉仪的三个偏置电压。 在一些实施例中，所有三个干涉仪都被偏置在同一点（例如正交）。 DPM的三个干涉仪优选但不是必须地形成在单个基板上。

公开(公告)号：US20100316326A1

公开(公告)日：2010-12-16

申请号：US12783966

申请日：2010-05-20

Applicant: Masaki SUGIYAMA

Inventor： Masaki SUGIYAMA

IPC: G02F1/035 ,  G02B6/12

CPC classification number: G02F1/035 ,  G02F1/225 ,  G02F2201/122 ,  G02F2201/18

Abstract: An optical device includes first and second optical modulators formed on a substrate having electro-optical effect. The first optical modulator includes a first optical waveguide; a first signal electrode configured to provide a first data signal for the first optical waveguide; and a first DC electrode, arranged at an output side of the first signal electrode, and configured to provide first DC voltage for the first optical waveguide. The second optical modulator includes a second optical waveguide; a second signal electrode configured to provide a second data signal for the second optical waveguide; and a second DC electrode provided, arranged at an input side of the second signal electrode, and configured to provide second DC voltage for the second optical waveguide. Input portions of the first and second signal electrodes are arranged at a same side edge of the substrate.

Abstract translation: 光学器件包括形成在具有电光效应的衬底上的第一和第二光学调制器。 第一光调制器包括第一光波导; 第一信号电极，被配置为提供第一光波导的第一数据信号; 以及第一直流电极，配置在第一信号电极的输出侧，构成为第一光波导提供第一直流电压。 第二光调制器包括第二光波导; 第二信号电极，被配置为为所述第二光波导提供第二数据信号; 以及第二直流电极，设置在所述第二信号电极的输入侧，并且被配置为为所述第二光波导提供第二直流电压。 第一和第二信号电极的输入部分布置在基板的相同的侧边缘处。

公开(公告)号：US07483609B2

公开(公告)日：2009-01-27

申请号：US10594929

申请日：2005-03-15

Applicant: Makoto Minakata

Inventor： Makoto Minakata

IPC: G02B6/00 ,  G02B6/04 ,  G02B6/06 ,  G02F1/01 ,  G02F1/035

CPC classification number: H04N5/33 ,  G02F1/3534 ,  G02F1/3558 ,  G02F1/365 ,  G02F2201/18 ,  H04N5/2251

Abstract: An image wavelength conversion device for converting an infrared light image into a visible light, a method of manufacturing the device, and an image conversion system using the device are provided. The image wavelength conversion device is formed by an optical waveguide array 3 in which one end and the other end of each of a multitude of quasi-phase-matching sum frequency generating optical waveguides are aligned in a two-dimensional plane. One plane of the optical waveguide array 3 forms an incident plane which includes respective waveguides as elements thereof, and the other plane of the optical waveguide array 3 forms an exit plane which includes waveguides corresponding to the waveguides of the incident plane as elements thereof. From an incident light (λ1) and an excitation light (λ2) incident to an arbitrary element of the incident plane, an output light (λ3) having the relationship of (λ1)−1+(λ2)−1=(λ3)−1 is generated in the corresponding waveguide element. λ1, λ2, and λ3 here represent the wavelength of the incident light, the wavelength of the excitation light, and the wavelength of the output light, respectively.

Abstract translation: 提供了一种用于将红外光图像转换为可见光的图像波长转换装置，制造该装置的方法以及使用该装置的图像转换系统。 图像波长转换装置由光波导阵列3形成，其中多个准相位匹配和频产生光波导中的每一个的一端和另一端在二维平面中排列。 光波导阵列3的一个平面形成入射平面，该入射平面包括各自的波导作为其元件，并且光波导阵列3的另一个平面形成出射平面，该出射平面包括对应于入射平面的波导的波导作为其元件。 从入射到入射平面的任意元素的入射光（λ1）和激发光（λ2），具有（λ1）-1 +（λ2）-1 =（λ3） - 1在相应的波导元件中产生。 λ1，λ2和λ3分别表示入射光的波长，激发光的波长和输出光的波长。

