公开(公告)号：US20110211603A1

公开(公告)日：2011-09-01

申请号：US13065686

申请日：2011-03-28

Applicant: Shengzhong Zhang ,  Near Margalit ,  Mohammad Azadeh

Inventor： Shengzhong Zhang ,  Near Margalit ,  Mohammad Azadeh

IPC: H01S3/04

CPC classification number: H01S5/0612 ,  H01S5/06804 ,  H01S5/12 ,  H01S5/1221 ,  H01S5/4025

Abstract: In a coarse wavelength division multiplexing (CWDM) optical transmission system, a distributed feedback (DFB) laser is tuned so that the peak reflection of the grating overlaps with the gain range of the DFB laser. The diffraction grating is tuned so that the peak is positioned on the long wavelength end of the gain spectrum at a selected temperature. The optical transmission system operates in an environment having a wide temperature range (i.e., about −40° C. to about 85° C.). Heat is applied to the laser and as the laser temperature increases, the gain range overtakes the grating peak. When the gain range and the grating peak overlap at increased laser temperature, laser output is improved.

Abstract translation: 在粗波分复用（CWDM）光传输系统中，分布式反馈（DFB）激光器被调谐，使得光栅的峰值反射与DFB激光器的增益范围重叠。 调整衍射光栅，使得峰位于选定温度下的增益谱的长波长端。 光传输系统在宽温度范围（即约-40℃至约85℃）的环境中工作。 对激光施加热量，随着激光温度的升高，增益范围超过光栅峰值。 当增益范围和光栅峰值在增加的激光温度下重叠时，激光输出得到改善。

公开(公告)号：US20070071455A1

公开(公告)日：2007-03-29

申请号：US11492313

申请日：2006-07-25

Applicant: Near Margalit ,  Zvi Regev

Inventor： Near Margalit ,  Zvi Regev

IPC: H04B10/06

CPC classification number: H03G3/3084 ,  H04B10/691

Abstract: A method and apparatus is presented for providing improved responsiveness of a receiver device. One embodiment includes a receiver device including an avalanche photodiode (APD), a transimpedance amplifier (TIA), and an automatic gain control (AGC) device configured to adjust the reverse bias voltage applied to the APD according to an approximate DC average of the incoming optical signal. A switch in the AGC device may be used to increase or decrease the time constant of an RC combination determining the DC averaging time period, thereby tailoring the response of the AGC device to characteristics of the incoming data pattern. The resulting receiver exhibits improved responsiveness and sensitivity by adapting to varying data patterns including those with data bursts interspersed with gaps.

Abstract translation: 提出了一种用于提供接收机设备的改进响应性的方法和装置。 一个实施例包括一个包括雪崩光电二极管（APD），跨阻抗放大器（TIA）和自动增益控制（AGC）装置的接收器装置，其被配置为根据输入的近似DC平均值来调整施加到APD的反向偏置电压 光信号。 可以使用AGC装置中的开关来增加或减小确定DC平均时间段的RC组合的时间常数，从而定制AGC装置对输入数据模式的特性的响应。 所得到的接收机通过适应不同的数据模式（包括具有散布有间隙的数据脉冲串）的数据模式，显示出改进的响应性和灵敏度。

公开(公告)号：US08948610B2

公开(公告)日：2015-02-03

申请号：US13282191

申请日：2011-10-26

Applicant: Mohammad Azadeh ,  Near Margalit

Inventor： Mohammad Azadeh ,  Near Margalit

IPC: H04B10/06 ,  H04L25/06 ,  H04L25/10 ,  H04B10/69

CPC classification number: H04B10/695

Abstract: Methods for receiving a signal and a detection circuit are disclosed. The detection circuit and related methods may be useful for the fast and accurate receiving of data signals. The detection circuit generally comprises a first circuit having a first time constant, a second circuit having (i) a common input with the first circuit and (ii) a second time constant, the second time constant being less than the first time constant, and a switch configured to (i) charge the first circuit with an input signal when the switch is in a first state, and (ii) charge or discharge the second circuit with the input signal when the switch is in a second state, the switch having the second state when the input signal is no longer received at the common input.

