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1. 发明授权

US07974002B2 System and method for managing system margin 有权
标题翻译：管理系统边际的系统和方法
公开(公告)号：US07974002B2
公开(公告)日：2011-07-05
申请号：US11691012
申请日：2007-03-26
申请人： Mohammed N. Islam , Carl A. DeWilde
发明人： Mohammed N. Islam , Carl A. DeWilde
IPC分类号： H04B10/12 , H04B10/17
CPC分类号： H04J14/0221 , H04B10/2916 , H04B10/2935
摘要： An optical communication system is operable to communicate a plurality of wavelength signals at a bit rate of at least 9.5 gigabits per second over a multiple span communication link spanning at least 400 kilometers without optical regenerators. The plurality of wavelength signals include a bandwidth of more than 32 nanometers separated into at least 160 optical channels. The system includes a plurality of optical transmitters implementing a forward error correction (FEC) coding technique. The FEC encoded wavelength signals comprise a bit error rate of 10−09 or better after FEC decoding. The system also includes at least five (5) optical add/drop multiplexers (OADMs), each coupled to one or more spans of the multiple span communication link. The system further includes a plurality of amplifiers each coupled to one or more spans of the communication link, at least a majority of the amplifiers comprise a distributed Raman amplification stage.
摘要翻译：光通信系统可操作以通过跨越至少400公里的多跨度通信链路在不具有光学再生器的情况下以至少9.5千兆比特每秒的比特率来传送多个波长信号。多个波长信号包括分离成至少160个光学通道的超过32纳米的带宽。该系统包括实现前向纠错（FEC）编码技术的多个光发射机。 FEC编码的波长信号在FEC解码之后包括10-09或更好的误比特率。该系统还包括至少五（5）个光分插复用器（OADM），每个耦合到多跨度通信链路的一个或多个跨度。该系统还包括多个放大器，每个放大器耦合到通信链路的一个或多个跨度，至少大部分放大器包括分布式拉曼放大级。

2. 发明授权

US07429983B2 Packet-based digital display system 有权
标题翻译：基于数据包的数字显示系统
公开(公告)号：US07429983B2
公开(公告)日：2008-09-30
申请号：US11553212
申请日：2006-10-26
申请人： Mohammed N. Islam
发明人： Mohammed N. Islam
IPC分类号： G06F3/038 , G06F15/16
CPC分类号： H04N21/64322 , G02B26/0808 , H04N9/3102 , H04N21/6408
摘要： An all-digital display system includes an electronic processor that is operable to receive an internet protocol video packet and to generate a control signal based at least in part on the internet protocol video packet. In one particular embodiment, the electronic processor includes at least a header processor, a CPU electronic processor, and a display processor unit. The all-digital display system also includes one or more light sources capable of generating one or more optical signals and one or more light modulating chips. The one or more light modulating chips are operable to receive the one or more optical signals and to modulate the one or more optical signals based at least in part on the control signal. The all-digital display system further comprises one or more display screens operable to receive the modulated signals communicated from the light modulating chips.
摘要翻译：全数字显示系统包括电子处理器，其可操作以接收互联网协议视频分组，并且至少部分地基于因特网协议视频分组来生成控制信号。在一个具体实施例中，电子处理器至少包括头部处理器，CPU电子处理器和显示处理器单元。全数字显示系统还包括能够产生一个或多个光信号和一个或多个光调制芯片的一个或多个光源。一个或多个光调制芯片可操作以至少部分地基于控制信号接收一个或多个光信号并且调制一个或多个光信号。全数字显示系统还包括一个或多个显示屏幕，其可操作以接收从光调制芯片传送的调制信号。

