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51.发明授权Optical transmitter having a widely tunable directly modulated laser and periodic optical spectrum reshaping element 有权具有广泛可调直接调制的激光器和周期性光谱整形元件的光发射机公开(公告)号：US07962045B2
公开(公告)日：2011-06-14
申请号：US11964315
申请日：2007-12-26
CPC分类号： H01S5/142 , G02B6/12007 , H01S5/02248 , H01S5/02415 , H01S5/02446 , H01S5/02453 , H01S5/02476 , H01S5/026 , H01S5/06256 , H01S5/1032 , H01S5/1209 , H01S5/1212
摘要： An optical transmitter is disclosed including a widely tunable laser coupled to a periodic optical spectrum reshaper (OSR) to convert frequency modulated pulses from the laser into amplitude modulated pulses. The laser is tuned to generate pulses corresponding to passbands of the OSR spanning a wide range of frequencies. The laser includes a gain section having an optical path length substantially shorter than the total optical path length of the laser. The laser may be a Y-branch laser having reverse-biased sampled gratings or ring resonator filters tuned by stripe heaters. The laser may also include a reflective external cavity section tunable by modulating the temperature of ring resonators or etalons. The OSR may be integrally formed with the external cavity of the ECL laser.
摘要翻译： 公开了一种光发射机，其包括耦合到周期性光谱整形器（OSR）的广泛可调激光器，以将来自激光器的调频脉冲转换成幅度调制脉冲。 激光器被调谐以产生对应于跨越宽范围频率的OSR的通带的脉冲。 该激光器包括增益部分，该增益部分的光程长度远大于激光器的总光程长度。 激光器可以是具有由条形加热器调谐的反向偏置采样光栅或环形谐振器滤波器的Y分支激光器。 激光器还可以包括可通过调制环形谐振器或标准具的温度来调节的反射外部空腔部分。 OSR可以与ECL激光器的外部腔体一体形成。
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公开(公告)号：US20080031636A1
公开(公告)日：2008-02-07
申请号：US11784411
申请日：2007-04-06
CPC分类号： H04B10/516 , H04B10/504 , H04B10/5561 , H04B2210/517
摘要： A fiber optic communication system comprising: an optical signal source adapted to receive a binary base signal having a bit period T, and generate a first signal, wherein the first signal is frequency modulated; and an optical spectrum reshaper (OSR) adapted to reshape the first signal into a second signal, wherein the second signal is amplitude modulated and frequency modulated; characterized in that: the frequency excursion of the first signal is adjusted such that the frequency excursion is substantially equal to the ratio of the bit period of the digital base signal to total dispersion of the transmission fiber, whereby to increase the tolerance of the second signal to dispersion in a transmission fiber.
摘要翻译： 一种光纤通信系统，包括：光信号源，适于接收具有位周期T的二进制基本信号，并产生第一信号，其中所述第一信号被频率调制; 以及适于将所述第一信号重新形成第二信号的光谱整形器（OSR），其中所述第二信号被幅度调制和频率调制; 其特征在于：调节第一信号的频率偏移，使得频率偏移基本上等于数字基本信号的位周期与传输光纤的总色散的比率，由此增加第二信号的容差 以分散在传输光纤中。
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53.发明申请Directly Modulated Laser with Isolated Modulated Gain Electrode for Improved Frequency Modulation 有权具有隔离调制增益电极的直接调制激光器，用于改进的频率调制公开(公告)号：US20090238224A1
公开(公告)日：2009-09-24
申请号：US12053344
申请日：2008-03-21
申请人： Xiong Ye , Hongmin Chen , Yasuhiro Matsui , Daniel Mahgerefteh
发明人： Xiong Ye , Hongmin Chen , Yasuhiro Matsui , Daniel Mahgerefteh
IPC分类号： H01S3/10
CPC分类号： H01S5/06256 , H01S5/0427 , H01S5/06251
摘要： A DBR laser, such as a semiconductor DBR laser is disclosed having improved frequency modulation performance. The laser includes a split gain electrode and a tuning electrode. A modulating current encoding a data signal is injected into a first section of the gain electrode whereas a substantially DC bias voltage is imposed on a second section of the gain electrode positioned between the first gain electrode and the tuning electrode. The first and second gain electrodes are electrically isolated from each other and the tuning electrode by a large isolation resistance. In some embodiments, the isolation resistance is generated by forming the electrodes on a P+ layer and removing portions of the P+ layer between adjacent electrodes. Capacitors may couple to one or both of the second gain electrode and the tuning electrode.