Abstract translation: 公开了接收信号和检测电路的方法。 检测电路和相关方法对于快速和准确地接收数据信号可能是有用的。 检测电路通常包括具有第一时间常数的第一电路，第二电路具有（i）与第一电路的公共输入和（ii）第二时间常数，第二时间常数小于第一时间常数，以及 开关，被配置为：当开关处于第一状态时，（i）用输入信号对第一电路充电;以及（ii）当开关处于第二状态时，利用输入信号对第二电路进行充电或放电，开关具有 当在公共输入处不再接收输入信号时的第二状态。

公开(公告)号：US20050089332A1

公开(公告)日：2005-04-28

申请号：US10956362

申请日：2004-10-04

Applicant: Near Margalit

Inventor： Near Margalit

IPC: H04B10/24 ,  H04B10/20

CPC classification number: H04B10/2503

Abstract: Devices and methods for effecting and managing the bi-directional transmission of data and communications over a single optic fiber are provided. Methods and devices of the invention utilize fiber-optic transmitters and receivers made for WDM transmission, and at least two slightly different wavelengths, in the 1.5 um range. Devices and methods of the invention facilitate simultaneous bi-directional optical transmission over a long distance, while reducing or eliminating cross-talk.

Abstract translation: 提供了通过单个光纤实现和管理数据和通信的双向传输的装置和方法。 本发明的方法和装置利用在1.5m范围内用于WDM传输的光纤发射机和接收机以及至少两个稍微不同的波长。 本发明的装置和方法便于在长距离同时进行双向光传输，同时减少或消除串扰。

公开(公告)号：US09054813B2

公开(公告)日：2015-06-09

申请号：US13824340

申请日：2013-03-13

Applicant: Near Margalit ,  Mark Heimbuch ,  Sheng Zhong Zhang

Inventor： Near Margalit ,  Mark Heimbuch ,  Sheng Zhong Zhang

IPC: H04B10/00 ,  H04B10/50 ,  H01S5/00 ,  H04B10/516 ,  H04J14/00

CPC classification number: H04B10/506 ,  H01S5/00 ,  H01S5/0085 ,  H01S5/4012 ,  H01S5/4087 ,  H04B10/40 ,  H04B10/516 ,  H04J14/00

Abstract: A multi-channel optical transmitter generally includes a first light source configured to emit light of a first wavelength, a second light source configured to emit light of a second wavelength, a first modulator configured to modulate the light of the first wavelength, and a second modulator configured to modulate the light of the second wavelength. The first modulator has a first anode and a first cathode, and the second modulator has a second anode and a second cathode electrically isolated from the first anode and the first cathode. The modulators (and optionally the light sources) are on a common substrate. A method of transmitting optical signals generally includes modulating light emitted from a first light source using a first modulator, and modulating light emitted from a second light source using a second modulator, where the first modulator receives a first modulation signal, and the second modulator receives a second modulation signal electrically isolated from the first modulation signal.

Abstract translation: 多通道光发射器通常包括被配置为发射第一波长的光的第一光源，被配置为发射第二波长的光的第二光源，被配置为调制第一波长的光的第一调制器，以及第二光源 调制器被配置为调制第二波长的光。 第一调制器具有第一阳极和第一阴极，并且第二调制器具有与第一阳极和第一阴极电隔离的第二阳极和第二阴极。 调制器（以及可选的光源）在公共衬底上。 传输光信号的方法通常包括使用第一调制器调制从第一光源发出的光，以及使用第二调制器调制从第二光源发射的光，其中第一调制器接收第一调制信号，并且第二调制器接收 与第一调制信号电隔离的第二调制信号。

公开(公告)号：US08964804B2

公开(公告)日：2015-02-24

申请号：US13820102

申请日：2013-02-19

Applicant: Mark Heimbuch ,  Near Margalit

Inventor： Mark Heimbuch ,  Near Margalit

IPC: H01S3/10 ,  H01S5/343 ,  H01S5/062 ,  H01S5/0625 ,  H01S5/347 ,  H01S5/068

CPC classification number: H01S5/343 ,  G02F1/025 ,  G02F2001/0155 ,  H01S5/0265 ,  H01S5/0612 ,  H01S5/06213 ,  H01S5/06251 ,  H01S5/068 ,  H01S5/1014 ,  H01S5/106 ,  H01S5/34306 ,  H01S5/347

Abstract: A modulated laser system generally includes a light emission region, a modulation region having a plurality of semiconductive layers, at least one of which includes a quantum well layer having a variable energy bandgap, and an isolation region separating the light emission region and the modulation region. The laser may be an electro-absorption modulated laser, the light emission region may include a distributed feedback laser, and the modulation region may include an electro-absorption modulator. The laser may be manufactured by forming a lower semiconductive buffer layer on a substrate, an active layer including one or more quantum well layers having the variable energy bandgap on or above the lower semiconductive buffer layer, an upper semiconductive buffer layer on or above the active layer, a contact layer on or above the upper semiconductive buffer layer, and an isolation region separating the light emission region and the modulation region.

