公开(公告)号：EP1037413A1

公开(公告)日：2000-09-20

申请号：EP00200774.8

申请日：2000-03-06

申请人： PIRELLI CAVI E SISTEMI S.p.A.

发明人： Boffi, Pierpaolo ,  Maier, Guido Alberto ,  Marazzi Lucia ,  Martinelli, Mario ,  Parolari, Paola ,  Piccinin, Davide ,  Sguazzotti, Alessandro

IPC分类号： H04B10/142 ,  G02B6/28

CPC分类号： H04B10/29 ,  G02B6/2861 ,  H04B10/67

摘要： Optical apparatus (100) for selecting a predetermined item of information from a coherent optical signal (1000) carrying a set of digital data, the said optical apparatus (100) comprising:

an input (10) for the said coherent optical signal (1000);
an optical-optical device (20) connected to the said input (10) for propagating the said coherent optical signal (1000), the said optical-optical device (20) being capable of generating a highly incoherent light having a predetermined coherence time and of transferring the said set of digital data carried by the said coherent optical signal (1000) to the said highly incoherent light in such a way as to provide at its output a highly incoherent optical signal (2000) carrying the said set of digital data,
an optical beam splitter (30) for cloning the said highly incoherent optical signal (2000) into at least two highly incoherent optical signals, the said optical beam splitter (30) having an input connected to the said optical-optical device (20) and at least two outputs for the said at least two highly incoherent optical signals;
at least two optical delay lines (40) connected to the said at least two outputs of the said optical beam splitter (30), the said at least two optical delay lines (40) having different wavelengths from each other, the difference in length between the said at least two optical delay lines (40) being such that the said at least two highly incoherent optical signals are delayed with respect to each other by a predetermined time, the said predetermined time being greater than the said predetermined coherence time of the said highly incoherent optical signal and being chosen in accordance with the said predetermined item of information which is to be selected;
an optical coupler (50) with at least two inputs connected to the said at least two optical delay lines (40), and one output, the said coupler being capable of recombining the said at least two highly incoherent optical signals into a single highly incoherent optical output signal (3000) having an intensity which is at a maximum in the presence of the said predetermined item of information which is to be selected.

摘要翻译： 光学设备（100），用于从相干光信号（1000）选择的信息的预定项目承载一组数字数据，所述的光学装置（100），包括：输入（10），用于将所述相干光信号（1000） ; 光光学装置（20）连接到用于传播所述相干光信号（1000），所述光光学装置（20）能够产生具有预定相干时间高度非相干光，并且所述输入端（10） 传递环的所述一组由所述相干光信号（1000）到所述高非相干光在谋求携带所述组的数字数据的一种方式，在它的输出，以提供高度的非相干光信号（2000）中进行数字数据的， 到用于所述高度非相干光信号（2000）克隆到至少两个高度非相干光信号的光分束器（30），具有输入所述光学分束器（30）连接到所述光光学装置（20）和 至少两个输出端的所述至少两个非相干高度光信号; 连接到所述光分束器（30）的所述至少两个输出端的至少两个光学延迟线（40），所述至少两个光学延迟线（40），具有从海誓山盟不同的波长，在之间的长度差 被检查的所述至少两个光学延迟线（40），DASS模具，所述至少两个高度非相干光信号由预定的时间延迟相对于海誓山盟，所述预定时间大于所述说的所述预定的相干时间大 高度非相干光信号，并与所有的信息将被选择的所述预定项目雅舞蹈被选择; 到光学耦合器（50）与连接到所述至少两个光学延迟线（40），至少有两个输入和一个输出，所述的耦合器能够重新组合所述至少两种高度不相干的光信号到一个单一的高度非相干的 具有强度的所有光输出信号（3000），其是在所有的信息的预定的所述物品是要被选择的存在最大值。

公开(公告)号：EP0886167A1

公开(公告)日：1998-12-23

申请号：EP98201855.8

申请日：1998-06-04

申请人： PIRELLI CAVI E SISTEMI S.p.A.

发明人： Boffi, Pierpaolo ,  Martinelli, Mario ,  Piccinin, Davide

IPC分类号： G02F1/01 ,  G02F1/35

CPC分类号： G02F1/0338 ,  G02F1/0126

摘要： Opto-optical switching device comprising:

a) first elementary switching module (2000;4000) which in turn comprises

i) a crystalline element without internal planes of separation and which is (200;400) capable of rotating the plane of polarization of a polarized optical signal by a predetermined angle under the action of an optical control beam (320;310), and
ii) a polarization analyzer (20;40) capable of selecting, according to a predetermined plane, the said polarized optical signal issuing from the said crystalline element (200;400),

b) first means for supplying the said polarized optical signal to the said elementary switching module (2000;4000), and
c) second means for supplying the said optical control beam (320;310) to the said elementary switching module (2000;4000),
in which the said first and second means route at least two different polarized optical signals (1;2;3;4) and at least one optical control beam (320;310) in the said crystalline element (200;400) such that the said at least one control beam (320;310) is substantially collinear with and superimposed on the said at least two polarized optical signals (1;2;3;4).

