公开(公告)号：EP3301830A1

公开(公告)日：2018-04-04

申请号：EP16290191.2

申请日：2016-09-30

申请人： ALCATEL LUCENT

发明人： Straub, Michael ,  Hehmann, Jörg ,  Bonk, Rene ,  Pöhlmann, Wolfgang

IPC分类号： H04B10/079 ,  H04B10/294

CPC分类号： H04B10/2941 ,  H04B10/07955

摘要： The invention concerns a method for improving signal transmission in a passive optical network. The method comprises balancing, by a network element (2), at least two optical signals (13a, 13b, 13c, 13d) by attenuating one or more of the at least two optical signals (13a, 13b, 13c, 13d). The invention concerns further the network element (2) and a software program product used to implement the method.

摘要翻译： 本发明涉及一种用于改善无源光网络中的信号传输的方法。 该方法包括通过衰减所述至少两个光信号（13a，13b，13c，13d）中的一个或多个来由网元（2）平衡至少两个光信号（13a，13b，13c，13d）。 本发明还涉及网络元件（2）和用于实现该方法的软件程序产品。

公开(公告)号：EP2854310A1

公开(公告)日：2015-04-01

申请号：EP13306352.9

申请日：2013-09-30

申请人： ALCATEL LUCENT

发明人： Bonk, Rene ,  Schmuck, Harald ,  Pöhlmann, Wolfgang

IPC分类号： H04B10/297

CPC分类号： H04J14/0221 ,  H04B10/27 ,  H04B10/272 ,  H04B10/2972 ,  H04J14/0282

摘要： Proposed is an OLT for a passive optical wavelength division multiplex network. The network contains optical transmitters for generating downstream signals of an L-Band, as well as optical receivers for receiving upstream signals of a C-Band. Furthermore, the OLT contains a bi-directional SOA and an optical interface. The optical interface, the SOA, the transmitters and the receivers are optically coupled such that an upstream signal received at the optical interface is firstly provided to the bi-directional SOA and subsequently from the SOA to one of the receivers, and such that a downstream signal generated by one of the transmitters is firstly provided to the bi-directional SOA and then subsequently to the optical interface. The bi-directional SOA has a gain function that is not constant with respect to a wavelength of an optical signal to be amplified. Furthermore, the gain function is maximal for a wavelength located within the C-band.

摘要翻译： 提出了一种用于无源光波分复用网络的OLT。 网络包含用于生成L波段的下行信号的光发射机，以及用于接收C波段的上行信号的光接收机。 此外，OLT包含双向SOA和光接口。 光接口，SOA，发射机和接收机是光学耦合的，使得在光接口处接收的上行信号首先被提供给双向SOA，随后从SOA到接收机之一，并且使得下行 首先将一个发射机产生的信号提供给双向SOA，然后再提供给光接口。 双向SOA具有相对于待放大的光信号的波长不恒定的增益函数。 此外，增益函数对于位于C波段内的波长是最大的。

公开(公告)号：EP2503712A1

公开(公告)日：2012-09-26

申请号：EP11290141.8

申请日：2011-03-18

申请人： Alcatel Lucent

发明人： Pöhlmann, Wolfgang ,  Chen, Young-Kai

IPC分类号： H04B10/17 ,  H04Q11/00

CPC分类号： H04B10/2918 ,  H04Q2213/1301

摘要： The present document relates to optical transmission systems. In particular, the present document relates to the reach extenders for passive optical networks (PON). A point to multipoint optical-electrical-optical extender (200) for a passive optical network is described. The extender (200) comprises a point-to-point optical-electrical-optical converter (212, 230) adapted to amplify an optical downlink feeder signal on a feeder optical transmission channel (250) on a downlink from an optical line terminal (101) to a plurality of optical network terminals (102), thereby yielding the amplified optical downlink feeder signal (251); and a multipoint-to-point optical-electrical-optical converter (214, 213, 212) adapted to amplify a plurality of optical uplink drop signals (255) on an uplink from the plurality of optical network terminals (102) to the optical line terminal (101).