摘要翻译： 公开了一种具有改进的频率调制性能的DBR激光器，例如半导体DBR激光器。 激光器包括分裂增益电极和调谐电极。 将编码数据信号的调制电流注入增益电极的第一部分，而将大体上的直流偏置电压施加在位于第一增益电极和调谐电极之间的增益电极的第二部分上。 第一和第二增益电极通过大的隔离电阻彼此电隔离和调谐电极。 在一些实施例中，通过在P +层上形成电极并去除相邻电极之间的P +层的部分来产生隔离电阻。 电容器可以耦合到第二增益电极和调谐电极中的一个或两个。
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54.发明授权Directly modulated laser with isolated modulated gain electrode for improved frequency modulation 有权具有隔离调制增益电极的直接调制激光器，用于改进频率调制公开(公告)号：US07869473B2
公开(公告)日：2011-01-11
申请号：US12053344
申请日：2008-03-21
申请人： Xiong Ye , Hongmin Chen , Yasuhiro Matsui , Daniel Mahgerefteh
发明人： Xiong Ye , Hongmin Chen , Yasuhiro Matsui , Daniel Mahgerefteh
IPC分类号： H01S3/10
CPC分类号： H01S5/06256 , H01S5/0427 , H01S5/06251
摘要： A DBR laser, such as a semiconductor DBR laser is disclosed having improved frequency modulation performance. The laser includes a split gain electrode and a tuning electrode. A modulating current encoding a data signal is injected into a first section of the gain electrode whereas a substantially DC bias voltage is imposed on a second section of the gain electrode positioned between the first gain electrode and the tuning electrode. The first and second gain electrodes are electrically isolated from each other and the tuning electrode by a large isolation resistance. In some embodiments, the isolation resistance is generated by forming the electrodes on a P+ layer and removing portions of the P+ layer between adjacent electrodes. Capacitors may couple to one or both of the second gain electrode and the tuning electrode.
摘要翻译： 公开了一种具有改进的频率调制性能的DBR激光器，例如半导体DBR激光器。 激光器包括分裂增益电极和调谐电极。 将编码数据信号的调制电流注入增益电极的第一部分，而将大体上的直流偏置电压施加在位于第一增益电极和调谐电极之间的增益电极的第二部分上。 第一和第二增益电极通过大的隔离电阻彼此电隔离和调谐电极。 在一些实施例中，通过在P +层上形成电极并去除相邻电极之间的P +层的部分来产生隔离电阻。 电容器可以耦合到第二增益电极和调谐电极中的一个或两个。
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55.发明申请Intra-Cavity Phase Modulated Laser Based on Intra-Cavity Depletion-Edge-Translation Lightwave Modulators 审中-公开基于腔内消耗 - 边缘平移光波调制器的腔内相位调制激光器公开(公告)号：US20090268765A1
公开(公告)日：2009-10-29
申请号：US12110572
申请日：2008-04-28
IPC分类号： H01S5/06
CPC分类号： H01S5/0265 , H01S5/06246
摘要： Use of depletion edge translation as an in cavity phase modulation mechanism in lasers. Aspects of the invention are especially relevant (without limitation) in transmitters for extended reach comprising an intra cavity phase and amplitude modulated laser for generation of a frequency modulated signal and a passive optical spectrum reshaper element, sometimes referred to as a chirp modulated laser. Such techniques may be carried out as disclose herein by adopting predetermined doping profiles and applying predetermined voltage to the laser cavity, and more preferably to a phase section in or adjoining the laser cavity.
摘要翻译： 使用耗尽边缘平移作为激光器中的空腔相位调制机制。 本发明的各个方面在用于扩展到达的发射机中尤为重要（但不限于）包括用于产生频率调制信号的腔内相位和幅度调制激光器以及有时被称为啁啾调制激光器的无源光谱再生元件。 这样的技术可以如本文所公开的那样通过采用预定的掺杂分布和向激光器腔施加预定的电压，更优选地应用于激光腔中或邻近激光腔的相位部分来执行。
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公开(公告)号：US07564889B2
公开(公告)日：2009-07-21
申请号：US11051893
申请日：2005-02-04
CPC分类号： H04B10/505 , H04B10/25 , H04B10/2507 , H04B10/5057 , H04B10/50577 , H04B10/58
摘要： A Distributed Feed-Back (DFB) laser integrated with an Electroabsorption (EA) modulator whose facet at the end of EA modulator section has finite reflectively to create adiabatic chirp by optical feedback to the DFB laser.
摘要翻译： 与电吸收（EA）调制器集成的分布式反馈（DFB）激光器，其EA端调制器部分的刻面有限反射，通过光学反馈到DFB激光器产生绝热啁啾。
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公开(公告)号：US20060002717A1
公开(公告)日：2006-01-05
申请号：US11037893
申请日：2005-01-18
IPC分类号： H04B10/04
CPC分类号： H04B10/505 , H04B10/5165
摘要： A method for suppression of the optical carrier of an optically modulated digital signal, comprising of the steps of: modulating the amplitude of an optical carrier with digital input data to generate an amplitude modulated optical signal; and modulating the frequency of the optical carrier of the resulting optical signal with the same digital input data. A fiber optic system comprising: an optical source adapted to produce an adiabatically chirped amplitude modulated optical signal; an optical fiber adapted to receive the optical signal; and an optical receiver; wherein the optical power of the signal launched into the fiber exceeds the stimulated Brillouin threshold of the transmission fiber for a single frequency, continuous wave signal. A system for suppression of the optical carrier of an optically modulated digital signal comprising: modulating the amplitude and the frequency of an optical carrier with digital input data to generate an amplitude and frequency modulated optical signal, whereby to limit the stimulated Brillouin scattering loss of a transmission fiber to a selected value.