公开(公告)号：US07305160B2

公开(公告)日：2007-12-04

申请号：US11120751

申请日：2005-05-02

Applicant: Mahn Yong Park ,  Byoung Whi Kim

Inventor： Mahn Yong Park ,  Byoung Whi Kim

IPC: G02B6/28 ,  G02B6/34

CPC classification number: G02B6/138 ,  G02B6/12007 ,  G02B2006/12107 ,  G02F1/0147 ,  G02F2201/06 ,  G02F2201/16 ,  G02F2201/18 ,  G02F2201/307 ,  G02F2203/055 ,  G02F2203/585

Abstract: Disclosed herein is a tunable wavelength optical transmission module, the wavelength of which can be tuned over the wide wavelength region of a C band and which can be implemented at a low price and, thus, can be applied to an optical network terminal. Bragg gratings having different grating periods are arranged in parallel or series and the temperatures of Bragg grating regions are then controlled, so that the wavelength of an optical signal can be tuned over a wide wavelength range through the small variation in temperature.

Abstract translation: 这里公开了一种可调波长光传输模块，其波长可以在C波段的宽波长区域上调谐，并且可以以低价格实现，并且因此可以应用于光网络终端。 具有不同光栅周期的布拉格光栅被平行或串联布置，然后控制布拉格光栅区域的温度，使得光信号的波长可以通过较小的温度变化在宽波长范围内调谐。

公开(公告)号：US07061414B2

公开(公告)日：2006-06-13

申请号：US10771089

申请日：2004-02-03

Applicant: Young-Kai Chen ,  Andreas Leven ,  Kun-Yii Tu

Inventor： Young-Kai Chen ,  Andreas Leven ,  Kun-Yii Tu

IPC: H03M1/66

CPC classification number: G02F7/00 ,  G02F2201/18

Abstract: An optical digital-to-analog conversion is realized by employing either a continuous wave or pulsed laser optical signal. The laser optical signal is split into a plurality of mutually coherent optical beams, which are phase shift modulated by bits of a digital data sequence to be converted to an analog signal. The phase shift modulated optical beams are recombined to realize the desired digital-to-analog converted optical signal.

Abstract translation: 通过采用连续波或脉冲激光光信号实现光数字到模拟转换。 激光光信号被分割成多个相互相干的光束，它们被数字数据序列的位进行相移调制以转换成模拟信号。 相移调制光束被重组以实现期望的数模转换光信号。

公开(公告)号：US06833945B2

公开(公告)日：2004-12-21

申请号：US10045814

申请日：2002-01-15

Applicant: Joseph M. Fukumoto

Inventor： Joseph M. Fukumoto

IPC: G02F139

CPC classification number: G02F1/3551 ,  G02F1/3553 ,  G02F1/39 ,  G02F2201/16 ,  G02F2201/17 ,  G02F2201/18 ,  G02F2201/34 ,  G02F2203/05 ,  G02F2203/58 ,  H01S3/0809

Abstract: An arrangement (10) for efficiently generating tunable pulsed laser output at 8-12 microns. The arrangement (10) includes a laser (12), a first optical parametric oscillator (14) of unique design, and a second optical parametric oscillator (22). The first oscillator (14) is constructed with an energy shifting crystal (20) and first and second reflective elements (16) and (18) disposed on either side thereof. Energy from the laser (12) at a first wavelength is shifted by the crystal and output at a second wavelength. The second wavelength results from a secondary process induced by a primary emission of energy at a third wavelength, the third wavelength resulting from a primary process generated from the first wavelength in the crystal. Mirror coatings are applied on the reflective elements (16 and/or 18) for containing the primary emission and enhancing the secondary process. The second optical parametric oscillator (22) then shifts the energy output by the first OPO (14) at the second wavelength to the desired fourth wavelength.

Abstract translation: 一种用于有效地产生8-12微米可调脉冲激光输出的装置（10）。 该装置（10）包括激光器（12），独特设计的第一光学参量振荡器（14）和第二光学参量振荡器（22）。 第一振荡器（14）由能量转换晶体（20）和设置在其两侧的第一和第二反射元件（16）和（18）构成。 来自第一波长的激光器（12）的能量被晶体偏移并以第二波长输出。 第二波长是由第三波长的能量的初次发射引起的第二波长，由从晶体中的第一波长产生的初级波长产生的第三波长。 镜面涂层施加在反射元件（16和/或18）上，用于容纳主要发射并增强二次工艺。 然后，第二光学参量振荡器（22）将由第一OPO（14）输出的能量在第二波长处移位到期望的第四波长。