3. 发明授权

US07259906B1 System and method for voice control of medical devices 有权
标题翻译：医疗器械语音控制系统及方法
公开(公告)号：US07259906B1
公开(公告)日：2007-08-21
申请号：US10757341
申请日：2004-01-13
申请人： Mohammed N. Islam
发明人： Mohammed N. Islam
IPC分类号： H01S3/00 , G02F1/35
CPC分类号： A61B5/0075 , A61B1/00039 , A61B5/0013 , A61B5/0022 , A61B5/0084 , A61B5/02042 , A61B5/021 , A61B5/024 , A61B5/06 , A61B5/1455 , A61B5/14551 , A61B5/7264 , A61B5/742 , A61B5/7435 , A61B5/7445 , A61B5/749 , A61B34/70 , A61B2505/05 , G06F19/00 , H01S3/302
摘要： A light source includes a wavelength shifter that is capable of shifting a shorter optical signal wavelength to a longer optical signal wavelength based at least in part on a Raman effect in a waveguide. The wavelength shifter includes a pump laser that operable to produce the shorter optical signal wavelength. The wavelength shifter also includes an intermediate stage that is coupled to the pump laser and capable of producing an intermediate optical signal wavelength. The intermediate optical signal wavelength is longer than the shorter optical signal wavelength. The wavelength shifter further includes a final stage capable of generating the longer optical signal wavelength. The final stage includes at least in part a ZBLAN waveguide and wherein the longer optical signal wavelength is greater than 1.7 microns and is greater than the intermediate pump signal wavelength.
摘要翻译：光源包括能够至少部分地基于波导中的拉曼效应将较短的光信号波长移动到更长的光信号波长的波长移位器。波长移位器包括可激光以产生较短光信号波长的泵浦激光器。波长移位器还包括耦合到泵激光器并能够产生中间光信号波长的中间级。中间光信号波长比较短的光信号波长长。波长移位器还包括能够产生更长的光信号波长的最后级。最后阶段至少部分地包括ZBLAN波导，并且其中较长的光信号波长大于1.7微米并且大于中间泵浦信号波长。

4. 发明授权

US07254337B1 Band optical add/drop multiplexing 有权
标题翻译：频带光分插复用
公开(公告)号：US07254337B1
公开(公告)日：2007-08-07
申请号：US11383686
申请日：2006-05-16
申请人： Mohammed N. Islam , Andrzej Kaminski , Herve A. Fevrier , Carl A. DeWilde , Ozdal Boyraz
发明人： Mohammed N. Islam , Andrzej Kaminski , Herve A. Fevrier , Carl A. DeWilde , Ozdal Boyraz
IPC分类号： H04J14/02
CPC分类号： H04J14/0291 , H04J14/0206 , H04J14/0209 , H04J14/0213 , H04J14/0279
摘要： An optical communication system includes a plurality of optical add/drop multiplexers (OADMs). The plurality of OADMs includes at least five low distortion OADMs. Each OADM is coupled between spans of a multiple span communication link and operable to receive a multiple wavelength signal. The multiple wavelength signal includes a plurality of bands of wavelength signals each separated from other bands of wavelength signals by one or more guard-channels. In one embodiment, each of the at least five low distortion OADMs adds/drops a common first band of wavelengths to/from the multiple wavelength signal. In some embodiments, a spectral distortion associated with a pass-through wavelength signal spectrally adjacent to one of the one or more guard-channels is no more than three decibels after exiting the last of the plurality of low distortion OADMs. In those embodiments, the guard-channel is adjacent to the first band of wavelengths.
摘要翻译：光通信系统包括多个光分插复用器（OADM）。多个OADM包括至少五个低失真OADM。每个OADM耦合在多跨度通信链路的跨度之间并且可操作以接收多波长信号。多波长信号包括波长信号的多个波段，每个波长信号波段由波长信号的其它波段与一个或多个保护通道分离。在一个实施例中，至少五个低失真OADM中的每一个向多波长信号/从多波长信号添加/丢弃公共第一波长带。在一些实施例中，与在一个或多个保护信道之一频谱相邻的通过波长信号相关联的频谱失真在离开多个低失真OADM中的最后一个之后不超过三个分贝。在那些实施例中，保护信道与第一波长带相邻。

5. 发明授权

US07142347B2 Method and system for processing photonic systems using semiconductor devices 有权
标题翻译：用于处理使用半导体器件的光子系统的方法和系统
公开(公告)号：US07142347B2
公开(公告)日：2006-11-28
申请号：US11199513
申请日：2005-08-08
申请人： Mohammed N. Islam
发明人： Mohammed N. Islam
IPC分类号： G02B26/00 , H04J14/00
CPC分类号： G02B6/3516 , G02B6/3512 , G02B6/3518 , G02B6/352 , G02B6/3546 , G02B6/3548 , G02B6/3552 , G02B6/356 , G02B6/357 , G02B6/3584 , G02B26/001 , G02B26/0833 , G02B26/0841 , H04Q11/0005 , H04Q11/0066 , H04Q2011/0015 , H04Q2011/0016 , H04Q2011/002 , H04Q2011/0039 , H04Q2011/0077
摘要： An optical processing system includes an amplifier, a receiving device, an electronic processor, and a transmitting device. The receiving device includes a first wave-guide based router and an array of detectors. The array of detectors receives the first optical signals and converts the first optical signals into an electrical signal. The transmitting device includes an optical switching array that is receives the second optical signals and to perform an optical switching operation on the second optical signals. The transmitting device also includes a second wave-guide based router that is operable to receive the second optical signals and to combine the second optical signals into an output optical signal. In one particular embodiment, the first wave-guide based router and the array of detectors are co-located on a first semiconductor substrate, and the array of modulators and the second wave-guide based router are co-located on a second semiconductor substrate.
摘要翻译：光学处理系统包括放大器，接收装置，电子处理器和发送装置。接收设备包括第一基于波导的路由器和检测器阵列。检测器阵列接收第一光信号并将第一光信号转换为电信号。发送装置包括：光开关阵列，其接收第二光信号并对第二光信号执行光切换操作。发射设备还包括第二基于波导的路由器，其可操作以接收第二光信号并将第二光信号组合成输出光信号。在一个具体实施例中，第一基于波导的路由器和检测器阵列共同位于第一半导体衬底上，并且调制器阵列和第二基于波导的路由器共同位于第二半导体衬底上。