摘要翻译： 一种用于抑制光调制数字信号的光载波的方法，包括以下步骤：用数字输入数据调制光载波的振幅，以产生调幅光信号; 并用相同的数字输入数据调制所得光信号的光载波的频率。 一种光纤系统，包括：适于产生绝热啁啾的调幅光信号的光源; 适于接收光信号的光纤; 和光接收机; 其中发射到光纤中的信号的光功率超过单频连续波信号的传输光纤的受激布里渊阈值。 一种用于抑制光学调制数字信号的光载波的系统，包括：用数字输入数据调制光载波的幅度和频率，以产生幅度和频率调制的光信号，从而限制被调制的布里渊散射损耗 传输光纤到选定的值。
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公开(公告)号：US09031359B2
公开(公告)日：2015-05-12
申请号：US13463565
申请日：2012-05-03
申请人： Yasuhiro Matsui , Bernd Huebner , Charles B. Roxlo
发明人： Yasuhiro Matsui , Bernd Huebner , Charles B. Roxlo
CPC分类号： G02B6/29355 , G02B6/2938 , H04J14/02
摘要： In an embodiment, a delay line interferometer (DLI) multiplexer (MUX) includes a first stage and a second stage. The first stage includes a first DLI and a second DLI. The first DLI includes a first left input, a first right input, and a first output and has a free spectral range (FSR) that is about four times a nominal channel spacing. The second DLI includes a second left input, a second right input, and a second output and has an FSR that is about four times the nominal channel spacing. The second stage is coupled to the first stage and includes a third DLI. The third DLI includes a third left input optically coupled to the first output, a third right input optically coupled to the second output, and a third output. An FSR of the third DLI is about two times the nominal channel spacing.
摘要翻译： 在一个实施例中，延迟线干涉仪（DLI）多路复用器（MUX）包括第一级和第二级。 第一阶段包括第一DLI和第二DLI。 第一DLI包括第一左输入，第一右输入和第一输出，并且具有约为标称通道间隔的四倍的自由光谱范围（FSR）。 第二DLI包括第二左输入，第二右输入和第二输出，并具有约为标称通道间隔的四倍的FSR。 第二阶段耦合到第一阶段并且包括第三DLI。 第三DLI包括光耦合到第一输出的第三左输入，光耦合到第二输出的第三右输入和第三输出。 第三个DLI的FSR约为标称信道间隔的两倍。
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公开(公告)号：US08661180B2
公开(公告)日：2014-02-25
申请号：US12766194
申请日：2010-04-23
申请人： Satoshi Takagi , Yasuhiro Matsui , Masao Tanaka , Takahiro Ikarashi , Akihiko Saotome , Hiroshi Sumihiro , Yukinao Kenjo
发明人： Satoshi Takagi , Yasuhiro Matsui , Masao Tanaka , Takahiro Ikarashi , Akihiko Saotome , Hiroshi Sumihiro , Yukinao Kenjo
CPC分类号： G06F12/0292
摘要： Disclosed herein is a memory controlling device including: an address converting section configured to convert a logical address included in a request issued from a plurality of clients into a physical address of a memory; a request dividing section configured to divide a converted request converted by the address converting section by a command unit for the memory on a basis of the physical address of the converted request; and an arbitrating section configured to perform arbitration on a basis of the physical address indicated in a divided request output from the request dividing section.
摘要翻译： 这里公开了一种存储器控制装置，包括：地址转换部分，被配置为将从多个客户端发出的请求中包括的逻辑地址转换为存储器的物理地址; 请求分割部，被配置为基于所转换的请求的物理地址，将由地址转换部转换的转换请求除以存储器的命令单元; 以及仲裁部，被配置为基于从所述请求分割部输出的分割请求中指示的物理地址来执行仲裁。
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公开(公告)号：US20110239875A1
公开(公告)日：2011-10-06
申请号：US13120563
申请日：2009-09-14
IPC分类号： B30B13/00
CPC分类号： B21D43/05
摘要： Provided is a method for setting an operation condition of a press line to improve a production cycle. A method for setting an operation condition of a press line includes a conveyance route setting step (S4) of setting a conveyance route so as to minimize a clearance between a work and a lower die; a phase difference setting step (S7) of setting a phase difference between conveying operations of respective conveyance machines so as to minimize a clearance between a work to be taken-out and a work to be taken-in; and a press-conveyance phase difference setting step (S11) that sets a phase difference between pressing operation and conveyance operation in accordance with the conveying route set for each conveyance machine, the phase difference between the conveyance machines, a line SPM, and a press SPM.
摘要翻译： 提供了一种用于设定压制线的操作条件以改善生产周期的方法。 用于设定按压线的操作条件的方法包括设置输送路径以使工件与下模之间的间隙最小化的输送路径设定步骤（S4） 相位差设定步骤（S7），其设定各个输送机的输送操作之间的相位差，以使要取出的作品与要被接受的作品之间的间隙最小化; 以及按照每个输送机设置的输送路径，输送机器之间的相位差，线SPM和压力机来设定按压操作和输送操作之间的相位差的按压输送相位差设定步骤（S11） SPM。
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