摘要翻译： 本文件涉及光传输系统。 特别地，本文件涉及无源光网络（PON）的扩展器。 描述了用于无源光网络的点对多点光电扩展器（200）。 扩展器（200）包括点对点光电转换器（212,230），其适于在光线路终端（101）的下行链路上放大馈电光传输信道（250）上的光下行馈线信号 ）到多个光网络终端（102），从而产生放大的光下行馈线信号（251）; 以及适于在从所述多个光网络终端（102）到所述光线路（102）的上行链路上放大多个光学上行链路丢弃信号（255）的多点对点光电转换器（214,213,212） 终端（101）。

公开(公告)号：EP2854310B1

公开(公告)日：2017-07-12

申请号：EP13306352.9

申请日：2013-09-30

申请人： ALCATEL LUCENT

发明人： Bonk, Rene ,  Schmuck, Harald ,  Pöhlmann, Wolfgang

IPC分类号： H04B10/272 ,  H04B10/27 ,  H04J14/02 ,  H04B10/297

CPC分类号： H04J14/0221 ,  H04B10/27 ,  H04B10/272 ,  H04B10/2972 ,  H04J14/0282

摘要： Proposed is an OLT for a passive optical wavelength division multiplex network. The network contains optical transmitters for generating downstream signals of an L-Band, as well as optical receivers for receiving upstream signals of a C-Band. Furthermore, the OLT contains a bi-directional SOA and an optical interface. The optical interface, the SOA, the transmitters and the receivers are optically coupled such that an upstream signal received at the optical interface is firstly provided to the bi-directional SOA and subsequently from the SOA to one of the receivers, and such that a downstream signal generated by one of the transmitters is firstly provided to the bi-directional SOA and then subsequently to the optical interface. The bi-directional SOA has a gain function that is not constant with respect to a wavelength of an optical signal to be amplified. Furthermore, the gain function is maximal for a wavelength located within the C-band.

摘要翻译： 建议用于无源光波分复用网络的OLT。 该网络包含用于产生L波段的下游信号的光发射器，以及用于接收C波段的上游信号的光接收器。 此外，OLT包含一个双向SOA和一个光接口。 光学接口，SOA，发射器和接收器被光学耦合，使得在光学接口处接收的上游信号首先被提供给双向SOA并且随后从SOA到接收器中的一个，并且使得下游 首先将一个发射器产生的信号提供给双向SOA，然后提供给光学接口。 双向SOA具有相对于要放大的光信号的波长不恒定的增益函数。 此外，对于位于C波段内的波长，增益函数是最大的。

公开(公告)号：EP2757709A1

公开(公告)日：2014-07-23

申请号：EP13305073.2

申请日：2013-01-21

申请人： Alcatel Lucent

发明人： Pöhlmann, Wolfgang

IPC分类号： H04B10/67 ,  G02F3/02 ,  H04J14/02

CPC分类号： H04J14/025 ,  H04B10/675 ,  H04J14/0246 ,  H04J14/0265 ,  H04J14/0282

摘要： The present document relates to passive optical networks (PON). In particular, the present document relates to an optical filter for Wavelength Division Multiplex (WDM) PONs. A Receiver Optical Subassembly (ROSA) for a WDM-PON ONU (151, 152) is described. The ROSA comprises a downstream filter (170) configured to isolate a first optical downstream signal (182) at a first downstream wavelength from an optical WDM downstream signal (183) comprising a plurality of downstream wavelengths. The downstream filter (170) comprises a first reflective plate (203) configured to let pass the optical WDM downstream signal (183) in a first propagation direction, and configured to reflect the optical WDM downstream signal (183) in a second propagation direction. The second propagation direction is opposite to the first propagation direction. Furthermore, the downstream filter (170) comprises a second reflector (202, 221) configured to reflect the optical WDM downstream signal (183) in the first propagation direction. The first reflective plate (203) and the second reflector (202, 221) form a resonator cavity having an optical path length (231). In addition, the downstream filter (170) comprises path length modification means configured to modify the optical path length (231) of the resonator cavity to adjust a pass band of the downstream filter (170) to the first downstream wavelength. The ROSA further comprises a photodetector (162) configured to convert the first optical downstream signal (182) into an electrical signal.

