公开(公告)号：US5903368A

公开(公告)日：1999-05-11

申请号：US784518

申请日：1997-01-17

申请人： Emmanuel Desurvire ,  Jose Chesnoy

发明人： Emmanuel Desurvire ,  Jose Chesnoy

IPC分类号： H04B10/00 ,  H04B10/18 ,  H04J14/00 ,  H04J14/04 ,  H04J14/06 ,  H04Q11/00

CPC分类号： H04B10/25077 ,  H04Q11/0003 ,  H04Q2011/0013 ,  H04Q2011/0022 ,  H04Q2011/0026 ,  H04Q2011/0035 ,  H04Q2011/0041 ,  H04Q2011/0045

摘要： Optical pulses carrying information to be conveyed are routed, for each pulse, by the intensity of the pulse. The pulses may be solitons. The invention is particularly applicable to long distance communications.

摘要翻译： 携带要传送的信息的光脉冲针对每个脉冲通过脉冲的强度被路由。 脉冲可以是孤子。 本发明特别适用于长距离通信。

公开(公告)号：US5801862A

公开(公告)日：1998-09-01

申请号：US787215

申请日：1997-01-22

申请人： Emmanuel Desurvire ,  Jose Chesnoy ,  Olivier Leclerc

发明人： Emmanuel Desurvire ,  Jose Chesnoy ,  Olivier Leclerc

IPC分类号： H03L7/00 ,  H04B10/04 ,  H04B10/06 ,  H04B10/142 ,  H04B10/152 ,  H04B10/18 ,  H04J14/00 ,  H04J14/02 ,  H04B10/00

CPC分类号： H04B10/25077 ,  H04J14/02

摘要： The object of the invention enables wavelength division multiplexed solitons conveyed by an optical fiber to be regenerated synchronously. The method uses clock recovery from the WDM signal, and synchronous modulation of the solitons at the clock rate recovered in this way. The locations for the optical modulators are selected to be at a distance between the transmitter and the first modulator or between successive modulators along the optical link such that the signals at different wavelengths are synchronous. The apparatus of the invention regenerates solitons in-line by synchronously modulating said solitons using an optical modulator, clock recovery, and multichannel filtering at the output from the modulator. In a particular embodiment, the telecommunications system of the invention also includes fiber lengths having different dispersion relationships depending on their position within the link, so as to achieve "dispersion management" within the link. The invention is applicable to optical telecommunications over great distances by means of solitons.

摘要翻译： 本发明的目的是使由光纤传送的波分复用孤子同步再生。 该方法使用WDM信号的时钟恢复，以这种方式恢复的时钟速率对孤子进行同步调制。 光调制器的位置被选择为在发射机和第一调制器之间的距离处或沿着光链路的连续调制器之间的距离，使得不同波长的信号是同步的。 本发明的装置通过在调制器的输出处使用光调制器，时钟恢复和多通道滤波同步调制所述孤子来直接再生孤子。 在特定实施例中，本发明的电信系统还包括具有不同色散关系的光纤长度，取决于它们在链路内的位置，从而实现链路内的“色散管理”。 本发明适用于通过孤岛的远距离光通信。

公开(公告)号：US06931213B2

公开(公告)日：2005-08-16

申请号：US09768153

申请日：2001-01-24

申请人： Emmanuel Desurvire

发明人： Emmanuel Desurvire

IPC分类号： H04B10/299 ,  H04J14/00 ,  H04J14/02 ,  H04L7/00 ,  H04B10/02 ,  H04B10/12 ,  H04B10/16 ,  H04B10/20

CPC分类号： H04B10/299 ,  H04B2210/258 ,  H04J14/02 ,  H04L7/0075

摘要： The invention relates to wavelength division multiplex fiber optic transmission systems. It proposes a regenerator including a demultiplexer for separating the signals of various channels, a plurality of optical modulators each receiving signals from the demultiplexer and a modulation clock from a clock distribution unit, and a multiplexer combining the signals modulated by the modulators. The clock distribution unit includes a reference clock and, for each modulator, means for synchronizing the phase of a copy of the reference clock with the signals applied to the modulator. A phase-locked loop can be used for phase synchronization, with a phase shifter controlled in accordance with the average power of the signals at the output of the modulator. The invention enables only low-frequency components to be used to generate modulation clocks from a single reference clock.

