公开(公告)号：US08364043B2

公开(公告)日：2013-01-29

申请号：US12633006

申请日：2009-12-08

申请人： Jie-hyun Lee ,  Seung-hyun Cho ,  Byoungi-whi Kim ,  Jea-hoon Yu ,  Jai-sang Koh

发明人： Jie-hyun Lee ,  Seung-hyun Cho ,  Byoungi-whi Kim ,  Jea-hoon Yu ,  Jai-sang Koh

IPC分类号： H04B10/00

CPC分类号： H04B10/2587

摘要： A method and apparatus for controlling a reflective semiconductor optical amplifier (RSOA) are provided. The RSOA control apparatus sets a threshold current at which a light source starts to oscillate to be constant regardless of a wavelength of seed light by controlling a driving temperature for driving a RSOA, and adjusts an optical characteristic which is differently output for each wavelength of seed light to be constant by controlling a driving current.

摘要翻译： 提供了一种用于控制反射半导体光放大器（RSOA）的方法和装置。 RSOA控制装置通过控制用于驱动RSOA的驱动温度来设定光源开始振荡的阈值电流，而与种子光的波长无关，并调整对种子的每个波长而不同地输出的光学特性 光通过控制驱动电流而恒定。

公开(公告)号：US20100150574A1

公开(公告)日：2010-06-17

申请号：US12633006

申请日：2009-12-08

申请人： Jie-hyun LEE ,  Seung-hyun Cho ,  Byoungi-whi Kim ,  Jea-hoon Yu ,  Jai-sang Koh

发明人： Jie-hyun LEE ,  Seung-hyun Cho ,  Byoungi-whi Kim ,  Jea-hoon Yu ,  Jai-sang Koh

IPC分类号： H04B10/00

CPC分类号： H04B10/2587

摘要： A method and apparatus for controlling a reflective semiconductor optical amplifier (RSOA) are provided. The RSOA control apparatus sets a threshold current at which a light source starts to oscillate to be constant regardless of a wavelength of seed light by controlling a driving temperature for driving a RSOA, and adjusts an optical characteristic which is differently output for each wavelength of seed light to be constant by controlling a driving current.

摘要翻译： 提供了一种用于控制反射半导体光放大器（RSOA）的方法和装置。 RSOA控制装置通过控制用于驱动RSOA的驱动温度来设定光源开始振荡的阈值电流，而与种子光的波长无关，并调整对种子的每个波长而不同地输出的光学特性 光通过控制驱动电流而恒定。

公开(公告)号：US20100150560A1

公开(公告)日：2010-06-17

申请号：US12625286

申请日：2009-11-24

申请人： Jie-hyun Lee ,  Seung-hyun Cho ,  Han-hyub Lee ,  Byoung-whi Kim ,  Jea-hoon Yu ,  Sang-soo Lee ,  Jai-sang Koh

发明人： Jie-hyun Lee ,  Seung-hyun Cho ,  Han-hyub Lee ,  Byoung-whi Kim ,  Jea-hoon Yu ,  Sang-soo Lee ,  Jai-sang Koh

IPC分类号： H04J14/02

CPC分类号： H04B10/2537 ,  H04J2014/0253

摘要： Disclosed are an optical transmission apparatus and method in a wavelength division multiplexing passive optical network (WDM-PON). The optical transmission apparatus outputs an optical signal by applying a DC bias current and an RF signal to a laser diode at a threshold current level of the laser diode, thereby broadening an optical spectrum of the laser diode. Accordingly, an optical link becomes less vulnerable to reflection induced noise, which contributes to improve stability and reliability of the optical link.

摘要翻译： 公开了波分复用无源光网络（WDM-PON）中的光传输装置和方法。 光传输装置通过在激光二极管的阈值电流电平下向激光二极管施加DC偏置电流和RF信号来输出光信号，从而使激光二极管的光谱变宽。 因此，光链路变得不易受到反射感应噪声的影响，这有助于提高光链路的稳定性和可靠性。

公开(公告)号：US20100158526A1

公开(公告)日：2010-06-24

申请号：US12638696

申请日：2009-12-15

申请人： Han-hyub Lee ,  Byoung-whi Kim ,  Seung-hyun Cho ,  Jea-hoon Yu ,  Jai-sang Koh

发明人： Han-hyub Lee ,  Byoung-whi Kim ,  Seung-hyun Cho ,  Jea-hoon Yu ,  Jai-sang Koh

