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公开(公告)号：US08548331B1
公开(公告)日：2013-10-01
申请号：US13243208
申请日：2011-09-23
IPC分类号： H04B10/00
CPC分类号： H04B10/90 , H04B2210/006
摘要： An analog signal receiver includes photonic sampling and electronic quantization. The receiver includes timing control circuitry configured to receive a series of optical pulses and output a plurality of timing signals based on the series of optical pulses to synchronize optical switches that receive a sampled optical signal to time deinterleave the optically sampled signal. The time deinterleaved signals are then sent to a plurality of demodulators wherein each demodulator receives at least one time deinterleaved optically sampled signal and at least one time deinterleaved optical reference signal to produce electrical signals based on the demodulated optical signals.
摘要翻译： 模拟信号接收机包括光子采样和电子量化。 所述接收器包括定时控制电路，其被配置为接收一系列光脉冲，并且基于所述一系列光脉冲输出多个定时信号，以同步接收采样光信号的时间解交织光采样信号的光开关。 时间解交织的信号然后被发送到多个解调器，其中每个解调器接收至少一个时间解交织的光采样信号和至少一个时间去交织的光参考信号，以基于解调的光信号产生电信号。
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公开(公告)号：US08456336B1
公开(公告)日：2013-06-04
申请号：US13240226
申请日：2011-09-22
IPC分类号： H03M1/12
CPC分类号： H03M1/1245 , G02F7/00 , G02F2203/50 , H03M1/1215
摘要： A method of performing optical serial-to-parallel conversion of an optical signal includes performing phase modulation of the optical pulse stream and outputting a phase-modulated optical signal. Optical switching of the phase-modulated optical signal is performed by optical switches provided on a signal path. Optical switching of a reference optical clock signal is performed by optical switches provided on a reference path. I/Q demodulation of the optically switched phase-modulated optical signal respectively output by an optical switch is performed on the signal path at timings corresponding to the optically switched reference optical clock signal respectively output by an optical switch on the reference path, in which I and Q demodulated signals are output as a result thereof. Photodetection of the I and Q demodulated signals is then performed.
摘要翻译： 执行光信号的光串行 - 并行转换的方法包括执行光脉冲流的相位调制并输出相位调制的光信号。 相位调制光信号的光切换由设置在信号路径上的光开关执行。 参考光时钟信号的光切换由设置在基准路径上的光开关执行。 分别由光开关输出的光开关相位调制光信号的I / Q解调在信号路径上执行，该定时对应于由参考路径上的光开关分别输出的光开关参考光时钟信号，其中I 并且作为其结果输出Q个解调信号。 然后执行I和Q解调信号的光检测。
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公开(公告)号：US07876246B1
公开(公告)日：2011-01-25
申请号：US12456932
申请日：2009-06-24
IPC分类号： H03M1/06
CPC分类号： H03M1/1071 , H03M1/12
摘要： A monitoring device in an analog-to-digital converter, the monitoring device including a monitoring module configured to receive a first radio frequency signal provided by a first radio frequency modulator and a second radio frequency signal provided by a second radio frequency modulator. The first radio frequency signal being associated with a laser data and a radio frequency input signal. The laser data being associated with a radio frequency oscillator signal. The second radio frequency signal being associated with the laser signal and the radio frequency oscillator signal. The monitoring module is configured to determine a modification factor based on the first radio frequency signal and the second radio frequency signal.
