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    • 3. 发明申请
    • LOW TOTAL EXCURSION DISPERSION MAPS
    • 低总挥发分散度
    • US20070286607A1
    • 2007-12-13
    • US11844940
    • 2007-08-24
    • Aref ChowdhuryRene'-Jean EssiambreLisa Wickham
    • Aref ChowdhuryRene'-Jean EssiambreLisa Wickham
    • H04B10/18
    • H04B10/25253
    • A process optically transports digital data over an all-optical long-haul communication path. The process includes transporting digital optical data signals at a selected bit rate and a selected wavelength over a sequence of transmission spans. The sequence includes 70 percent or more of the spans of the long-haul all-optical communication path. Each span of the sequence has a primary local maximum optical power point for the wavelength on a transmission fiber and nearest to an input of the span. The transporting causes a cumulative dispersion of each signal to evolve such that residual dispersions per span are positive over some of the spans and are negative over other of the spans. At the primary local maximum power points, magnitudes of cumulative dispersions of the signals in pico seconds per nanometer remain at less than 32,000 times the inverse of the bit rate in giga bits per second.
    • 一种过程通过全光学长途通信路径光学传输数字数据。 该过程包括以选定的比特率传送数字光学数据信号,并在一系列传输跨度上传输选定的波长。 该序列包括长距离全光通信路径的70%或更多的跨度。 序列的每个跨度具有用于传输光纤上的波长并且最接近跨度的输入的主要局部最大光功率点。 运输导致每个信号的累积色散发展使得每跨度的每个跨度的残余分散是正的,并且在其它跨度上是负的。 在主要局部最大功率点,信号的累积分散幅度以微微秒/纳米为单位,保持在比特率(千比特每秒)的倒数的32000倍以下。
    • 4. 发明授权
    • Low total excursion dispersion maps
    • 低总偏移色散图
    • US07280765B2
    • 2007-10-09
    • US10729153
    • 2003-12-05
    • Aref ChowdhuryRene′-Jean EssiambreLisa Kathleen Wickham
    • Aref ChowdhuryRene′-Jean EssiambreLisa Kathleen Wickham
    • H04B10/00
    • H04B10/25253
    • A process optically transports digital data over an all-optical long-haul communication path. The process includes transporting digital optical data signals at a selected bit rate and a selected wavelength over a sequence of transmission spans. The sequence includes 70 percent or more of the spans of the long-haul all-optical communication path. Each span of the sequence has a primary local maximum optical power point for the wavelength on a transmission fiber and nearest to an input of the span. The transporting causes a cumulative dispersion of each signal to evolve such that residual dispersions per span are positive over some of the spans and are negative over other of the spans. At the primary local maximum power points, magnitudes of cumulative dispersions of the signals in pico seconds per nanometer remain at less than 32,000 times the inverse of the bit rate in giga bits per second.
    • 一种过程通过全光学长途通信路径光学传输数字数据。 该过程包括以选定的比特率传送数字光学数据信号,并在一系列传输跨度上传输选定的波长。 该序列包括长距离全光通信路径的70%或更多的跨度。 序列的每个跨度具有用于传输光纤上的波长并且最接近跨度的输入的主要局部最大光功率点。 运输导致每个信号的累积色散发展使得每跨度的每个跨度的残余分散是正的,并且在其它跨度上是负的。 在主要局部最大功率点,信号的累积分散幅度以微微秒/纳米为单位,保持在比特率(千比特/秒)的倒数的32000倍以下。
    • 6. 发明授权
    • Low total excursion dispersion maps
    • 低总偏移色散图
    • US07454144B2
    • 2008-11-18
    • US11844940
    • 2007-08-24
    • Aref ChowdhuryRene′-Jean EssiambreLisa Kathleen Wickham
    • Aref ChowdhuryRene′-Jean EssiambreLisa Kathleen Wickham
    • H04B10/00
    • H04B10/25253
    • A process optically transports digital data over an all-optical long-haul communication path. The process includes transporting digital optical data signals at a selected bit rate and a selected wavelength over a sequence of transmission spans. The sequence includes 70 percent or more of the spans of the long-haul all-optical communication path. Each span of the sequence has a primary local maximum optical power point for the wavelength on a transmission fiber and nearest to an input of the span. The transporting causes a cumulative dispersion of each signal to evolve such that residual dispersions per span are positive over some of the spans and are negative over other of the spans. At the primary local maximum power points, magnitudes of cumulative dispersions of the signals in pico seconds per nanometer remain at less than 32,000 times the inverse of the bit rate in giga bits per second.
