Optical module including semiconductor optical modulator
    1.
    发明授权
    Optical module including semiconductor optical modulator 有权
    光模块包括半导体光调制器

    公开(公告)号:US09473245B2

    公开(公告)日:2016-10-18

    申请号:US14389705

    申请日:2014-02-28

    摘要: An optical module that processes an input optical signal and outputs a processed optical signal is disclosed. The optical module provides a housing and an optical processing device in the housing. The housing provides an optical input port and an optical output port in a first wall thereof in side-by-side arrangement. A third wall of the housing only provides RF terminals. Second and fourth walls of the housing provide DC terminals. Electrical connection between the DC terminals with DC pads on the device is realized through a wiring substrate whose top avoids an optical path from the optical input port to the input port of the device.

    摘要翻译: 公开了一种处理输入光信号并输出​​经处理的光信号的光模块。 光学模块在壳体中提供壳体和光学处理装置。 壳体并排布置在其第一壁中提供光学输入端口和光学输出端口。 外壳的第三个墙壁只提供射频终端。 外壳的第二和第四壁提供直流端子。 通过布线基板实现具有设备上的DC焊盘的DC端子之间的电连接,其布线基板避免了从光输入端口到设备的输入端口的光路。

    DUAL STATIC ELECTRO-OPTICAL PHASE SHIFTER HAVING TWO CONTROL TERMINALS
    2.
    发明申请
    DUAL STATIC ELECTRO-OPTICAL PHASE SHIFTER HAVING TWO CONTROL TERMINALS 有权
    具有两个控制终端的双静态电光相变器

    公开(公告)号:US20140341499A1

    公开(公告)日:2014-11-20

    申请号:US14271723

    申请日:2014-05-07

    摘要: A semiconductor electro-optical phase shifter comprises a central zone (I1, I2) having a minimum doping level; first and second lateral zones (N+, P+) flanking the central zone along a first axis, respectively N and P-doped, so as to form a P-I-N junction between the first and second lateral zones. The central zone comprises first and second optical action zones (I1, I2) separated along the first axis. The second lateral zone is doped discontinuously along a second axis perpendicular to the first axis. Two electrical control terminals (A, C) are provided, one in contact with the first lateral zone, and the other in contact with doped portions of the second lateral zone.

    摘要翻译: 半导体电光移相器包括具有最小掺杂水平的中心区(I1,I2); 第一和第二侧向区域(N +,P +)分别沿着第一轴线分别位于中心区域N和P掺杂,以便在第一和第二侧向区域之间形成P-I-N结。 中心区域包括沿着第一轴线分离的第一和第二光学作用区域(I1,I2)。 第二横向区域沿着垂直于第一轴线的第二轴线不连续地掺杂。 设置两个电气控制端子(A,C),一个与第一侧向区域接触,另一个与第二侧向区域的掺杂部分接触。

    Optical modulation device and bias voltage control method
    3.
    发明授权
    Optical modulation device and bias voltage control method 有权
    光调制装置及偏压控制方法

    公开(公告)号:US08891959B2

    公开(公告)日:2014-11-18

    申请号:US13482385

    申请日:2012-05-29

    申请人: Yuji Ishii

    发明人: Yuji Ishii

    IPC分类号: H04B10/08

    摘要: An optical modulation device includes a generating circuit that generates a low-frequency signal, an average value of amplitude as an alternating-current component of the low-frequency signal being different from a center value of the amplitude of the low-frequency signal, a superimposing unit that superimposes the low-frequency signal on a data signal, an optical modulator that modulates, using the superimposition of the low-frequency signal by the superimposing unit, light from a light source and outputs a light signal, a calculating circuit that calculates an amplitude average value and an amplitude center value of a low-frequency component obtained from the light signal output by the optical modulator, and a controller that controls a bias voltage of the optical modulator such that the amplitude average value is brought closer to the amplitude center value of the frequency component calculated by the calculating circuit.

