公开(公告)号：US09716553B2

公开(公告)日：2017-07-25

申请号：US14397393

申请日：2012-04-30

申请人： Antonella Bogoni ,  Paolo Ghelfi

发明人： Antonella Bogoni ,  Paolo Ghelfi

IPC分类号： H04B10/00 ,  H04B10/40 ,  H04B10/90 ,  H04B10/2575 ,  H04B10/556 ,  H04B10/64 ,  H04L7/00 ,  G02F1/21 ,  G02F2/00

CPC分类号： H04B10/40 ,  G02F2/002 ,  G02F2001/212 ,  H04B10/2575 ,  H04B10/556 ,  H04B10/64 ,  H04B10/90 ,  H04B2210/006 ,  H04L7/0075

摘要： An RF signal transceiver comprising a mode-locked laser to output an optical signal having a plurality of phase-locked modes, an optical splitter to power split the optical signal into a transmitter optical signal and a receiver optical signal; a transmitter apparatus to receive the transmitter optical signal and comprising an optical filter to select two of the modes, an optical modulator to modulate a part of the transmitter optical signal to form at least one phase modulated optical signal, and a photodetector to heterodyne the phase modulated optical signal with one of the modes without a corresponding phase modulation to form an RF signal for transmission; and a receiver apparatus arranged to receive an RF signal and the receiver optical signal and comprising an optical modulator to modulate the receiver optical signal with the received RF signal; and an optical to electrical signal conversion apparatus to convert the modulated receiver optical signal into a corresponding electrical signal.

公开(公告)号：US20110170878A1

公开(公告)日：2011-07-14

申请号：US12995236

申请日：2008-05-30

申请人： Antonella Bogoni ,  Luca Poti ,  Emma Lazzeri ,  Paolo Ghelfi

发明人： Antonella Bogoni ,  Luca Poti ,  Emma Lazzeri ,  Paolo Ghelfi

IPC分类号： H04B10/04

CPC分类号： H01S3/06791 ,  G02F2203/54 ,  H01S3/1062 ,  H01S3/107 ,  H01S3/1109

摘要： An apparatus and method for generating a train of optical pulses. The apparatus comprises an optical resonant cavity (1) for confining an optical signal in the cavity to a number of modes, a modulator (3), and a control signal generator (101). The modulator comprises an interferometer arranged to cause interference of the optical signal with itself to produce an output and controllable material, such as an electro-optic crystal, arranged in a path of the optical signal, an optical property of the controllable material dependent on a control signal (3b) applied to the controllable material such that changes in the optical property alter optical signals travelling that path to affect the interference of the optical signals, and therefore the output of the modulator. The control signal generator is arranged to generate the control signal, wherein the control magnitude is an oscillating waveform arranged to cause transmission of the optical signal through the modulator to generate pulses having a pulse width shorter than a pulse width of pulses that would be generated using a sinusoidal waveform of the same frequency.

摘要翻译： 一种用于产生光脉冲序列的装置和方法。 该装置包括用于将空腔中的光信号限制到多个模式的光学谐振腔（1），调制器​​（3）和控制信号发生器（101）。 该调制器包括干涉仪，该干涉仪被布置成使得光信号与其自身的干涉产生布置在光信号的路径中的输出和可控材料，例如电光晶体，可控材料的光学特性取决于 控制信号（3b），使得光学特性的改变改变了行进该路径的光信号，以影响光信号的干扰，并因此影响调制器的输出。 所述控制信号发生器被布置成产生所述控制信号，其中所述控制幅度是布置成使所述光信号通过所述调制器的传输的振荡波形，以产生脉冲宽度短于脉冲宽度的脉冲，所述脉冲宽度将使用 相同频率的正弦波形。

公开(公告)号：US20070110450A1

公开(公告)日：2007-05-17

申请号：US10572159

申请日：2004-08-31

申请人： Antonella Bogoni ,  Paolo Ghelfi ,  Mirco Scaffardi ,  Luca Poti

发明人： Antonella Bogoni ,  Paolo Ghelfi ,  Mirco Scaffardi ,  Luca Poti

IPC分类号： H01M6/30

CPC分类号： H04B10/299

摘要： A pulsed optical signal regenerator device comprises three optical stages (11,12,13) arranged in cascade between an input (14) to which is applied a signal Si to be regenerated and an output (15) at which is available a regenerated signal Sr. The first stage (11) comprises a first noise suppressor on the zero for noise reduction in the spaces between the input signal pulses. The second stage (12) comprises an inverting converter for transferring to a clock signal (Ck) the information carried by the signal outgoing from the first stage and introducing a logical inversion of the signal for transformation of the pulses affected by noise in spaces affected by noise. The third stage (13) comprises a second noise suppressor on the zero for reduction of the noise in the spaces between the signal pulses output from the second stage. The clock signal can be at a tributary bit rate of the entering signal to obtain a demultiplexer function also.