摘要翻译： 光学开关装置，包括：a）第一元件切换模块（2000; 4000），其又包括i）没有内部分离平面的结晶元件，其是（200; 400）能够旋转极化的极化平面 光信号在光控制光束（320; 310）的作用下具有预定角度，以及ii）能够根据预定平面选择从所述光控制光束发出的所述偏振光信号的偏振分析器（20; 40） 晶体元件（200; 400），b）用于将所述偏振光信号提供给所述基本开关模块（2000; 4000）的第一装置，以及c）用于将所述光学控制光束（320; 310） 所述基本切换模块（2000; 4000），其中所述第一和第二装置在所述第一和第二装置中路由至少两个不同的偏振光信号（1; 2; 3; 4）和至少一个光控制光束（320; 310） 结晶元件（200; 400），使得所述 至少一个控制光束（320; 310）与所述至少两个偏振光信号（1; 2; 3; 4）基本共线并叠加在所述至少两个偏振光信号上。

公开(公告)号：EP1004954B1

公开(公告)日：2004-05-12

申请号：EP98203978.6

申请日：1998-11-25

申请人： PIRELLI CAVI E SISTEMI S.p.A.

发明人： Boffi, Pierpaolo ,  Piccinin, Davide ,  Martinelli, Mario ,  Rossetti, Damiano

IPC分类号： G06E3/00

CPC分类号： G06E1/00

公开(公告)号：EP0926783A1

公开(公告)日：1999-06-30

申请号：EP98204338.2

申请日：1998-12-18

申请人： PIRELLI CAVI E SISTEMI S.p.A.

发明人： Boffi, Pierpaolo ,  Marazzi, Lucia ,  Martinelli, Mario ,  Parolari, Paola

IPC分类号： H01S3/00

CPC分类号： H01S3/0057 ,  G02F1/3519 ,  G02F2203/26 ,  H01S3/06754 ,  H01S3/302 ,  H01S2301/08

摘要： An optical rectangular pulse generator comprising:

An optical coupler for introducing an optical activation pulse (12) into a feedback loop, and for extracting an optical output signal (14) from the feedback loop;
an optical amplifier (26) included in the feedback loop, wherein the optical activation pulse communicated to the optical coupler is split by the optical coupler into a leading portion of the optical output signal and a feedback optical signal, the feedback optical signal being amplified by the optical amplifier and transmitted to the optical coupler to sustain the optical output signal beyond termination of the optical activation pulse; and
an optical element (28;34,36) included in the feedback loop for surpressing the feedback optical signal in response to receipt of an optical deactivation pulse (16), so that the sustained optical output signal is terminated.

摘要翻译： 一种光学矩形脉冲发生器，包括：光耦合器，用于将光激活脉冲（12）引入到反馈回路中，并用于从反馈回路提取光输出信号（14）; 包括在反馈回路中的光放大器（26），其中传送到光耦合器的光激活脉冲由光耦合器分裂成光输出信号的前导部分和反馈光信号，反馈光信号由 光放大器并传输到光耦合器，以维持超过光激活脉冲终止的光输出信号; 以及包括在所述反馈回路中用于响应于接收到光学去激活脉冲（16）来反馈所述反馈光信号的光学元件（28; 34,36），使得持续的光输出信号被终止。

公开(公告)号：EP0889606A1

公开(公告)日：1999-01-07

申请号：EP98202096.8

申请日：1998-06-24

申请人： PIRELLI CAVI E SISTEMI S.p.A.

发明人： Boffi, Pierpaolo ,  Maier, Guido Alberto ,  Martinelli, Mario

IPC分类号： H04B10/00 ,  H04Q11/00 ,  H04Q11/04 ,  G06E1/02 ,  G06E1/04

CPC分类号： H04Q11/0003 ,  G06E1/02 ,  H04L2012/5652 ,  H04Q11/0066 ,  H04Q11/0478 ,  H04Q2011/0013 ,  H04Q2011/0015 ,  H04Q2011/002 ,  H04Q2011/0024 ,  H04Q2011/0041

摘要： An optical device to perform an asynchronous and parallel processing of a N bits serial stream ( y ) of an optical digital signal comprises a) a serial to parallel converter (A) which converts said serial stream ( y ) of N bits into a first parallel pattern ( y ') of N bits carrying the same information as said serial stream ( y ) of N bits; b) optical means (3, 4) to produce, from said parallel pattern ( y ') of N bits, a first two-dimensional (2-D) image ( Y ) made of N rows and M columns ( N x M ) of bits, each column being associated to said digital optical signal by a predetermined relationship; c) means (5, 6, 8, 10) to perform logic operations on the bits of said first 2-D image ( Y ); and d) means to send to an output the results of said logic operations.