摘要翻译： 本发明涉及波分复用光纤传输系统。 它提出了一种再生器，包括用于分离各种信道的信号的解复用器，多个光调制器，每个光调制器都从解复用器接收信号，调制时钟来自时钟分配单元，以及多路复用器组合由调制器调制的信号。 时钟分配单元包括参考时钟，并且对于每个调制器，用于使参考时钟的副本的相位与施加到调制器的信号同步的装置。 锁相环可用于相位同步，移相器根据调制器输出端的信号的平均功率进行控制。 本发明仅能够使用低频分量从单个参考时钟产生调制时钟。

公开(公告)号：US06373608B1

公开(公告)日：2002-04-16

申请号：US09155901

申请日：1999-02-18

申请人： Emmanuel Desurvire ,  Jean-Pierre Hamaide

发明人： Emmanuel Desurvire ,  Jean-Pierre Hamaide

IPC分类号： H04B1000

CPC分类号： H04B10/25077 ,  H04B2210/258 ,  H04J14/02

摘要： The invention enables wavelength division multiplexed (WDM) solitons conveyed by an optical fiber to be regenerated synchronously. The invention consists in using optical delay lines, in particular of the photorefractive filter type, prior to the regenerators so as to resynchronize a subset of the m soliton channels, and in placing the regenerator at a position where the n-m other soliton channels are naturally synchronized.

摘要翻译： 本发明使得由光纤传送的波分复用（WDM）孤子同步再生。 本发明包括在再生器之前使用特别是光折射滤光器类型的光学延迟线，以便重新同步m个孤子通道的子集，以及将再生器放置在nm其他孤子通道自然同步的位置 。

公开(公告)号：US06556322B1

公开(公告)日：2003-04-29

申请号：US09240589

申请日：1999-02-01

申请人： Emmanuel Desurvire

发明人： Emmanuel Desurvire

IPC分类号： H04J1408

CPC分类号： H04J14/083

摘要： A method of detecting one or more free channels in a time-division multiplexed optical signal which may be used for insertion signals in switching nodes of optical communication networks. The method includes sampling successive optical pulses from at least one of said channels, measuring the average optical power of the sampled pulses during a predetermined time period, and generating a detection signal if said average optical power is less than or equal to a predetermined threshold value.

摘要翻译： 一种在光通信网络的交换节点中用于插入信号的时分多路复用光信号中检测一个或多个空闲信道的方法。 该方法包括从至少一个所述通道对连续的光脉冲进行采样，在预定时间段内测量采样脉冲的平均光功率，如果所述平均光功率小于或等于预定阈值，则产生检测信号 。

公开(公告)号：US06204960B1

公开(公告)日：2001-03-20

申请号：US09348003

申请日：1999-07-06

申请人： Emmanuel Desurvire

发明人： Emmanuel Desurvire

IPC分类号： H01S330

CPC分类号： H04B10/25077 ,  H04B10/291 ,  H04B10/2931

摘要： The invention concerns a wavelength-division multiplex soliton signal fiber optic transmission system; to reduce the effects of collision jitter on the soliton channels, it proposes quasi-distributed amplification combining lumped amplification and distributed amplification. In this way it is possible to combine pumping of a lightly doped line fiber an dumped amplification by an EDFA in the repeaters. Reduncant and common pumping means are advantageously used for the lumped amplification and the distributed amplification and the gain of the lumped amplification is advantageously controlled automatically.

摘要翻译： 本发明涉及一种波分复用孤子信号光纤传输系统; 为了减少碰撞抖动对孤子通道的影响，提出了组合放大和分布放大的准分布放大。 以这种方式，可以将轻掺杂线纤维的泵送与反馈器中的EDFA的倾倒放大相结合。 有利地，冗余和公共泵送装置用于集总放大和分布式放大，并且有利地自动地控制集总放大的增益。

公开(公告)号：US5892876A

公开(公告)日：1999-04-06

申请号：US860374

申请日：1997-06-25

申请人： Emmanuel Desurvire ,  Pascale Nouchi ,  Christian Le Sergent

发明人： Emmanuel Desurvire ,  Pascale Nouchi ,  Christian Le Sergent

IPC分类号： G02B6/036 ,  C03C13/04 ,  H01S3/067 ,  H01S3/07 ,  H01S3/17 ,  G02B6/02

CPC分类号： H01S3/06708 ,  C03C13/045 ,  H01S3/06729

摘要： The present invention relates to an optical fiber comprising an optical core (6) based on silica for guiding the majority of lightwaves and containing at least one fluorescent dopant, surrounded by optical cladding (5) likewise based on silica, and having a refractive index lower than that of said core, said core comprising: a central zone (2) of radius a.sub.0, containing said fluorescent dopant; and a peripheral zone (4) of radius a, surrounding said central zone, having a refractive index greater than that of said cladding, and not containing fluorescent dopant; the fiber being characterized in that said core (6) further comprises an intermediate zone (3) of radius a.sub.1 and having a softening temperature greater than that of central zone (2), said intermediate zone (3) being such that a.sub.0