摘要翻译： 脉冲光信号再生器装置包括三个光级（11,12,13），它们被级联布置在施加有待再生信号的输入端（14）和输出端（15）之间， 在其处可获得再生信号S 。 第一级（11）包括零上的第一噪声抑制器，用于输入信号脉冲之间的空间中的噪声降低。 第二级（12）包括反相转换器，用于将由第一级输出的信号所携带的信息传送到时钟信号（Ck），并引入用于变换受噪声影响的脉冲的信号的逻辑反转， 噪声。 第三级（13）包括在零上的第二噪声抑制器，用于降低从第二级输出的信号脉冲之间的空间中的噪声。 时钟信号可以处于进入信号的支路比特率，以获得解复用器功能。

公开(公告)号：US20100034532A1

公开(公告)日：2010-02-11

申请号：US12440778

申请日：2006-09-11

申请人： Paolo Ghelfi ,  Filippo Cuglini ,  Tomasz Rogowski ,  Piero Castoldi ,  Rodolfo Di Muro ,  Bimal Nayar ,  Karin Essner

发明人： Paolo Ghelfi ,  Filippo Cuglini ,  Tomasz Rogowski ,  Piero Castoldi ,  Rodolfo Di Muro ,  Bimal Nayar ,  Karin Essner

IPC分类号： H04J14/00 ,  H04B10/08 ,  H04B17/00

CPC分类号： H04Q11/0005 ,  H04J14/0204 ,  H04J14/0205 ,  H04J14/0206 ,  H04J14/0212 ,  H04J14/0213 ,  H04J14/0217 ,  H04J14/0219 ,  H04J14/0221 ,  H04J14/0284 ,  H04J14/0293 ,  H04J14/0297 ,  H04Q2011/0015 ,  H04Q2011/0043

摘要： The invention relates to a communications node (10, 90, 100) for routing a plurality of Wavelength Division Multiplexed (WDM) optical signals, the node having a plurality of line units (12) between its inputs and outputs, each line unit including a splitter (14) and a Wavelength Selective Switch (WSS) (16), wherein the splitter (14) is arranged to split an incoming WDM signal into a plurality of WDM signals and to pass them to each WSS in the plurality of line units, each WSS (16) being arranged to selectively route any one or more channels of its received WDM signals to its associated output. Such an arrangement has the advantage of providing a more cost effective realisation of a node with a high nodal degree. The invention provides a technical solution to the problem of connecting a plurality of inputs to a plurality of outputs in a multi-port WDM node. The node has particular application in a mesh network where the nodal degree may be high. Using WSS technology avoids the requirement for many blockers to be used due to the inherent capability of WSSs to selectively block input channels.

摘要翻译： 本发明涉及用于路由多个波分复用（WDM）光信号的通信节点（10,90,100），该节点在其输入和输出之间具有多个线路单元（12），每个线路单元包括一个 分离器（14）和波长选择开关（WSS）（16），其中分配器（14）被布置成将输入的WDM信号分割成多个WDM信号并将其传递到多个线路单元中的每个WSS， 每个WSS（16）被布置成选择性地将其接收到的WDM信号的一个或多个信道路由到其相关联的输出。 这种布置具有提供具有高节点度的节点的更具成本效益的实现的优点。 本发明提供了将多个输入连接到多端口WDM节点中的多个输出的问题的技术方案。 节点在网状网络中具有特殊应用，其中节点度可能较高。 使用WSS技术避免了由于WSS的固有能力来选择性地阻止输入通道而需要使用许多阻塞器。

公开(公告)号：US20080273831A1

公开(公告)日：2008-11-06

申请号：US11570985

申请日：2005-05-27

申请人： Antonella Bogoni ,  Paolo Ghelfi ,  Luca Poti ,  Filippo Ponzini

发明人： Antonella Bogoni ,  Paolo Ghelfi ,  Luca Poti ,  Filippo Ponzini

IPC分类号： G02B6/12

CPC分类号： G02F3/00 ,  G02F1/3519

摘要： An optical logic gate (10) comprises: first and second optical inputs (11, 12) for receiving respective optical signals (A, B) and an optical output (15) for outputting an optical signal (Pout) which represents the result of applying a required logic function. The logic gate is characterised by optical combining means (13) for combining the optical signals to produce a corresponding combination signal whose power (Pi) is the combination of the powers (PA, PB) of the optical signals and non-linear optical means (14) for receiving the combination signal (Pi) and emitting the optical output signal (Pout) the logic function depending on the characteristic of the non-linear optical means wherein the characteristic is selected such that the power of the output signal is correlated to the power of the combination signal by the selected logic function.