6. 发明授权

US07110671B1 Method and apparatus for scheduling communication using a star switching fabric 有权
标题翻译：使用星形交换结构调度通信的方法和装置
公开(公告)号：US07110671B1
公开(公告)日：2006-09-19
申请号：US10005998
申请日：2001-12-03
申请人： Mohammed N. Islam
发明人： Mohammed N. Islam
IPC分类号： H04B10/20
CPC分类号： H04Q11/0005 , H04J14/0206 , H04J14/0212 , H04Q11/0066 , H04Q2011/0011 , H04Q2011/0015 , H04Q2011/0016 , H04Q2011/0018 , H04Q2011/0039 , H04Q2011/005 , H04Q2011/0094
摘要： In one embodiment, a scheduler for use with a star switching fabric includes a scheduling star switching fabric operable to receive a plurality of packets each associated with one of a plurality of wavelengths and a plurality of selecting elements associated with the scheduling star switching fabric. Each of the plurality of selecting elements is operable to contribute to selectively passing packets from the scheduling star switching fabric for receipt by a transmission star switching fabric. Packets received at the transmission star switching fabric over a given time period comprise a more uniform load distribution than packets received at an input to the scheduler over the same period of time.
摘要翻译：在一个实施例中，与星形交换结构一起使用的调度器包括调度星形交换结构，其可操作以接收与多个波长中的一个相关联的多个分组以及与调度星形交换结构相关联的多个选择元素。多个选择元件中的每一个可操作用于有选择地传送来自调度星形交换结构的分组，以便由传输星形交换结构接收。在给定时间段内在传输星形交换结构处接收的分组包括比在相同时间段期间在调度器的输入处接收的分组更均匀的负载分布。

7. 发明授权

US07034975B1 High speed MEMS device 失效
标题翻译：高速MEMS器件
公开(公告)号：US07034975B1
公开(公告)日：2006-04-25
申请号：US10144694
申请日：2002-05-13
申请人： Mohammed N. Islam , Amos Kuditcher
发明人： Mohammed N. Islam , Amos Kuditcher
IPC分类号： G02B26/08
CPC分类号： G02B26/0841
摘要： An interferometric micro electro-mechanical switching (MEMS) device includes an interferometer. The interferometer includes an optical cavity having a depth and formed between an inner mirror assembly and an outer mirror assembly. The MEMS device further includes an actuator coupled to the interferometer. The actuator includes an electrode gap having a depth and formed between an inner conductor and an outer conductor. In one particular embodiment, the depth of the optical cavity and the depth of the electrode gap are capable of being selected substantially independently of one another.
摘要翻译：干涉式微机电开关（MEMS）装置包括干涉仪。干涉仪包括具有深度并形成在内反射镜组件和外镜组件之间的光学腔。 MEMS器件还包括耦合到干涉仪的致动器。致动器包括具有深度并形成在内部导体和外部导体之间的电极间隙。在一个具体实施例中，光腔的深度和电极间隙的深度能够基本上彼此独立地选择。