摘要翻译： PCT No.PCT / FR96 / 01664 Sec。 371日期：1997年6月25日 102（e）日期1996年6月25日PCT 1996年10月24日PCT公布。 公开号WO97 / 16875 PCT 日期1997年5月9日本发明涉及一种光纤，其包括基于二氧化硅的光学芯（6），用于引导大多数光波并且包含至少一种荧光掺杂剂，其同样基于二氧化硅被光学包层（5）包围，并且具有 折射率低于所述芯的折射率，所述芯包括：半径为a0的中心区（2），包含所述荧光掺杂剂; 以及围绕所述中心区域的半径为+ E，ee + EE的周边区域（4），其折射率大于所述包层的折射率，并且不包含荧光掺杂剂; 所述纤维的特征在于，所述芯（6）还包括半径为a1的中间区（3），其软化温度大于中心区（2）的软化温度，所述中间区（3）使得a0 < 并且不含有任何荧光掺杂剂。

公开(公告)号：US07050722B2

公开(公告)日：2006-05-23

申请号：US09810251

申请日：2001-03-19

申请人： Olivier Leclerc ,  Emmanuel Desurvire

发明人： Olivier Leclerc ,  Emmanuel Desurvire

IPC分类号： H04B10/00

CPC分类号： H04B10/299 ,  H04B2210/258

摘要： A synchronous optical regenerator applies intensity modulation and phase modulation. The phase modulation is effected after the intensity modulation by the crossed Kerr effect in a Kerr fiber. The clock used for the phase modulation is obtained by injecting a continuous wavelength into the intensity modulator. The regenerator therefore includes a multiplexer coupling continuous light with the signals transmitted, an intensity modulator modulating the signals transmitted and the continuous light, and a Kerr fiber phase modulating the transmitted signals by crossed phase modulation with the intensity-modulated continuous light. Applications include wavelength division multiplex transmission systems.

摘要翻译： 同步光学再生器应用强度调制和相位调制。 相位调制是在克尔光纤中通过克尔效应的强度调制之后进行的。 用于相位调制的时钟是通过向强度调制器中注入连续波长而获得的。 因此，再生器包括耦合连续光与发射的信号的多路复用器，调制发射的信号的强度调制器和连续的光，以及通过具有强度调制的连续光的交叉相位调制对发送的信号进行调制的克尔光纤相位。 应用包括波分复用传输系统。

公开(公告)号：US06674973B2

公开(公告)日：2004-01-06

申请号：US09313639

申请日：1999-05-18

申请人： Olivier Leclerc ,  Emmanuel Desurvire

发明人： Olivier Leclerc ,  Emmanuel Desurvire

IPC分类号： H04B1002

CPC分类号： H04B10/25077

摘要： The invention concerns a fiber optic soliton signal transmission system comprising a signal amplifier means and signal regenerator means, in-line first filter means and second filter means associated with the regenerator means, the second filter means being different from the first filter means. Independent optimization of the in-line filter means and the filter means associated with the regenerator improves the performance of the transmission system. In the case of wavelength division multiplexed systems, the invention reduces the effects of jitter induced by collisions between solitons.

摘要翻译： 本发明涉及一种光纤孤子信号传输系统，其包括信号放大器装置和信号再生器装置，在线第一滤波器装置和与再生器装置相关联的第二滤波器装置，第二滤波器装置与第一滤波器装置不同。独立优化 在线滤波器装置和与再生器相关联的滤波器装置改善了传输系统的性能。在波分复用系统的情况下，本发明减少了由孤子之间的碰撞引起的抖动的影响。

公开(公告)号：US06327061B1

公开(公告)日：2001-12-04

申请号：US09089378

申请日：1998-06-03

申请人： Emmanuel Desurvire

发明人： Emmanuel Desurvire

IPC分类号： H04J1402

CPC分类号： H04B10/25077 ,  H04J14/02

摘要： An optical fiber transmission system for soliton signals with wavelength multiplexing in which the bit times of the various channels &lgr;1 to &lgr;n of the multiplex are substantially synchronous, at least at one point. At least one saturable absorber is located at this point. The channels can be made synchronous by an appropriate selection of wavelengths, or by using optical delay lines, or the like. The saturable absorber then modulates the intensity of the soliton signals in the various channels of the multiplex. It is possible to use a clock for remotely driving the saturable absorber. The invention also relates to a corresponding transmission method. The invention makes it possible to transmit over long distances without using active components.

摘要翻译： 一种用于具有波长多路复用的孤子信号的光纤传输系统，其中多路复用的各个信道lambd1至lambdn的位时间至少在一个点处基本同步。 至少有一个可饱和吸收器位于此点。 可以通过适当的波长选择或者使用光学延迟线等来使通道同步。 可饱和吸收器然后调制多路复用的各种通道中孤子信号的强度。 可以使用时钟来远程驱动可饱和吸收器。 本发明还涉及相应的传输方法。 本发明使得可以在不使用有源部件的情况下长距离地传输。