公开(公告)号：US06344920B1

公开(公告)日：2002-02-05

申请号：US09478229

申请日：2000-01-06

Applicant: Joseph M. Fukumoto

Inventor： Joseph M. Fukumoto

IPC: G02F139

CPC classification number: G02F1/39 ,  G02F1/3551 ,  G02F1/3553 ,  G02F2201/16 ,  G02F2201/17 ,  G02F2201/18 ,  G02F2201/34 ,  G02F2203/05 ,  G02F2203/58 ,  H01S3/0809

Abstract: An arrangement (10) for efficiently shifting energy received at a first wavelength and outputting the shifted energy at a second wavelength. The arrangement (10) includes a laser (12) and an optical parametric oscillator (14) of unique design. The oscillator (14) is constructed with a energy shifting crystal (20) and first and second reflective elements (16) and (18) disposed on either side thereof. Light from the laser (12) at a fundament frequency is shifted by the crystal and output at a second wavelength. The second wavelength is a primary emission and induces a secondary emission of energy in the crystal. A novel feature of the invention is a coating applied on the reflective elements (16 and/or 18) for minimizing the secondary emission. This constrains the energy to be output by the arrangement (10) at the wavelength of the desired primary emission. In the alternative, the arrangement (10) may be optimized to output one or more of the secondary emissions.

Abstract translation: 一种用于有效地移动以第一波长接收的能量并输出第二波长的移动的能量的装置（10）。 该装置（10）包括具有独特设计的激光器（12）和光学参数振荡器（14）。 振荡器（14）由能量转换晶体（20）和设置在其两侧的第一和第二反射元件（16）和（18）构成。 激光器（12）以基波频率的光被晶体偏移并以第二波长输出。 第二波长是主要发射，并在晶体中引起二次能量发射。 本发明的新颖特征是涂覆在反射元件（16和/或18）上用于最小化二次发射的涂层。 这限制了在所需的一次发射波长下由布置（10）输出的能量。 在替代方案中，布置（10）可以被优化以输出一个或多个二次排放。

公开(公告)号：US20170277931A1

公开(公告)日：2017-09-28

申请号：US15464642

申请日：2017-03-21

Applicant: Japan Display Inc.

Inventor： Toshinori Uehara ,  Hiroshi Mizuhashi ,  Toshio Soya

IPC: G06K9/00 ,  G02F1/1333 ,  G02F1/133 ,  G02F1/1362 ,  G02F1/1368

CPC classification number: G06K9/0002 ,  G02F1/13306 ,  G02F1/13338 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2201/121 ,  G02F2201/123 ,  G02F2201/18 ,  G06F3/0412 ,  G06F3/044 ,  G06F2203/04107 ,  G06K9/209

Abstract: According to one embodiment, a sensor-equipped display device includes a scanning line, a signal line, a pixel switch, a pixel electrode, a first common electrode, a detection electrode, a current mirror circuit, and an integrator. The integrator includes an operational amplifier including an inverting input terminal and a noninverting input terminal.

公开(公告)号：US09696485B2

公开(公告)日：2017-07-04

申请号：US14333230

申请日：2014-07-16

Applicant: Oplink Communications, LLC

Inventor： Hongwei Mao ,  Zhongsheng Wang ,  Guijun Ji ,  Jinyuan Qiao ,  Tian Zhu ,  Lifu Gong

IPC: G02B6/10 ,  G02F1/09 ,  G02B27/28 ,  G02B6/27 ,  G02B6/32

CPC classification number: G02B6/105 ,  G02B6/2746 ,  G02B6/32 ,  G02B27/285 ,  G02F1/093 ,  G02F2201/18 ,  G02F2203/06

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for optical communications. In one aspect, an optical circulator array includes a plurality of stacked three port circulators each having a respective first port of a first port array, a respective second port of a second port array, and a respective third port of a third port array, wherein each of the plurality of stacked three port circulators share optical components including: a first Wollaston prism coupled to the first port array, a first lens, a first half wave plate, a polarization dependent beam path separator, a second half wave plate, a second lens, a propagation direction dependent polarization rotation assembly, a second Wollaston prism coupled to the second port array, and a third Wollaston prism coupled to the third port array.