IPC分类号： H04J14/00

CPC分类号： H04B10/272 ,  H04J14/0246 ,  H04J14/025 ,  H04J14/0252 ,  H04J14/0254 ,  H04J14/0282 ,  H04J2014/0253

摘要： Provided is an apparatus for connecting a wavelength division multiplexing passive optical network (WDM-PON) to a time division multiplexing passive optical network (TDM-PON). In a hybrid, passive optical network which is a combination of the WDM-PON and the TDM-PON, the apparatus is formed at a subscriber side for matching the WDM-PPN and the TDM-PON. Accordingly, a passive remote mode can be implemented as a passive node not an active node. Therefore, the entire optical network can be efficiently operated. In addition, since the apparatus located on the subscriber side uses a wavelength-tunable light source, any dependency on the wavelength of a WDM-PON optical signal is removed.

摘要翻译： 提供了一种用于将波分复用无源光网络（WDM-PON）连接到时分复用无源光网络（TDM-PON）的装置。 在作为WDM-PON和TDM-PON的组合的混合无源光网络中，该设备形成在用户侧，用于匹配WDM-PPN和TDM-PON。 因此，被动远程模式可以被实现为被动节点而不是主动节点。 因此，可以有效地操作整个光网络。 此外，由于位于用户侧的装置使用波长可调光源，因此消除了对WDM-PON光信号的波长的任何依赖。

公开(公告)号：US20100158522A1

公开(公告)日：2010-06-24

申请号：US12607955

申请日：2009-10-28

申请人： Seung-hyun Cho ,  Han-hyub Lee ,  Byoung-whi Kim ,  Sang-soo Lee ,  Jea-hoon Yu ,  Jai-sang Koh

发明人： Seung-hyun Cho ,  Han-hyub Lee ,  Byoung-whi Kim ,  Sang-soo Lee ,  Jea-hoon Yu ,  Jai-sang Koh

IPC分类号： H04J14/02 ,  H04J14/06 ,  H04B10/00

CPC分类号： H04J14/0282 ,  H04B10/506 ,  H04J14/02 ,  H04J14/06

摘要： A seed light module based on a single longitudinal mode oscillation light source is provided. The seed light module includes a multi-wavelength signal generation light source unit generating a continuous wave (CW) of different wavelengths, a multiplexer wavelength-division multiplexing the light output from the light source unit, a polarization beam splitter splitting the light of multiple wavelength components output from the multiplexer according to specific polarization components, phase modulators phase-modulating signals of a first polarization component and a second polarization component split by the polarization beam splitter onto a sine wave having a frequency and amplitude, a radio frequency (RF) signal generator generating the sine wave, a RF signal distributor distributing the generated RF signal, amplifiers amplifying the distributed RF signals, and a polarization beam combiner combining the lights phase-modulated by the respective phase modulators and providing the combined light as a seed light output.

摘要翻译： 提供了基于单个纵模式振荡光源的种子光模块。 种子光模块包括产生不同波长的连续波（CW）的多波长信号产生光源单元，从光源单元输出的光的复用波分复用，将多个波长的光分离的偏振分束器 根据特定偏振分量输出的分量，将由偏振分束器分离的第一偏振分量和第二偏振分量的相位调制信号的相位调制信号转换成具有频率和幅度的正弦波，射频（RF）信号 产生正弦波的发生器，分配所产生的RF信号的RF信号分配器，放大分布式RF信号的放大器以及组合由各个相位调制器相位调制的光并将组合光提供为种子光输出的偏振光束组合器。

公开(公告)号：US08422124B2

公开(公告)日：2013-04-16

申请号：US12553914

申请日：2009-09-03

申请人： Han-hyub Lee ,  Byoung-whi Kim ,  Jea-hoon Yu ,  Mahn Yong Park ,  Jai-sang Koh

发明人： Han-hyub Lee ,  Byoung-whi Kim ,  Jea-hoon Yu ,  Mahn Yong Park ,  Jai-sang Koh

IPC分类号： H04B10/17 ,  H01S5/00 ,  H04B10/12

CPC分类号： H04B10/2587 ,  H04J14/02 ,  H04J14/0227 ,  H04J2014/0253

摘要： A spectrum-sliced seed light module for a wavelength division multiplexing passive optical network (WDM PON) is provided. The seed light module includes an optical amplifier to amplify seed light, an optical wavelength filter to transmit broadband light, which is output in opposite direction to an output direction of the seed light, at periodic frequency intervals, and a reflective mirror to reflect light which is spectrum-sliced through the optical wavelength filter to the optical wavelength filter.