摘要翻译： 本文件涉及无源光网络（PON）。 具体地，本文件涉及用于波分复用（WDM）PON的光滤波器。 描述了用于WDM-PON ONU（151,152）的接收机光学子组件（ROSA）。 ROSA包括被配置为将第一下游波长的第一光下游信号（182）与包括多个下游波长的光WDM下行信号（183）隔离的下游滤波器（170）。 下游滤波器（170）包括：第一反射板（203），被配置为沿第一传播方向通过光WDM下行信号（183），并且被配置为在第二传播方向上反射光WDM下行信号（183）。 第二传播方向与第一传播方向相反。 此外，下游滤波器（170）包括被配置为在第一传播方向上反射光学WDM下行信号（183）的第二反射器（202,221）。 第一反射板（203）和第二反射器（202,221）形成具有光路长度（231）的谐振腔。 此外，下游滤波器（170）包括路径长度修改装置，其被配置为修改谐振器腔的光路长度（231），以将下游滤波器（170）的通带调整到第一下游波长。 ROSA还包括被配置为将第一光学下行信号（182）转换成电信号的光电检测器（162）。

公开(公告)号：EP2088702A1

公开(公告)日：2009-08-12

申请号：EP08290145.5

申请日：2008-02-11

申请人： Alcatel Lucent

发明人： Krimmel, Heinz Georg ,  Pöhlmann, Wolfgang

IPC分类号： H04J3/16 ,  H04J7/00

CPC分类号： H04J3/1694 ,  H04J7/00

摘要： The invention relates to an optical network termination (3) for receiving a multi-speed, multi-level signal (7) comprising a first discrete-level signal having a first speed and a second discrete-level signal (8) having a second speed, the second speed being an integer multiple of the first speed, the optical network termination (3) comprising: a clock recovery circuit (15) adapted to recover the clock of the second discrete-level signal (8) from the multi-speed, multi-level signal (7). The clock recovery circuit (15) is adapted to recover the clock of the second discrete-level signal (8) from the first discrete-level signal (6) of the multi-speed, multi-level signal (7), preferably by synchronizing a local oscillator (16a) generating the second speed to the first discrete-level signal (6). The invention also relates to a passive optical network comprising such an optical network termination (3), to a method for receiving a multi-speed, multi-level signal (7), and to a computer program product for implementing the method.

摘要翻译： 本发明涉及一种用于接收多速多电平信号（7）的光网络终端（3），其包括具有第一速度的第一离散电平信号和具有第二速度的第二离散电平信号（8） ，所述第二速度是所述第一速度的整数倍，所述光网络终端（3）包括：时钟恢复电路（15），适于从所述多速度恢复所述第二离散电平信号（8）的时钟， 多级信号（7）。 时钟恢复电路（15）适于从多速多电平信号（7）的第一离散电平信号（6）中恢复第二离散电平信号（8）的时钟，优选地通过同步 对第一离散电平信号（6）产生第二速度的本地振荡器（16a）。 本发明还涉及一种包括这种光网络终端（3）的无源光网络，一种用于接收多速度多级信号（7）的方法，以及一种用于实现该方法的计算机程序产品。

公开(公告)号：EP2680472B1

公开(公告)日：2018-08-08

申请号：EP12174482.5

申请日：2012-06-29

申请人： Alcatel Lucent

发明人： Pöhlmann, Wolfgang

IPC分类号： H04J14/02 ,  H04B10/67

CPC分类号： H04J14/0221 ,  H04B10/675 ,  H04J14/0246 ,  H04J14/0247 ,  H04J14/025 ,  H04J14/0252 ,  H04J14/0272 ,  H04J14/0282

