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    • 4. 发明授权
    • Method and apparatus for amplifying and dynamically adjusting optical signal
    • 用于放大和动态调整光信号的方法和装置
    • US08934168B2
    • 2015-01-13
    • US13497911
    • 2010-04-23
    • Zian HeJie SuSonglin Zhu
    • Zian HeJie SuSonglin Zhu
    • H01S5/00H04B10/294H04B10/12
    • H04B10/2942
    • A method for amplifying and dynamically adjusting an optical signal is provided in the present invention, which includes: a first optical tap splitting out a small part of the optical signal, which is converted into an electric signal via a first optical detector and is then output to a high speed gain control circuit, in proportion from an uplink burst optical signal, and outputting a remainder of the optical signal to an optical amplifier; the high speed gain control circuit dynamically adjusting the control signal loaded on the optical amplifier according to the input electric signal which varies with uplink burst slots; and the optical amplifier dynamically adjusting a gain value according to the loaded control signal to make peak powers of the output uplink optical signals in different burst slots equal, thus achieving output power equalization.
    • 本发明提供了一种用于放大和动态调整光信号的方法,该方法包括:第一光抽头分离出一小部分光信号,经由第一光检测器转换成电信号,然后输出 与上行链路突发光信号成比例的高速增益控制电路,并将光信号的其余部分输出到光放大器; 高速增益控制电路根据随上行链路突发时隙变化的输入电信号动态调整加载在光放大器上的控制信号; 并且光放大器根据加载的控制信号动态调整增益值,使得不同突发时隙中的输出上行光信号的峰值功率相等,从而实现输出功率均衡。
    • 5. 发明授权
    • Wavelength division multiplexer compatible with two types of passive optical networks
    • 波分复用器兼容两种类型的无源光网络
    • US08655174B2
    • 2014-02-18
    • US13257991
    • 2009-09-24
    • Songlin ZhuDan GengJie Su
    • Songlin ZhuDan GengJie Su
    • H04J14/00
    • H04J14/0226H04J14/02H04J14/0201H04J14/0232H04J14/0246H04J14/0247H04J14/025H04J14/0252H04J14/0282
    • A wavelength division multiplexer is provided by the present invention, which implements the wavelength division multiplexing and de-multiplexing of the optical signals in the basic and upgrade bands by reasonably arranging the filters and selecting the spectral properties of the filters, so that the existing time division multiplexing passive optical network (TDM-PON) can transmit the next generation passive optical network (NG-PON) simultaneously and the existing TDM-PON can be smoothly upgraded to the NG-PON, meanwhile, it provides the deployed TDM-PON with the subsequent network compatibility. The wavelength division multiplexer provided in the present invention can meet the high isolation requirement of the optical signals in working band with low cost, and takes both the isolation requirement and the optical network insertion loss requirement into account, thus it has high reliability, is easy to use and for system upgrade.
    • 本发明提供一种波分多路复用器,通过合理布置滤波器并选择滤波器的频谱特性,实现了基频和升级频段光信号的波分复用和解复用,从而使现有时间 无源光网络(TDM-PON)可以同时传输下一代无源光网络(NG-PON),并将现有的TDM-PON平滑升级到NG-PON,同时提供部署的TDM-PON 后续的网络兼容性。 本发明提供的波分多路复用器能够以低成本满足工作频段光信号的高隔离要求,同时兼顾隔离要求和光网络插入损耗要求,具有高可靠性,易于 用于系统升级。
    • 6. 发明申请
    • Wavelength Division Multiplexer Compatible with Two Types of Passive Optical Networks
    • 波分复用器兼容两种无源光网络
    • US20120039605A1
    • 2012-02-16
    • US13257991
    • 2009-09-24
    • Songlin ZhuDan GengJie Su
    • Songlin ZhuDan GengJie Su
    • H04J14/02
    • H04J14/0226H04J14/02H04J14/0201H04J14/0232H04J14/0246H04J14/0247H04J14/025H04J14/0252H04J14/0282
    • A wavelength division multiplexer is provided by the present invention, which implements the wavelength division multiplexing and de-multiplexing of the optical signals in the basic and upgrade bands by reasonably arranging the filters and selecting the spectral properties of the filters, so that the existing time division multiplexing passive optical network (TDM-PON) can transmit the next generation passive optical network (NG-PON) simultaneously and the existing TDM-PON can be smoothly upgraded to the NG-PON, meanwhile, it provides the deployed TDM-PON with the subsequent network compatibility. The wavelength division multiplexer provided in the present invention can meet the high isolation requirement of the optical signals in working band with low cost, and takes both the isolation requirement and the optical network insertion loss requirement into account, thus it has high reliability, is easy to use and for system upgrade.