摘要翻译： 一种模拟数字转换器中的监视装置，所述监视装置包括监视模块，所述监视模块被配置为接收由第一射频调制器提供的第一射频信号和由第二射频调制器提供的第二射频信号。 第一射频信号与激光数据和射频输入信号相关联。 激光数据与射频振荡器信号相关联。 第二射频信号与激光信号和射频振荡器信号相关联。 监视模块被配置为基于第一射频信号和第二射频信号来确定修改因子。
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公开(公告)号：US07085042B2
公开(公告)日：2006-08-01
申请号：US11130002
申请日：2005-05-16
申请人： Thomas D. Stephens , Raymond Zanoni
发明人： Thomas D. Stephens , Raymond Zanoni
CPC分类号： H04B10/2916 , H01S3/094096 , H01S3/1022 , H01S3/302 , H04B10/294
摘要： Optical transmission systems of the present invention include at least one optical amplifier configured to provide optical amplification of one or more information carrying optical signal wavelengths. At least one optical amplifier is controlled based on an in situ performance characterization of the at least one optical amplifier and the transmission fiber. The in situ, or installed, performance characteristics of the optical amplifier can be characterized based on relative gain measurements over the signal wavelength range as a function of the supplied pump power. The installed characterization allows the optical amplifier performance and gain profiles to be tightly controlled over the signal wavelength range in the transmission system.
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公开(公告)号：US06967769B2
公开(公告)日：2005-11-22
申请号：US10935948
申请日：2004-09-08
申请人： Nabil M. Badr , Raymond Zanoni
发明人： Nabil M. Badr , Raymond Zanoni
CPC分类号： H04B10/291 , H04J14/0221
摘要： Optical systems of the present invention generally include at least one optical amplifier having a first pump source configured to supply power to said amplifier via a first pumping paths. A second pumping path is provided to supply power to the amplifier from a second pump source configured to replace power from the first pump source. The amplifier allows the replacement and repair of a pump source during operation by providing in-service hot swap capability, which increases the overall availability of the amplifier. The pump source can also be changed during operation to allow reconfiguration of the optical system.
摘要翻译： 本发明的光学系统通常包括至少一个光学放大器，其具有被配置为经由第一泵送路径向所述放大器供电的第一泵浦源。 提供第二泵送路径以从配置成替换来自第一泵浦源的电力的第二泵浦源向放大器供电。 放大器允许在运行期间更换和维修泵浦源，提供在线热插拔功能，从而提高放大器的整体可用性。 泵源也可以在操作过程中改变，以允许重新配置光学系统。
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公开(公告)号：US6118575A
公开(公告)日：2000-09-12
申请号：US286209
申请日：1999-04-05
CPC分类号： G02B6/03694 , G02B6/02 , G02B6/03627 , G02B6/03638 , H01S3/06708 , H01S3/0675 , H01S3/094003 , H01S3/10023 , H01S3/302
摘要： An optical fiber used as the active amplifying medium in a fiber laser is arranged to have a high insertion loss at an undesired frequency, while retaining a low insertion loss at a desired lasing frequency. In one embodiment, loss at a Raman-shifted frequency is introduced by using an optical fiber which has multiple claddings with an index profile that includes an elevated index region located away from the core, but within the evanescent coupling region of the core. A distributed loss, which can be enhanced by bending, is produced at the Raman frequency which effectively raises the threshold at which Raman scattering occurs in the fiber and therefore results in a frequency-selective fiber. In another embodiment, an absorbing layer is placed around the core region. The absorbing layer is chosen to have a sharp absorption edge so that it absorbs highly at the Raman-shifted wavelength, but minimally at the desired lasing wavelength. In still another embodiment, the optical fiber is constructed with a core with long period gratings formed therein. The gratings are fabricated with a periodicity selected to provide a relatively high insertion loss at the Raman frequency while simultaneously providing a relatively low insertion loss at the lasing frequency. In accordance with yet another embodiment, a bend loss technique is used to suppress amplified spontaneous emission at an unwanted wavelength due to a competing atomic energy level system in a fiber laser.