摘要翻译： 执行光数字信号的N位串行流（y）的异步和并行处理的光学装置包括a）串行到并行转换器（A），其将所述N位串行流（y）转换为第一并行 具有与所述N位串行流（y）相同信息的N位的模式（y'）; b）从N位的所述并行图案（y'）产生由N行和M列（N×M）位构成的第一二维（2-D）图像（Y）的光学装置（3,4） 每列与预定关系的所述数字光信号相关联; c）对所述第一2D图像（Y）的比特执行逻辑运算的装置（5,6,8,10）; 以及d）用于向所述输出发送所述逻辑运算的结果的装置。

公开(公告)号：EP1004954A1

公开(公告)日：2000-05-31

申请号：EP98203978.6

申请日：1998-11-25

申请人： PIRELLI CAVI E SISTEMI S.p.A.

发明人： Boffi, Pierpaolo ,  Piccinin, Davide ,  Martinelli, Mario ,  Rossetti, Damiano

IPC分类号： G06E3/00

CPC分类号： G06E1/00

摘要： An optical device (500) comprising

a first element (100) capable of supplying a digital optical signal comprising at least one sequence (1000) of N bits modulated by a suitable phase modulation;
a series-parallel converter (6) for converting the said at least one sequence (1000) of N bits into a spatial pattern (3000) of N bits in parallel, carrying the same information as the said sequence (1000) of N bits; and
a second element (9) capable of carrying out an operation of comparison between the said spatial pattern (3000) of N bits and a predetermined spatial reference pattern of N bits, and of supplying at the output a signal (2000) having an intensity whose value depends on the result of the said comparison operation,
in which the said suitable phase modulation is 0/απ, in which 0

摘要翻译： 一种光学装置（500），包括能够提供数字光信号的第一元件（100），所述数字光信号包括由适当的相位调制调制的N位的至少一个序列（1000） 用于将所述至少一个N比特序列（1000）并行转换成N比特的空间模式（3000）的串并行转换器（6），其携带与所述N比特序列（1000）相同的信息; 以及能够执行N位的所述空间模式（3000）和N位的预定空间参考模式之间的比较操作的第二元件（9），并且在输出端提供具有强度的信号（2000） 其值取决于所述比较操作的结果，其中所述适合的相位调制为0 /αpi，其中0 <α<1。

公开(公告)号：EP0974888A1

公开(公告)日：2000-01-26

申请号：EP99202313.5

申请日：1999-07-14

申请人： PIRELLI CAVI E SISTEMI S.p.A.

发明人： Boffi, Pierpaolo ,  Martinelli, Mario ,  Piccinin, Davide ,  Ubaldi, Maria Chiara

IPC分类号： G06E1/02

CPC分类号： G06E1/02 ,  H03M9/00

摘要： An optical device (6) for processing an input optical serial sequence (1000) of phase-modulated N-bits having a predetermined one-bit time slot in order to compare said input optical serial sequence (1000) of phase-modulated N-bits with a predetermined sequence of N-bits, said device comprising

a) input means (64) for said input optical serial sequence (1000) of phase-modulated N-bits;
b) a first optical element (61; 701) for converting said input optical serial sequence (1000) of phase-modulated N-bits into an optical parallel pattern (3000) of phase-modulated N-bits carrying the same information as said input optical serial sequence (1000) of phase-modulated N-bits;
c) a second optical element (616; 619; 62; 704) capable of causing a phase delay of at least one bit of said optical parallel pattern (3000), said phase delay having a preselected value depending on said predetermined N-bits sequence.

摘要翻译： 对于为了比较的相位调制的N位的所述输入光串行序列（1000），其具有预定的一个位时隙相位调制的N位的输入光串行序列（1000）的处理的光学装置（6） 与N-比特的相位调制的N位的输入光学所述串行序列（1000）规定的序列，所述装置包括a）输入装置（64）; 用于将相位调制的N位的所述输入光串行序列（1000）成携带相同的信息，所述输入相位调制的N位的并行的光学图案（3000）701）; b）第一光学元件（61 相位调制的N位的光串行序列（1000）; c）第二光学元件（616; 619; 62; 704），其能够使所述光平行图案的至少一个比特（3000）的相位延迟的，具有预选值取决于所述预定N位序列，所述相位延迟 ，

公开(公告)号：EP1037412A1

公开(公告)日：2000-09-20

申请号：EP00200773.0

申请日：2000-03-06

申请人： PIRELLI CAVI E SISTEMI S.p.A.