Abstract translation: 调制激光系统通常包括发光区域，具有多个半导体层的调制区域，其中至少一个包括具有可变能带隙的量子阱层，以及分离发光区域和调制区域的隔离区域 。 激光器可以是电吸收调制激光器，发光区域可以包括分布式反馈激光器，并且调制区域可以包括电吸收调制器。 可以通过在衬底上形成下半导体缓冲层来制造激光器，活性层包括在下半导体缓冲层上或上方具有可变能带隙的一个或多个量子阱层，活性层上或上方的上半导电缓冲层 层，上半导体缓冲层上或上方的接触层，以及分离发光区域和调制区域的隔离区域。

公开(公告)号：US20150030339A1

公开(公告)日：2015-01-29

申请号：US13824340

申请日：2013-03-13

Applicant: Near Margalit ,  Mark Heimbuch ,  Sheng Zhong Zhang

Inventor： Near Margalit ,  Mark Heimbuch ,  Sheng Zhong Zhang

IPC: H04B10/50 ,  H04B10/516

CPC classification number: H04B10/506 ,  H01S5/00 ,  H01S5/0085 ,  H01S5/4012 ,  H01S5/4087 ,  H04B10/40 ,  H04B10/516 ,  H04J14/00

Abstract: A multi-channel optical transmitter generally includes a first light source configured to emit light of a first wavelength, a second light source configured to emit light of a second wavelength, a first modulator configured to modulate the light of the first wavelength, and a second modulator configured to modulate the light of the second wavelength. The first modulator has a first anode and a first cathode, and the second modulator has a second anode and a second cathode electrically isolated from the first anode and the first cathode. The modulators (and optionally the light sources) are on a common substrate. A method of transmitting optical signals generally includes modulating light emitted from a first light source using a first modulator, and modulating light emitted from a second light source using a second modulator, where the first modulator receives a first modulation signal, and the second modulator receives a second modulation signal electrically isolated from the first modulation signal.

Abstract translation: 多通道光发射机通常包括被配置为发射第一波长的光的第一光源，被配置为发射第二波长的光的第二光源，被配置为调制第一波长的光的第一调制器，以及第二光源 调制器被配置为调制第二波长的光。 第一调制器具有第一阳极和第一阴极，并且第二调制器具有与第一阳极和第一阴极电隔离的第二阳极和第二阴极。 调制器（以及可选的光源）在公共衬底上。 传输光信号的方法通常包括使用第一调制器调制从第一光源发出的光，以及使用第二调制器调制从第二光源发射的光，其中第一调制器接收第一调制信号，并且第二调制器接收 与第一调制信号电隔离的第二调制信号。

公开(公告)号：US09215032B2

公开(公告)日：2015-12-15

申请号：US13820989

申请日：2013-02-27

Applicant: Sheng Zhong Zhang ,  Near Margalit ,  Mark Heimbuch

Inventor： Sheng Zhong Zhang ,  Near Margalit ,  Mark Heimbuch

IPC: H04B10/50 ,  H04B10/40 ,  H04J14/06 ,  G02B27/28 ,  G02B5/30 ,  G02B27/14 ,  G02F1/09 ,  H04J14/02

CPC classification number: H04J14/06 ,  G02B5/3083 ,  G02B27/141 ,  G02B27/28 ,  G02B27/283 ,  G02F1/093 ,  H04B10/40 ,  H04B10/503 ,  H04J14/02

Abstract: An optical multiplexer and methods of making and using the same are disclosed. The multiplexer generally includes a beam splitter and a polarization beam splitter. The beam splitter is generally configured to combine first and second polarized optical signals by reflecting a first polarized optical signal towards a first target and allowing a second polarized optical signal to pass through towards the first target. The polarization beam splitter is generally configured to combine the first and second polarized optical signals with a third polarized optical signal by either (i) reflecting the third polarized optical signal towards a second target and allowing the first and second polarized optical signals to pass through towards the second target, or (ii) reflecting the first and second polarized optical signals towards the second target and allowing the third polarized optical signal to pass through towards the second target.