摘要翻译： 在光纤激光器中用作有源放大介质的光纤布置成在不期望的频率下具有高插入损耗，同时保持在期望的激光频率下的低插入损耗。 在一个实施例中，通过使用具有多个包层的光纤引入拉曼移位频率处的损耗，折射率分布包括位于远离芯的升高的折射率区域，但在核心的消逝耦合区域内。 可以在拉曼频率下产生可以通过弯曲增强的分布损耗，其有效地提高了在光纤中发生拉曼散射的阈值，因此导致频率选择性光纤。 在另一实施例中，吸收层围绕芯区域放置。 吸收层被选择为具有尖锐的吸收边缘，使得其以拉曼位移的波长高度吸收，但在期望的激光波长处最小。 在另一个实施例中，光纤由其中形成有长周期光栅的芯构成。 以选择的周期制造光栅，以在拉曼频率处提供相对高的插入损耗，同时在激光频率下提供相对低的插入损耗。 根据另一个实施例，弯曲损耗技术用于抑制由于光纤激光器中竞争的原子能级系统引起的不需要的波长的放大的自发发射。
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公开(公告)号：US08478124B1
公开(公告)日：2013-07-02
申请号：US12283055
申请日：2008-09-09
申请人： Raymond Zanoni , Peter J. Morgan
发明人： Raymond Zanoni , Peter J. Morgan
IPC分类号： H04J14/00
CPC分类号： H04J14/0246 , H04J14/0247 , H04J14/025 , H04J14/0252 , H04J14/0265 , H04J14/0282
摘要： The present invention is a device including a wavelength division multiplexer for multiplexing a plurality of optical carrier signals on an optical fiber. A mission processor, including an optical line terminal (OLT) is communicatively coupled to a wavelength division multiplexor branch unit via an optical fiber for generating a plurality of fiber optic branches. A plurality of fiber optic branches communicatively coupled with the wavelength division multiplexor branch unit for communicating one or more signals to at least one optical network unit, wherein the mission processor transmits a first signal having at least one downstream wavelength to the wavelength division multiplexor branch unit, and wherein the plurality of fiber optic branches are configured for transmitting a branch signals having a plurality of wavelengths.
摘要翻译： 本发明是一种包括用于在光纤上复用多个光载波信号的波分复用器的装置。 包括光线路终端（OLT）的任务处理器通过用于产生多个光纤分支的光纤通信耦合到波分多路复用器分支单元。 多个光纤分支与波分多路复用器分支单元通信耦合，用于将一个或多个信号传送到至少一个光网络单元，其中任务处理器将具有至少一个下行波长的第一信号发送到波分多路复用器分支单元 并且其中所述多个光纤分支被配置用于发送具有多个波长的分支信号。
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公开(公告)号：US06992815B2
公开(公告)日：2006-01-31
申请号：US10384977
申请日：2003-03-10
申请人： Thomas D. Stephens , Raymond Zanoni
发明人： Thomas D. Stephens , Raymond Zanoni
IPC分类号： H01S3/00
CPC分类号： H04B10/2916 , H01S3/094096 , H01S3/1022 , H01S3/302 , H04B10/294
摘要： Optical transmission systems of the present invention include at least one optical amplifier configured to provide optical amplification of one or more information carrying optical signal wavelengths. At least one optical amplifier is controlled based on an in situ performance characterization of the at least one optical amplifier and the transmission fiber. The in situ, or installed, performance characteristics of the optical amplifier can be characterized based on relative gain measurements over the signal wavelength range as a function of the supplied pump power. The installed characterization allows the optical amplifier performance and gain profiles to be tightly controlled over the signal wavelength range in the transmission system.