    摘要翻译: 光调制装置包括生成低频信号的发生电路,作为低频信号的交流分量的振幅的平均值不同于低频信号的振幅的中心值, 叠加单元,用于将低频信号叠加在数据信号上;光调制器,用于通过叠加单元叠加低频信号来调制来自光源的光,并输出光信号;计算电路, 从由光调制器输出的光信号获得的低频分量的幅度平均值和振幅中心值;以及控制器,其控制光调制器的偏置电压使得振幅平均值更接近振幅 由计算电路计算的频率分量的中心值。

    Delay interferometer using magneto-optic effect of a variable faraday rotator
    4.
    发明授权
    Delay interferometer using magneto-optic effect of a variable faraday rotator 失效
    延迟干涉仪使用可变法拉第旋转器的磁光效应

    公开(公告)号:US08711359B2

    公开(公告)日:2014-04-29

    申请号:US12923721

    申请日:2010-10-05

    IPC分类号: G01B9/02 H04B10/00

    摘要: A delay interferometer includes first and second optical paths into which incident signal light is split, a first converter including one or more conversion parts to convert the signal light on the first optical path into circularly polarized light and to convert the circularly polarized light into linearly polarized signal light, a phase adjuster to shift an optical phase of the circularly polarized light through a magneto-optic effect, and a second converter to convert a polarization state of the signal light on the second optical path into substantially the same polarization state as a polarization state of the linearly polarized signal light.

    摘要翻译: 延迟干涉仪包括入射信号光分离的第一和第二光路,第一转换器,包括一个或多个转换部分,以将第一光路上的信号光转换为圆偏振光,并将圆偏振光转换成线偏振光 信号光,通过磁光效应移动圆偏振光的光相位的相位调节器,以及将第二光路上的信号光的偏振状态转换为与极化相同的极化状态的第二转换器 线偏振信号光的状态。

    OPTICAL MODULATION DEVICE AND BIAS VOLTAGE CONTROL METHOD
    5.
    发明申请
    OPTICAL MODULATION DEVICE AND BIAS VOLTAGE CONTROL METHOD 有权
    光学调制装置和偏置电压控制方法

    公开(公告)号:US20130028614A1

    公开(公告)日:2013-01-31

    申请号:US13482385

    申请日:2012-05-29

    申请人: Yuji ISHII

    发明人: Yuji ISHII

    IPC分类号: H04B10/04

    摘要: An optical modulation device includes a generating circuit that generates a low-frequency signal, an average value of amplitude as an alternating-current component of the low-frequency signal being different from a center value of the amplitude of the low-frequency signal, a superimposing unit that superimposes the low-frequency signal on a data signal, an optical modulator that modulates, using the superimposition of the low-frequency signal by the superimposing unit, light from a light source and outputs a light signal, a calculating circuit that calculates an amplitude average value and an amplitude center value of a low-frequency component obtained from the light signal output by the optical modulator, and a controller that controls a bias voltage of the optical modulator such that the amplitude average value is brought closer to the amplitude center value of the frequency component calculated by the calculating circuit.

    摘要翻译: 光调制装置包括生成低频信号的发生电路,作为低频信号的交流分量的振幅的平均值不同于低频信号的振幅的中心值, 叠加单元,用于将低频信号叠加在数据信号上;光调制器,用于通过叠加单元叠加低频信号来调制来自光源的光,并输出光信号;计算电路, 从由光调制器输出的光信号获得的低频分量的幅度平均值和振幅中心值;以及控制器,其控制光调制器的偏置电压使得振幅平均值更接近振幅 由计算电路计算的频率分量的中心值。

    Optical Modulators With Controllable Chirp
    6.
    发明申请
    Optical Modulators With Controllable Chirp 有权
    具有可控啁啾的光学调制器

    公开(公告)号:US20110222813A1

    公开(公告)日:2011-09-15

    申请号:US13032899

    申请日:2011-02-23

    IPC分类号: G02F1/035

    摘要: A semiconductor-based optical modulator is presented that includes a separate phase control section to adjust the amount of chirp present in the modulated output signal. At least one section is added to the modulator configuration and driven to create a pure “phase” signal that will is added to the output signal and modify the eiφ term inherent in the modulation function. The phase modulation control section may be located within the modulator itself (with one segment on each arm, driven by the same input signal), or may be disposed “outside” of the modulator on either the input waveguiding section or the output waveguiding section. The phase control section may be formed to comprise multiple segments (of different lengths), with the overall phase added to the propagating signal controlled by selecting the different segments to be energized to impart a phase delay to a signal propagating through the energized section(s).