Abstract translation: 公开了一种光复用器及其制作和使用方法。 复用器通常包括分束器和偏振分束器。 分束器通常被配置为通过向第一目标反射第一偏振光信号并允许第二偏振光信号朝向第一目标通过来组合第一和第二偏振光信号。 偏振分束器通常被配置为通过以下方式（i）将第三偏振光信号反射向第二目标并使第一和第二偏振光信号通过朝向 第二目标，或者（ii）朝向第二目标反射第一和第二偏振光信号，并允许第三偏振光信号朝向第二目标通过。

公开(公告)号：US09201103B2

公开(公告)日：2015-12-01

申请号：US13206285

申请日：2011-08-09

Applicant: Chris LaBounty ,  Todd Rope ,  Tomas J. Ciplickas ,  Near Margalit

Inventor： Chris LaBounty ,  Todd Rope ,  Tomas J. Ciplickas ,  Near Margalit

IPC: H02P1/54 ,  H02M7/5387 ,  G01R19/25

CPC classification number: G01R19/2506

Abstract: Methods, circuits, architectures, apparatuses, and algorithms for determining a DC level in an AC or AC-coupled signal. The method generally includes disabling the AC or AC-coupled signal; sampling the disabled AC or AC-coupled signal to obtain sampled DC values of the AC or AC-coupled signal; and calculating the DC level using the sampled DC values of the AC or AC-coupled signal. The present transmitter generally includes an electro-absorption modulated laser (EML); a photodetector; a signal source configured to provide an AC or AC-coupled signal to the EML; and a microcontroller or microprocessor configured to (i) control the signal source, (ii) receive information from the photodetector, and (iii) deactivate the signal source for a predetermined length of time. The circuits, architectures, and apparatuses generally include those that embody one or more of the inventive concepts disclosed herein.

Abstract translation: 用于确定AC或AC耦合信号中的直流电平的方法，电路，结构，装置和算法。 该方法通常包括禁用AC或AC耦合信号; 对禁用的AC或AC耦合信号进行采样以获得AC或AC耦合信号的采样DC值; 以及使用AC或AC耦合信号的采样DC值来计算DC电平。 本发明人通常包括电吸收调制激光（EML）; 光检测器; 信号源，被配置为向所述EML提供AC或AC耦合信号; 以及被配置为（i）控制信号源的微控制器或微处理器，（ii）从光电检测器接收信息，以及（iii）将信号源去激活预定的时间长度。 电路，架构和装置通常包括体现本文公开的一个或多个发明构思的那些。

公开(公告)号：US08891686B2

公开(公告)日：2014-11-18

申请号：US13282372

申请日：2011-10-26

Applicant: Mohammad Azadeh ,  Near Margalit

Inventor： Mohammad Azadeh ,  Near Margalit

IPC: H04L25/06 ,  H04B10/69

CPC classification number: H04B10/695

Abstract: Methods for detecting and/or indicating the presence of valid data and threshold setting and data detection circuitry are disclosed. The threshold setting and data detection circuitry and related methods may be useful for fast and accurate reception of optical signals. The detection circuit generally comprises (i) a first circuit configured to regulate or control a DC offset of a differential input signal, and (ii) a second circuit coupled to the first circuit, the second circuit configured to indicate the presence of a data signal at the differential input signal when a voltage difference between true and complementary nodes of the differential input signal is above a predetermined threshold.

Abstract translation: 公开了用于检测和/或指示有效数据和阈值设置和数据检测电路的存在的方法。 阈值设置和数据检测电路及相关方法可用于快速准确地接收光信号。 检测电路通常包括（i）被配置为调节或控制差分输入信号的DC偏移的第一电路，以及（ii）耦合到第一电路的第二电路，第二电路被配置为指示存在数据信号 当差分输入信号的真实和互补节点之间的电压差高于预定阈值时，在差分输入信号处。