    • 一种过程通过全光学长途通信路径光学传输数字数据。 该过程包括以选定的比特率传送数字光学数据信号,并在一系列传输跨度上传输选定的波长。 该序列包括长距离全光通信路径的70%或更多的跨度。 序列的每个跨度具有用于传输光纤上的波长并且最接近跨度的输入的主要局部最大光功率点。 运输导致每个信号的累积色散发展使得每跨度的每个跨度的残余分散是正的,并且在其它跨度上是负的。 在主要局部最大功率点,信号的累积分散幅度以微微秒/纳米为单位,保持在小于每秒百兆比特比特率的倒数的32,000倍。
    • 7. 发明授权
    • Reducing crosstalk in optical wavelength converters
    • 减少光波长转换器中的串扰
    • US09054807B2
    • 2015-06-09
    • US11138007
    • 2005-05-26
    • Aref ChowdhuryGregory Raybon
    • Aref ChowdhuryGregory Raybon
    • H04B10/2513
    • H04B10/2513
    • An optical fiber transmission system includes a series of optical fiber transmission spans and one or more all-optical signal processors. The optical fiber transmission spans are connected to form an optical communication path. Each all-optical signal processor directly connects a corresponding adjacent pair of the spans. Each all-optical signal processor includes an optical wavelength converter having input and output ports and a dispersion adjustment module connected to the input port of the optical wavelength converter of the same processor. The dispersion module is also configured to adjust cumulative dispersions of some received optical pulses to be outside of a range for the cumulative dispersions of corresponding optical pulses in the span directly preceding the same processor.
    • 光纤传输系统包括一系列光纤传输跨度和一个或多个全光信号处理器。 光纤传输跨接连接形成光通信路径。 每个全光信号处理器直接连接相应的相邻的一对跨距。 每个全光信号处理器包括具有输入和输出端口的光波长转换器和连接到同一处理器的光波长转换器的输入端口的色散调节模块。 分散模块还被配置为将一些接收到的光脉冲的累积色散调整在与直接在同一处理器之前的范围内的对应光脉冲的累积色散的范围之外。
    • 8. 发明申请
    • Optical wavelength-conversion
    • 光波长转换
    • US20050244159A1
    • 2005-11-03
    • US10835753
    • 2004-04-30
    • Aref ChowdhuryChristopher DoerrGregory Raybon
    • Aref ChowdhuryChristopher DoerrGregory Raybon
    • G02B6/34H04J14/06
    • H04J14/02H04J14/06
    • An apparatus includes an optical wavelength-converter and a polarization splitter. The polarization splitter is configured to receive input and pump light, to direct a first polarization component of the received input and pump light to a first optical path, and to direct a second polarization component of the received input and pump light to a separate second optical path. The optical wavelength-converter has first and second optical ports. The first optical port is at an end of the first optical path. The second port is at an end of the second optical path. The wavelength-converter outputs wavelength-converted light from one of the ports in response to receiving the input and pump light at the other of the ports. The two optical paths may include polarization-maintaining optical waveguides. The polarization splitter and optical paths may be configured to transmit substantially the same pump light intensity to the two optical ports.
    • 一种装置包括光波长转换器和偏振分离器。 偏振分离器被配置为接收输入和泵浦光,以将接收到的输入和泵浦光的第一偏振分量引导到第一光路,并且将接收的输入和泵浦光的第二偏振分量引导到单独的第二光学 路径。 光波长转换器具有第一和第二光端口。 第一光口位于第一光路的一端。 第二端口处于第二光路的一端。 响应于接收另一个端口处的输入和泵浦光,波长转换器从一个端口输出波长转换的光。 两个光路可以包括偏振保持光波导。 偏振分离器和光路可以被配置为将基本相同的泵浦光强度传输到两个光学端口。