    摘要翻译: 提出了一种基于半导体的光调制器,其包括单独的相位控制部分,用于调节调制输出信号中存在的线性调频音量。 至少一个部分被添加到调制器配置并被驱动以产生将被添加到输出信号并且修改ei&phgr的纯“相”信号。 术语固有的调制功能。 相位调制控制部分可以位于调制器本身内(每个臂上的一个段由相同的输入信号驱动),或者可以设置在输入波导部分或输出波导部分上的调制器的“外部”。 相位控制部分可以形成为包括多个段(不同长度),其中通过选择不同的被激励的段来控制传播信号的总相位,以向通过通电部分传播的信号施加相位延迟 )。

    Wavelength-tunable optical ring resonators
    7.
    发明授权
    Wavelength-tunable optical ring resonators 有权
    波长可调谐光环谐振器

    公开(公告)号:US07983517B1

    公开(公告)日:2011-07-19

    申请号:US12248679

    申请日:2008-10-09

    IPC分类号: G02B6/26

    摘要: Optical ring resonator devices are disclosed that can be used for optical filtering, modulation or switching, or for use as photodetectors or sensors. These devices can be formed as microdisk ring resonators, or as open-ring resonators with an optical waveguide having a width that varies adiabatically. Electrical and mechanical connections to the open-ring resonators are made near a maximum width of the optical waveguide to minimize losses and thereby provide a high resonator Q. The ring resonators can be tuned using an integral electrical heater, or an integral semiconductor junction.

    摘要翻译: 公开了可用于光学滤波,调制或切换或用作光电检测器或传感器的光环谐振器装置。 这些器件可以形成为微型磁盘环形谐振器,或者形成为具有光波导的开环谐振器,光波导具有绝热变化的宽度。 与开环谐振器的电气和机械连接在光波导的最大宽度附近进行,以使损耗最小化,从而提供高谐振器Q.环形谐振器可以使用整体电加热器或整体半导体结进行调谐。

    Methods to control phase shifts of delay demodulation devices
    8.
    发明授权
    Methods to control phase shifts of delay demodulation devices 失效
    控制延迟解调装置相移的方法

    公开(公告)号:US07813032B2

    公开(公告)日:2010-10-12

    申请号:US12412847

    申请日:2009-03-27

    IPC分类号: G02F2/00

    摘要: The present invention provides methods to control phase shift of delay demodulation devices to reduce Polarization Dependent wavelength (PDλ) to be less than, for example, 0.5 GHz (i.e. 0.004 nm). The method to control phase shift in a Planar Lightwave Circuit (PLC) for demodulating Differential Quadrature Phase Shift Keying (DQPSK) comprising two Mach-Zehnder interferometers, each having two arm waveguides and heaters placed on the two arm waveguides, the method comprising the steps of: (first step) supplying electricity to at least one predetermined heater on the two arm waveguides of each Mach-Zehnder interferometer such that Polarization Dependent wavelength (PDλ) is reduced as electricity is supplied to the predetermined heaters; (second step) inserting a half-wave plate in the two arm waveguides of each Mach-Zehnder interferometer after PDλ is reduced in the first step; (third step) supplying electricity to the predetermined heater on the at least one of the two Mach-Zehnder interferometers used in the first step to control phases of the DQPSK signals after the half-wave plates are inserted.