    • 本发明提供一种波分多路复用器,通过合理布置滤波器并选择滤波器的频谱特性,实现了基频和升级频段光信号的波分复用和解复用,从而使现有时间 无源光网络(TDM-PON)可以同时传输下一代无源光网络(NG-PON),并将现有的TDM-PON平滑升级到NG-PON,同时提供部署的TDM-PON 后续的网络兼容性。 本发明提供的波分多路复用器能够以低成本满足工作频段光信号的高隔离要求,同时兼顾隔离要求和光网络插入损耗要求,具有高可靠性,易于 用于系统升级。
    • 8. 发明授权
    • Optical network system, optical line terminal, optical network unit and optical distribution network apparatus
    • 光网络系统,光线路终端,光网络单元和光分配网络设备
    • US08886043B2
    • 2014-11-11
    • US13522053
    • 2010-08-24
    • Biao ChenLiang ChengDawei WangSonglin ZhuDan Geng
    • Biao ChenLiang ChengDawei WangSonglin ZhuDan Geng
    • H04J14/00H04Q11/00H04B10/272
    • H04Q11/0067H04B10/272H04J14/005H04Q2011/0064
    • The disclosure provides an optical network system, an Optical Line Terminal (OLT), an Optical Network Unit (ONU) and an Optical Distribution Network (ODN) apparatus. The system includes: an OLT configured to modulate and encode at least one line of time-division-multiplexed downlink signals, synthesize the downlink signals encoded into one line and then output it, receive uplink signals, and decode the uplink signals received and then output them; an ODN configured to separate the downlink signals received into multiple lines and then output them, synthesize the uplink signals received into one line, and then output it to the OLT; and ONUs configured to receive the downlink signals output from the ODN, decode the downlink signals received and output them, encode one line of time-division-multiplexed uplink signals, and output the uplink signals encoded to the ODN. Decoding of the downlink signals and encoding of the uplink signals can further be implemented by the ODN. By means of the solution of the disclosure, a hybrid Passive Optical Network (PON) system based on a Time Division Multiplexing (TDM) technology and an Optical Code Division Multiple Access (OCDMA) technology.
    • 本发明提供一种光网络系统,光线路终端(OLT),光网络单元(ONU)和光分配网络(ODN)装置。 该系统包括:OLT,被配置为对至少一行时分复用下行链路信号进行调制和编码,合成编码成一行然后输出的下行链路信号,接收上行链路信号,并对接收的上行链路信号进行解码,然后输出 他们; ODN被配置为将接收的下行链路信号分离成多条线路然后输出,将接收到的上行链路信号合成为一条线路,然后将其输出到OLT; ONU被配置为接收从ODN输出的下行链路信号,对接收到的下行链路信号进行解码并输出,编码一行时分多路复用的上行链路信号,并输出编码到ODN的上行链路信号。 下行链路信号的解码和上行链路信号的编码可以进一步由ODN实现。 通过本公开的解决方案,基于时分复用(TDM)技术和光码分多址(OCDMA)技术的混合无源光网络(PON)系统。
    • 9. 发明申请
    • Method and Apparatus for Amplifying and Dynamically Adjusting Optical Signal
    • 用于放大和动态调整光信号的方法和装置
    • US20120176667A1
    • 2012-07-12
    • US13497911
    • 2010-04-23
    • Zian HeJie SuSonglin Zhu
    • Zian HeJie SuSonglin Zhu
    • H01S5/20
    • H04B10/2942
    • A method for amplifying and dynamically adjusting an optical signal is provided in the present invention, which includes: a first optical tap splitting out a small part of the optical signal, which is converted into an electric signal via a first optical detector and is then output to a high speed gain control circuit, in proportion from an uplink burst optical signal, and outputting a remainder of the optical signal to an optical amplifier; the high speed gain control circuit dynamically adjusting the control signal loaded on the optical amplifier according to the input electric signal which varies with uplink burst slots; and the optical amplifier dynamically adjusting a gain value according to the loaded control signal to make peak powers of the output uplink optical signals in different burst slots equal, thus achieving output power equalization.
    • 本发明提供了一种用于放大和动态调整光信号的方法,该方法包括:第一光抽头分离出一小部分光信号,经由第一光检测器转换成电信号,然后输出 与上行链路突发光信号成比例的高速增益控制电路,并将光信号的其余部分输出到光放大器; 高速增益控制电路根据随上行链路突发时隙变化的输入电信号动态调整加载在光放大器上的控制信号; 并且光放大器根据加载的控制信号动态调整增益值,使得不同突发时隙中的输出上行光信号的峰值功率相等,从而实现输出功率均衡。