发明人： Boffi, Pierpaolo ,  Marazzi, Lucia ,  Martinelli, Mario ,  Parolari, Paola

IPC分类号： H04B10/142 ,  H04B10/17

CPC分类号： H04B10/291

摘要： An optical-optical device (20) comprising:

an input (23) for a coherent optical signal (1000) carrying a set of digital data;
an active waveguide (21) optically connected to the said input (23) for the propagation of the said coherent optical signal (1000), the said active waveguide (21) having a first (211) and a second (212) end and being capable of generating highly incoherent light;
a pump source for pumping the said active waveguide (21) and obtaining a predetermined gain; and
an output (24), optically connected to the said second end (212) of the said active waveguide (21), for the exclusive output of at least part of the said highly incoherent light;
in which the said coherent optical signal (1000) has a power and a wavelength selected in such a way that the said set of digital data which it carries is transferred to the said highly incoherent light during its propagation in the said active waveguide (21).

摘要翻译： 一种光学设备（20），包括：用于携带一组数字数据的相干光信号（1000）的输入（23）; 与所述输入端（23）光学连接的用于传播所述相干光信号（1000）的有源波导（21），所述有源波导（21）具有第一（211）和第二（212）端，并且 能够产生高度不相干的光; 用于泵浦所述有源波导（21）并获得预定增益的泵浦源; 以及与所述有源波导（21）的所述第二端（212）光学连接的输出（24），用于对所述高度非相干光的至少一部分进行排他输出; 其中所述相干光信号（1000）具有选择的功率和波长，使得所传送的所述数字数据组在其在所述有源波导（21）中的传播期间被传送到所述高度非相干光， 。

公开(公告)号：EP0886397A1

公开(公告)日：1998-12-23

申请号：EP98201856.6

申请日：1998-06-04

申请人： PIRELLI CAVI E SISTEMI S.p.A.

发明人： Boffi, Pierpaolo ,  Martinelli, Mario ,  Mottarella, Diego ,  Piccinin, Davide

IPC分类号： H04J14/00 ,  H04Q11/00

CPC分类号： H04B10/11 ,  H04Q11/0003 ,  H04Q2011/0015 ,  H04Q2011/002 ,  H04Q2011/0024 ,  H04Q2011/0026 ,  H04Q2011/0035 ,  H04Q2011/0039 ,  H04Q2011/0041

摘要： An optical device for processing a digital optical signal in parallel and in free space, the said device comprising:

a) means of input (60, 600) in guided propagation of a digital optical signal (6) comprising at least one temporal series (7a) of n bits;
b) means capable of converting the said digital optical signal (6) to a beam of n digital optical signals in guided propagation (1, 2, 3, 4), each comprising at least one temporal series (7a) of n bits;
c) means capable of converting the said beam of n digital optical signals in guided propagation (1, 2, 3, 4), each comprising the said at least one temporal series (7a) of n bits, to a beam of n digital optical signals in free space (111, 112, 113 and 114);
d) means capable of selecting, in parallel and in free space, a bit preselected from the said at least one temporal series (7a) of n bits of each of the said n digital optical signals (111, 112, 113, 114), so as to transform the said at least one temporal series (7a) of n bits into a spatial figure (7d) of the said n bits which carries the same information as that previously contained in the said at least one temporal series (7a),
the said device further comprising
e) optical means capable of modifying, in parallel and in free space, at least one bit of the said spatial figure (7d) of the said n bits, the said means being selected by a group comprising means capable of eliminating at least one bit, means capable of inserting at least one bit and means capable of modifying the form of at least one bit, and
f) means of output of a processed digital optical signal (900), comprising at least one series of n bits.

摘要翻译： 一种用于并行和自由空间处理数字光信号的光学装置，所述装置包括：a）数字光信号（6）的导向传播中的输入装置（60,600），包括至少一个时间序列（7a ）n位; b）能够在导向传播（1,2,3,4）中将所述数字光信号（6）转换成n个数字光信号的波束的装置，每个包括n位的至少一个时间序列（7a）; c）能够将每个包括所述至少一个n位的所述至少一个时间序列（7a）的导向传播（1,2,3,4）中的所述n个数字光信号的所述光束转换成n个数字光学的光束的装置 信号在自由空间（111,112,113和114）中; d）能够并行地和在自由空间中选择从所述n个数字光信号（111,112,113,114）中的每一个的n位的所述至少一个时间序列（7a）预先选择的位的装置， 以便将所述至少一个n位的时间序列（7a）变换为所述n个比特的空间图（7d），其携带与先前包含在所述至少一个时间序列（7a）中的信息相同的信息， 所述装置还包括e）能够平行和自由空间中修改所述n个比特的所述空间图形（7d）的至少一个比特的光学装置，所述装置由包括能够 消除至少一个位，能够插入至少一个位的装置和能够修改至少一个位的形式的装置，以及f）经处理的数字光信号（900）的输出装置，包括至少一系列n 位。