    摘要翻译: 本发明提供了控制延迟解调装置的相移以减少偏振相关波长(PDλ)小于例如0.5GHz(即0.004nm)的方法。 用于解调平面光波电路(PLC)中用于解调差分正交相移键控(DQPSK)的方法,该差分正交相移键控(DQPSK)包括两个Mach-Zehnder干涉仪,每个具有两个臂波导和放置在两个臂波导上的加热器,该方法包括步骤 (第一步骤)向每个马赫 - 策德尔干涉仪的两个臂波导上的至少一个预定加热器供电,从而当向预定加热器供电时,偏振相关波长(PDλ)减小; (第二步骤)在第一步骤中减少PDλ之后,在每个马赫 - 策德尔干涉仪的两个臂波导中插入半波片; (第三步骤)向在第一步骤中使用的两个马赫策德尔干涉仪中的至少一个上的预定加热器供电,以在半波片插入之后控制DQPSK信号的相位。

    OPTICAL ELEMENT
    9.
    发明申请
    OPTICAL ELEMENT 有权
    光学元件

    公开(公告)号:US20100247025A1

    公开(公告)日:2010-09-30

    申请号:US12733875

    申请日:2008-09-26

    IPC分类号: G02F1/035 G02B6/12

    摘要: Disclosed is an optical element which includes a support substrate and a thin plate of single crystal stacked on the support substrate through a thermoplastic adhesive, having the advantages of easily regulating the phase of light waves and restoring the regulated state to the original state. The optical element includes a support substrate 4 and a thin plate 1 of single crystal stacked on the support substrate 4 through a thermoplastic adhesive 3. The optical characteristics of the optical element are regulated by applying stress within an elastic limit to at least a part of the thin plate in a state where the thermoplastic adhesive is softened by heating the optical element, forming a concavo-convex part 10 in the thin plate, and then cooling the optical element to fix the concavo-convex part.

    摘要翻译: 公开了一种光学元件,其包括支撑基板和通过热塑性粘合剂堆叠在支撑基板上的单晶薄板,具有容易调节光波相位并将调节状态恢复到原始状态的优点。 光学元件包括支撑基板4和通过热塑性粘合剂3堆叠在支撑基板4上的单晶薄板1。光学元件的光学特性通过将弹性极限内的应力施加到至少一部分 在通过加热光学元件软化热塑性粘合剂的状态下的薄板,在薄板中形成凹凸部10,然后冷却光学元件以固定凹凸部。

    METHOD AND APPARATUS FOR COMPENSATING POLARIZATION-DEPENDENT FREQUENCY SHIFTS IN OPTICAL WAVEGUIDES
    10.
    发明申请
    METHOD AND APPARATUS FOR COMPENSATING POLARIZATION-DEPENDENT FREQUENCY SHIFTS IN OPTICAL WAVEGUIDES 有权
    用于补偿光波导中偏振相关频率偏移的方法和装置

    公开(公告)号:US20100209039A1

    公开(公告)日:2010-08-19

    申请号:US12667556

    申请日:2008-06-23

    IPC分类号: G02F1/01

    摘要: The invention relates to a method and to an apparatus for compensating the polarization-dependent shift of the center frequency in an optical filter comprising an interferometer by way of compensating the birefringence in at least one waveguide of the interferometer, wherein at least one half-wave plate is arranged into the optical path of the interferometer and at least a section of the waveguide (16, 17) on the right and on the left of the half-wave plate (11) is brought to a pre-selectable temperature, and wherein at least one section on the right of the half-wave plate (11) is brought to a first temperature T1, and at least one section on the left of the half-wave plate (11) is brought to a second temperature T2.

    摘要翻译: 本发明涉及一种用于通过补偿干涉仪的至少一个波导中的双折射来补偿包括干涉仪的滤光器中的中心频率偏振相关偏移的方法和装置,其中至少一个半波 板被布置在干涉仪的光路中,并且半波片(11)的右侧和左侧上的波导(16,17)的至少一部分被带到预选择的温度,并且其中 将半波片(11)的右侧的至少一个区域设为第一温度T1,使半波片(11)左侧的至少一个区域达到第二温度T2。