摘要翻译： 提供了一种用于波分复用无源光网络（WDM PON）的频谱切片种子光模块。 种子光模块包括用于放大种子光的光放大器，以周期性频率间隔输出与种子光的输出方向相反方向输出宽带光的光波长滤波器和反射光 通过光学波长滤波器对光波长滤波器进行频谱切片。

公开(公告)号：US20100158513A1

公开(公告)日：2010-06-24

申请号：US12581796

申请日：2009-10-19

申请人： Eui-suk Jung ,  Jea-hoon Yu ,  Byoung-whi Kim ,  Jai-sang Koh

发明人： Eui-suk Jung ,  Jea-hoon Yu ,  Byoung-whi Kim ,  Jai-sang Koh

IPC分类号： H04B10/08 ,  H04J14/02

CPC分类号： H04B10/07953 ,  H04J14/0221

摘要： Provided are an apparatus and method for measuring signal performance and an apparatus for selecting a signal. The apparatus includes a wavelength selector selecting a signal having a specific wavelength from an input signal, a time selector selecting a signal input at a specific time from the selected signal having the specific wavelength, and a performance measurer measuring signal performance for the signal of the specific wavelength that is input at the specific time and selected by the time selector. Thus, it is possible to measure signal quality of each wavelength-division multiplexing (WDM)-time-division multiplexing (TDM) channel in a WDM-TDM hybrid environment.

摘要翻译： 提供了一种用于测量信号性能的装置和方法以及用于选择信号的装置。 该装置包括：波长选择器，从输入信号中选择具有特定波长的信号;时间选择器，从具有特定波长的选定信号选择特定时间输入的信号;以及性能测量器，测量信号的信号性能 在特定时间输入并由时间选择器选择的特定波长。 因此，可以在WDM-TDM混合环境中测量每个波分复用（WDM）时分复用（TDM）信道的信号质量。

公开(公告)号：US20100150188A1

公开(公告)日：2010-06-17

申请号：US12553914

申请日：2009-09-03

申请人： Han-hyub Lee ,  Byoung-whi Kim ,  Jea-hoon Yu ,  Mahn Yong Park ,  Jai-sang Koh

发明人： Han-hyub Lee ,  Byoung-whi Kim ,  Jea-hoon Yu ,  Mahn Yong Park ,  Jai-sang Koh

IPC分类号： H01S3/10 ,  H04J14/00

CPC分类号： H04B10/2587 ,  H04J14/02 ,  H04J14/0227 ,  H04J2014/0253

摘要： A spectrum-sliced seed light module for a wavelength division multiplexing passive optical network (WDM PON) is provided. The seed light module includes an optical amplifier to amplify seed light, an optical wavelength filter to transmit broadband light, which is output in opposite direction to an output direction of the seed light, at periodic frequency intervals, and a reflective mirror to reflect light which is spectrum-sliced through the optical wavelength filter to the optical wavelength filter.

摘要翻译： 提供了一种用于波分复用无源光网络（WDM PON）的频谱切片种子光模块。 种子光模块包括用于放大种子光的光放大器，以周期性频率间隔输出与种子光的输出方向相反方向输出宽带光的光波长滤波器和反射光 通过光学波长滤波器对光波长滤波器进行频谱切片。

公开(公告)号：US20100149965A1

公开(公告)日：2010-06-17

申请号：US12608916

申请日：2009-10-29

申请人： Eui-suk Jung ,  Jea-hoon Yu ,  Byoung-whi Kim ,  Jai-sang Koh ,  Dong-min Seol ,  Hong-shik Park ,  Mi-sun Ryu ,  Ji-yong Park

发明人： Eui-suk Jung ,  Jea-hoon Yu ,  Byoung-whi Kim ,  Jai-sang Koh ,  Dong-min Seol ,  Hong-shik Park ,  Mi-sun Ryu ,  Ji-yong Park

IPC分类号： G06F11/00

CPC分类号： H04L69/40

摘要： A method of restoring a target network to which users having different recovery requirements are connected is provided. The method includes analyzing network components including availability information of each user and parameters reflecting characteristics of the target network; and determining optimized restoration architecture for the target network based on the result of the analysis. Accordingly, when failure occurs in a network to which various subscribers having different recovery requirements are connected, the network can be promptly recovered from the failure.

摘要翻译： 提供了一种恢复连接具有不同恢复要求的用户的目标网络的方法。 该方法包括分析包括每个用户的可用性信息的网络组件和反映目标网络特征的参数; 并根据分析结果确定目标网络的优化恢复架构。 因此，当连接了具有不同恢复要求的各种用户的网络中发生故障时，可以迅速地从故障恢复网络。