摘要翻译： 光学逻辑门（10）包括：用于接收相应的光信号（A，B）的第一和第二光学输入端（11,12）和用于输出光信号的光输出（15） >）表示应用所需逻辑函数的结果。 逻辑门的特征在于光学组合装置（13），用于组合光学信号以产生相应的组合信号，其功率（P SUB）是功率的组合（P < 用于接收组合信号（P SUB）的光信号和非线性光学装置（14）的光信号（P＆lt; B＆gt; B）和发射光输出信号 取决于非线性光学装置的特性的逻辑功能，其中选择特性使得输出信号的功率与所选择的逻辑功能的组合信号的功率相关 。

公开(公告)号：US20080232824A1

公开(公告)日：2008-09-25

申请号：US12088449

申请日：2006-09-28

申请人： Paolo Ghelfi ,  Mirco Scaffardi ,  Antonella Bogoni ,  Luca Poti

发明人： Paolo Ghelfi ,  Mirco Scaffardi ,  Antonella Bogoni ,  Luca Poti

IPC分类号： H04B10/06

CPC分类号： H04B10/66

摘要： A receiver scheme (10) for optical signals in Return-to-zero (RZ) systems comprises a conventional receiver (11) at the input of which is placed an all-optical decision element (12) realized with nonlinear optical elements. This allows obtaining a substantial increase in performance compared with a simple conventional receiver optimised for NRZ signals. In particular, an optical decision is made up advantageously of two non-linear optical loop mirrors (NOLMs) (15, 16) arranged in cascade with an optical amplifier (14) at the input and a pass-band filter (18) at the output. The loops lengths may be different, as may be the splitting ratios of the couplers of the NOLMs.

摘要翻译： 用于归零（RZ）系统中的光信号的接收机方案（10）包括常规接收机（11），其输入端设置有由非线性光学元件实现的全光学决定元件（12）。 与针对NRZ信号优化的简单常规接收机相比，可以大大提高性能。 特别地，光学决策有利地由在输入处与光放大器（14）级联布置的两个非线性光环路反射镜（NOLM）（15,16）和通带滤波器（18） 输出。 环路长度可能不同，可能是NOLM的耦合器的分流比。

公开(公告)号：US20150207567A1

公开(公告)日：2015-07-23

申请号：US14397393

申请日：2012-04-30

申请人： Antonella Bogoni ,  Paolo Ghelfi

发明人： Antonella Bogoni ,  Paolo Ghelfi

IPC分类号： H04B10/40 ,  H04B10/556 ,  H04B10/2575 ,  H04L7/00 ,  H04B10/64

CPC分类号： H04B10/40 ,  G02F2/002 ,  G02F2001/212 ,  H04B10/2575 ,  H04B10/556 ,  H04B10/64 ,  H04B10/90 ,  H04B2210/006 ,  H04L7/0075

摘要： An RF signal transceiver comprising a mode-locked laser to output an optical signal having a plurality of phase-locked modes, an optical splitter to power split the optical signal into a transmitter optical signal and a receiver optical signal; a transmitter apparatus to receive the transmitter optical signal and comprising an optical filter to select two of the modes, an optical modulator to modulate a part of the transmitter optical signal to form at least one phase modulated optical signal, and a photodetector to heterodyne the phase modulated optical signal with one of the modes without a corresponding phase modulation to form an RF signal for transmission; and a receiver apparatus arranged to receive an RF signal and the receiver optical signal and comprising an optical modulator to modulate the receiver optical signal with the received RF signal; and an optical to electrical signal conversion apparatus to convert the modulated receiver optical signal into a corresponding electrical signal.

摘要翻译： 1.一种RF信号收发器，包括：锁模激光器，用于输出具有多个锁相模式的光信号;光分路器，用于将所述光信号分解成发射机光信号和接收机光信号; 发射机装置，用于接收所述发射机光信号并且包括用于选择所述模式中的两种的光滤波器;光调制器，用于调制所述发射机光信号的一部分以形成至少一个相位调制光信号;以及光检测器， 调制光信号中的一种模式而不进行相应的相位调制，以形成用于传输的RF信号; 以及接收机装置，被配置为接收RF信号和所述接收机光信号，并且包括光调制器以用所接收的RF信号调制所述接收机光信号; 以及光电信号转换装置，用于将经调制的接收机光信号转换成对应的电信号。

公开(公告)号：US20150110494A1

公开(公告)日：2015-04-23

申请号：US14376422

申请日：2012-02-07

申请人： Paolo Ghelfi ,  Filippo Scotti ,  Francesco Laghezza ,  Antonella Bogoni

发明人： Paolo Ghelfi ,  Filippo Scotti ,  Francesco Laghezza ,  Antonella Bogoni

IPC分类号： H04B10/2575

CPC分类号： H04B10/2575 ,  H04B10/00 ,  H04B2210/006

摘要： An RF signal generator has an optical part for outputting optical carrier signals separated in optical frequency, and a modulator arranged to modulate the optical carrier signals with an intermediate frequency to generate sidebands. A phase modulation is applied to one or more of the sidebands or the optical carriers, without applying the phase modulation to others of the signals, and the modulator has integrated optical paths for both the phase modulated signals and for the others of the signals. A detector part carries out heterodyne detection to combine the phase modulated and other signals to output an RF signal having the phase modulation. By having integrated optical paths, the relative phase of these optical paths can be more stable than using a fiber sagnac interferometer and optical isolator thus enabling use in advanced radio communications.