8. 发明授权

US06744553B1 System and method for converting a plurality of wavelengths 有权
标题翻译：用于转换多个波长的系统和方法
公开(公告)号：US06744553B1
公开(公告)日：2004-06-01
申请号：US09885678
申请日：2001-06-20
申请人： Mohammed N. Islam , Ozdal Boyraz , Carl A. Dewilde
发明人： Mohammed N. Islam , Ozdal Boyraz , Carl A. Dewilde
IPC分类号： G02F135
CPC分类号： G02F1/39 , G02F1/3536
摘要： In one aspect of the invention, an apparatus operable to convert wavelengths of a plurality of optical signals includes a coupler operable to receive a pump signal and a plurality of input signals each input signal comprising at least one wavelength different than the wavelengths of others of the plurality of input optical signals. The apparatus further includes an optical medium operable to receive the pump signal and the plurality of input signals from the couplet, wherein the pump signal and each of the plurality of input signals are synchronized to overlap at least partially during at least a part of the time spent traversing the optical medium to facilitate generation of a plurality of converted wavelength signals each comprising a wavelength that is different than the wavelengths of at least some of the plurality of input signals. Various embodiments can result in low cross-talk and/or low polarization sensitivity.
摘要翻译：在本发明的一个方面，可操作以转换多个光信号的波长的装置包括可操作以接收泵浦信号和多个输入信号的耦合器，每个输入信号包括至少一个波长不同于多个输入光信号。所述装置还包括光学介质，其可操作以从所述对联接收所述泵浦信号和所述多个输入信号，其中所述泵浦信号和所述多个输入信号中的每一个被同步至少部分地在所述时间的至少一部分期间重叠经过光学介质以便于产生多个转换的波长信号，每个波长信号包括不同于多个输入信号中的至少一些的波长的波长。各种实施例可导致低串扰和/或低偏振灵敏度。

9. 发明授权

US06721475B1 Apparatus and method for providing gain equalization 失效
标题翻译：用于提供增益均衡的装置和方法
公开(公告)号：US06721475B1
公开(公告)日：2004-04-13
申请号：US09746813
申请日：2000-12-22
申请人： Mohammed N. Islam , Amos Kuditcher
发明人： Mohammed N. Islam , Amos Kuditcher
IPC分类号： G02B628
CPC分类号： G02B6/3516 , G02B6/356 , G02B6/357 , G02B6/3594 , H04B10/25073 , H04J14/0221
摘要： In one aspect of the invention, a gain equalizer comprises a wavelength division demultiplexer operable to separate one or more communication bands into a plurality of wavelengths and an array of phase shifter stages. Each phase shifter stage comprises a micro-electro-optic system (MEMS) device comprising a moveable mirror layer operable to receive a first copy of an input signal from a beam splitter and to reflect the first copy of the input signal for combination with a second copy of the input signal at an output to form an output signal. The moveable mirror layer is displaceable in a substantially piston-like motion to introduce a phase shift between the first and second signal copies at the output, the amplitude of the output signal varying depending on the displacement of the moveable mirror layer. The gain equalizer further comprises a wavelength division multiplexer operable to receive a plurality of phase shifted wavelengths from the second beam splitter and to multiplex at least some of the phase shifted wavelengths into an optical output signal.
摘要翻译：在本发明的一个方面，增益均衡器包括波分解复用器，其可操作以将一个或多个通信频带分离成多个波长和移相器级阵列。每个移相器级包括微电子光学系统（MEMS）器件，其包括可移动镜像层，可操作地接收来自分束器的输入信号的第一拷贝，并且反映输入信号的第一拷贝以与第二拷贝组合在输出端复制输入信号以形成输出信号。可移动镜层可在基本上类似活塞状的运动中移动，以在输出处在第一和第二信号副本之间引入相移，输出信号的幅度根据可移动镜层的位移而变化。增益均衡器还包括波分复用器，其可操作以从第二分束器接收多个相移波长，并将至少一些相移波长复用为光输出信号。

10. 发明授权

US06714342B2 Low-noise distributed Raman amplifier using bi-directional pumping using multiple Raman orders 有权
标题翻译：低噪声分布式拉曼放大器，使用多个拉曼命令进行双向抽运
公开(公告)号：US06714342B2
公开(公告)日：2004-03-30
申请号：US10335808
申请日：2003-01-02
申请人： Mohammed N. Islam , Michael Freeman
发明人： Mohammed N. Islam , Michael Freeman
IPC分类号： H01S330
CPC分类号： H04B10/2916 , H01S3/06758 , H01S3/094011 , H01S3/094015 , H01S3/094096 , H01S3/302 , H04B2210/258
摘要： A Raman amplifier assembly includes a Raman amplifier configured to receive a signal from a signal source. The signal travels in an upstream direction in the Raman amplifier. A first pump source is coupled to the Raman amplifier. The first pump source produces a first pump beam that travels in a downstream direction and is counter-propagating relative to the signal. A second pump source is coupled to the Raman amplifier and produces a second pump beam that travels in the upstream direction. The second pump source has an average relative intensity noise of less than −80 dB/Hz.
摘要翻译：拉曼放大器组件包括被配置为从信号源接收信号的拉曼放大器。信号在拉曼放大器中沿上游方向行进。第一泵浦源耦合到拉曼放大器。第一泵浦源产生在下游方向上行进且相对于该信号相反传播的第一泵浦光束。第二泵浦源耦合到拉曼放大器并产生沿上游方向行进的第二泵浦光束。第二泵浦源的平均相对强度噪声小于-80dB / Hz。

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