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9.发明申请公开(公告)号：US20050046929A1
公开(公告)日：2005-03-03
申请号：US10914109
申请日：2004-08-09
申请人： Stephen Grubb , Raymond Zanoni , Thomas Stephens
发明人： Stephen Grubb , Raymond Zanoni , Thomas Stephens
CPC分类号： H04B10/2916 , H01S3/06754 , H01S3/094042 , H01S3/094046 , H01S3/094096 , H01S3/0941 , H01S3/1301 , H01S3/302 , H01S2301/04 , H04B10/2935 , H04B2210/003
摘要： Optical systems of the present invention include a plurality of optical processing nodes in optical communication via a plurality of signal varying devices. A first signal varying device includes an optical fiber configured to produce Raman scattering/gain in a signal wavelength range and a first signal variation profile. A first pump source is configured provides sufficient pump power in a plurality of first pump wavelengths to stimulate Raman scattering/gain in the optical fiber within the signal wavelength range. A second signal varying device is provided having a second signal variation profile to produce a cumulative signal variation profile that differs from the first and second signal variation profiles
摘要翻译： 本发明的光学系统包括经由多个信号变化装置进行光通信的多个光学处理节点。 第一信号变化装置包括被配置为在信号波长范围内产生拉曼散射/增益的光纤和第一信号变化曲线。 第一泵浦源被配置为在多个第一泵浦波长中提供足够的泵浦功率以在信号波长范围内激发光纤中的拉曼散射/增益。 提供了具有第二信号变化特征的第二信号变化装置，以产生不同于第一和第二信号变化曲线的累积信号变化曲线
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10.发明授权公开(公告)号：US06433306B1
公开(公告)日：2002-08-13
申请号：US09585262
申请日：2000-06-02
申请人： Stephen G. Grubb , David F. Welch , Raymond Zanoni
发明人： Stephen G. Grubb , David F. Welch , Raymond Zanoni
IPC分类号： B23K2606
CPC分类号： H01S3/0057 , B23K26/06 , B23K26/064 , H01S3/005 , H01S3/0064 , H01S3/06729 , H01S3/06754 , H01S3/06787 , H01S3/094003 , H01S3/094015 , H01S3/094026 , H01S3/094042 , H01S3/094061 , H01S3/10023 , H01S3/2316 , H01S3/2333 , H01S5/06216 , H01S2301/02
摘要： A high power laser optical amplifier system for material processing comprises multiple stage fiber amplifiers with rejection of propagating ASE buildup in and between the amplifier stages as well as elimination of SBS noise providing output powers in the range of about 10 &mgr;J to about 100 &mgr;J or more. The system is driven with a time varying drive signal from a modulated semiconductor laser signal source to produce an optical output allowing modification of the material while controlling its thermal sensitivity by varying pulse shapes or pulse widths supplied at a desire repetition rate via modulation of a semiconductor laser signal source to the system to precisely control the applied power application of the beam relative to the thermal sensitivity of the material to be processed. The high power fiber amplifier system has particular utility in high power applications requiring process treatment of surfaces, such as polymeric, organic, ceramic and metal surfaces, e.g., material processing, surface texturing, heat treatment, surface engraving, fine micro-machining, surface ablation, cutting, grooving, bump forming, coating, soldering, sealing, surface diffusion and surface conversion to a compound. A particular example is given for texturing of disk surfaces of magnetic disk media prior to the deposition or coating of a thin magnetic film on the textured surfaces to prevent slider stiction.
摘要翻译： 用于材料处理的高功率激光光放大器系统包括多级光纤放大器，其抑制在放大器级之间和放大器级之间的传播ASE积聚，以及消除SBS噪声，提供在约10μJ至约100μJ或更大的范围内的输出功率 。 该系统由来自调制的半导体激光信号源的时变驱动信号驱动以产生允许修改材料的光学输出，同时通过改变通过半导体的调制以期望的重复频率提供的脉冲形状或脉冲宽度来控制其热敏感性 激光信号源到系统，以精确地控制光束的施加功率相对于待处理材料的热敏感性。 高功率光纤放大器系统在高功率应用中具有特殊应用，需要对表面进行处理，例如聚合物，有机，陶瓷和金属表面，例如材料加工，表面纹理，热处理，表面雕刻，精细微加工，表面 烧蚀，切割，切槽，凸块形成，涂覆，焊接，密封，表面扩散和表面转化成化合物。 给出了在将磁性薄膜沉积或涂覆在纹理化表面上之前对磁盘介质的磁盘表面进行纹理化以防止滑块粘滞的特定示例。
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