摘要翻译： RF信号发生器具有用于输出以光频率分离的光载波信号的光学部件，以及调制器，用于调制具有中频的光载波信号以产生边带。 相位调制被应用于一个或多个边带或光载波，而不对其他信号施加相位调制，并且调制器具有针对相位调制信号和其他信号的集成光路。 检测器部分执行外差检测以组合相位调制信号和其它信号以输出具有相位调制的RF信号。 通过具有集成的光路，这些光路的相对相位可以比使用光纤信号干涉仪和光隔离器更稳定，从而能够用于高级无线电通信。

公开(公告)号：US20120195595A1

公开(公告)日：2012-08-02

申请号：US13499710

申请日：2009-10-20

申请人： Antonella Bogoni ,  Mirco Scaffardi ,  Paolo Ghelfi ,  Luca Poti

发明人： Antonella Bogoni ,  Mirco Scaffardi ,  Paolo Ghelfi ,  Luca Poti

IPC分类号： H04J14/02

CPC分类号： H04J14/08 ,  H04J14/0223 ,  H04J14/0246 ,  H04J14/025 ,  H04J14/0258 ,  H04J14/0267 ,  H04J14/0282 ,  H04Q11/0005 ,  H04Q11/0066 ,  H04Q2011/0041

摘要： An optical label extractor (10) comprising a non-linear optical element (12), a pump source (14) and optical filter apparatus (16). Said non-linear optical element (12) is arranged to receive optical data packets (18) at data signal wavelengths. Each said data packet comprises at least one data bit and at least one label bit. Said pump source (14) is arranged to pump said non-linear optical element such that any non-zero label bit experiences a non-linear optical effect on propagation through said non-linear optical element and an output label bit (20) comprising a respective further wavelength is thereby generated. Said optical filter apparatus (16) is arranged to receive any said output label bit from said non-linear optical element and being further arranged to prevent transmission of a part of said output label at said respective data signal wavelength and to transmit a part of said output label bit at said respective further wavelength.

摘要翻译： 一种包括非线性光学元件（12），泵浦源（14）和滤光器装置（16）的光学标签提取器（10）。 所述非线性光学元件（12）被布置成以数据信号波长接收光学数据分组（18）。 每个所述数据分组包括至少一个数据位和至少一个标签位。 所述泵浦源（14）被布置成泵浦所述非线性光学元件，使得任何非零标签位对通过所述非线性光学元件的传播经历非线性光学效应，并且包括输出标签位（20） 从而产生另外的波长。 所述光学滤波器装置（16）被布置成从所述非线性光学元件接收任何所述输出标签位，并且还被布置成防止在所述各个数据信号波长处传输所述输出标签的一部分，并且传输所述 输出标签位在所述相应的另外的波长。

公开(公告)号：US08112005B2

公开(公告)日：2012-02-07

申请号：US12088449

申请日：2006-09-28

申请人： Paolo Ghelfi ,  Mirco Scaffardi ,  Antonella Bogoni ,  Luca Poti

发明人： Paolo Ghelfi ,  Mirco Scaffardi ,  Antonella Bogoni ,  Luca Poti

IPC分类号： H04J14/08 ,  G02F1/35 ,  G02B6/42

CPC分类号： H04B10/66

摘要： A receiver scheme for optical signals in Return-to-zero (RZ) systems comprises a conventional receiver at the input of which is placed an all-optical decision element realized with nonlinear optical elements. This allows obtaining a substantial increase in performance compared with a simple conventional receiver optimized for NRZ signals. In particular, an optical decision is made up advantageously of two non-linear optical loop mirrors (NOLMs) arranged in cascade with an optical amplifier at the input and a pass-band filter at the output. The loops lengths may be different, as may be the splitting ratios of the couplers of the NOLMs.

摘要翻译： 用于归零（RZ）系统中的光信号的接收机方案包括传统的接收机，其输入端设置有由非线性光学元件实现的全光学决策元件。 与针对NRZ信号优化的简单常规接收机相比，可以大大提高性能。 特别地，光学决定有利地由在输入处与光放大器级联布置的两个非线性光环路反射镜（NOLM）和输出端的通带滤波器组成。 环路长度可能不同，可能是NOLM的耦合器的分流比。