摘要： Proposed is an optical network unit for an optical access network. The unit contains an optical interface, which receives an optical downstream signal from an optical fiber. The unit contains furthermore a tunable optical filter, which filters out a respective tunable wavelength bandwidth from the optical downstream signal, and an optical reception unit, which converts the filtered optical downstream signal to an electrical signal. Finally, the unit contains a control unit, which observes a signal power of the filtered optical downstream signal, and tunes the wavelength bandwidth of the optical filter, such that the signal power of the filtered optical downstream signal is maximized, using the electrical signal.

公开(公告)号：EP2503712B1

公开(公告)日：2016-08-17

申请号：EP11290141.8

申请日：2011-03-18

申请人： ALCATEL LUCENT

发明人： Pöhlmann, Wolfgang ,  Chen, Young-Kai

IPC分类号： H04B10/291

CPC分类号： H04B10/2918 ,  H04Q2213/1301

公开(公告)号：EP2755350A1

公开(公告)日：2014-07-16

申请号：EP13290008.5

申请日：2013-01-15

申请人： Alcatel Lucent

发明人： Pöhlmann, Wolfgang ,  Suikat, Detlef

IPC分类号： H04L7/033 ,  H03L7/081 ,  H04J3/04

CPC分类号： H03L7/081 ,  H03L7/091 ,  H03L7/0996 ,  H04J3/047 ,  H04L7/0337

摘要： The invention relates to an apparatus (100) for performing clock and/or data recovery for a data signal (dsi) of a first data rate, wherein said apparatus (100) comprises a controllable oscillator (110) for providing a clock signal (clk), and wherein said apparatus (100) further comprises a PLL, phased locked loop, unit (120) for controlling a phase and/or a frequency of said clock signal (clk) depending on said data signal (dsi), wherein both said controllable oscillator (110) and said PLL unit (120) are configured to operate at a frequency which corresponds to a second data rate, said second data rate being lower than said first data rate.

摘要翻译： 本发明涉及一种用于对第一数据速率的数据信号（dsi）执行时钟和/或数据恢复的装置（100），其中所述装置（100）包括可控振荡器（110），用于提供时钟信号（clk ），并且其中所述装置（100）还包括PLL，锁相环，用于根据所述数据信号（dsi）控制所述时钟信号（clk）的相位和/或频率的单元（120），其中所述 可控振荡器（110）和所述PLL单元（120）被配置为以对应于第二数据速率的频率操作，所述第二数据速率低于所述第一数据速率。

公开(公告)号：EP2555542A1

公开(公告)日：2013-02-06

申请号：EP11306006.5

申请日：2011-08-02

申请人： Alcatel Lucent

发明人： Pöhlmann, Wolfgang ,  Pfeiffer, Thomas

IPC分类号： H04Q11/00

CPC分类号： H04Q11/0067 ,  H04Q2011/0081 ,  H04Q2011/009

摘要： Proposed is a method of connecting optical network elements in an optical access network. A plurality of optical time division multiplex (TDM) downstream signals is received via first optical point-to-point connections and distributed onto second optical point-to-point connections such that a single of the second respective optical point-to-point connections is provided with only one of the said optical TDM downstream signals and such that at least one of the optical TDM downstream signals is distributed onto a plurality of the second respective optical point-to-point connections. The distribution includes converting the optical TDM downstream signals into respective electrical TDM downstream signals and switching the electrical TDM downstream signals.

摘要翻译： 提出在光接入网络中连接光网元的方法。 经由第一光点对点连接接收多个光时分多路复用（TDM）下行信号，并将其分配到第二光点对点连接上，使得第二相应的光点对点连接中的单个 仅提供所述光TDM下行信号中的一个，并且使得光TDM下行信号中的至少一个分布到多个第二相应的光点对点连接上。 分配包括将光TDM下行信号转换成相应的电TDM下行信号并切换电TDM下行信号。