公开(公告)号：US07187868B2

公开(公告)日：2007-03-06

申请号：US10206349

申请日：2002-07-29

申请人： Fabrizio Carbone ,  Luciano Socci ,  Marco Romagnoli

发明人： Fabrizio Carbone ,  Luciano Socci ,  Marco Romagnoli

IPC分类号： H04J14/02 ,  H04B10/12 ,  H04B10/04 ,  H04B10/06 ,  H04B10/18 ,  H04B10/135

CPC分类号： H04B10/2531 ,  H04B2210/258

摘要： A WDM system includes a transmission station, a receiving station, a first optical path and a second optical path. The first optical path includes a first section and a second section, the second section being capable of compensating at least partially the dispersion accumulated by a series of optical channels along the first section. The series of channels includes at least a first plurality of channels having an average dispersion of the same sign in the first optical path. The system also includes at least a first conversion device, capable of inverting the spectrum and modifying the wavelength of at least the first plurality of channels, to produce a second plurality of channels having an average chromatic dispersion of the same sign in the second optical path.

摘要翻译： WDM系统包括发送站，接收站，第一光路和第二光路。 第一光路包括第一部分和第二部分，第二部分能够至少部分地补偿沿着第一部分的一系列光学通道累积的色散。 所述一系列通道包括至少第一多个通道，其具有相同符号在第一光路中的平均色散。 该系统还包括至少第一转换装置，其能够反转频谱并修改至少第一多个信道的波长，以产生在第二光路中具有相同符号的平均色散的第二多个信道 。

公开(公告)号：US20050117862A1

公开(公告)日：2005-06-02

申请号：US10490866

申请日：2001-09-28

申请人： Fabrizio Carbone ,  Luciano Socci ,  Marco Romagnoli ,  Alessandro Tonello

发明人： Fabrizio Carbone ,  Luciano Socci ,  Marco Romagnoli ,  Alessandro Tonello

IPC分类号： H04B10/2507 ,  H04B10/2531 ,  G02B6/02

CPC分类号： H04B10/2531 ,  H04B10/25077

摘要： An optical transmission system having optical fibres having dispersion of alternate sign greater, in absolute value, than 1 ps/(nm km) arranged in an optical path in accordance with a dispersion map appropriate for the transmission of DM solitons at a wavelength λc. The system has a transmission station and a receiver station connected to the optical path. The transmission station launches on the optical path at least a first optical pulse RZ. At least one phase conjugation device is located along the optical path to invent the spectrum of at least the first pulse. This phase conjugation device is located in a chirp cancellation portion of the optical path which includes a point at which the chirp of a DM solition of wavelength λc is cancelled out.

摘要翻译： 一种光传输系统，具有根据适合于在波长λ c 。 该系统具有连接到光路的发送站和接收站。 传输站在光路上发射至少第一光脉冲RZ。 沿着光路定位至少一个相位共轭装置以发明至少第一脉冲的光谱。 该相位共轭装置位于光路的啁啾消除部分中，该部分包括消除波长λlambda a a sol ch ch的点。

公开(公告)号：US06816659B2

公开(公告)日：2004-11-09

申请号：US10180461

申请日：2002-06-27

申请人： Giacomo Gorni ,  Luciano Socci ,  Marco Romagnoli

发明人： Giacomo Gorni ,  Luciano Socci ,  Marco Romagnoli

IPC分类号： G02B620

CPC分类号： G02B6/0239 ,  C03B2203/36 ,  C03B2203/42 ,  G02B6/02261 ,  G02B6/02361 ,  G02F1/0115 ,  G02F1/0147 ,  H04B10/2525

摘要： Unit (100) comprising a portion of holey optical fibre (12) having a length Lc comprising a core region (13) and a cladding region (14), said cladding region (14) comprising, in turn, a plurality of holes passing through it longitudinally, said holes having a respective diameter and being spaced, two by two, according to a respective pitch, said unit comprising also a temperature adjusting device (16) for bringing and maintaining the holey optical fibre (12) at temperature values T selectable in a predetermined interval of temperatures Tx-Ty.

摘要翻译： 单元（100）包括具有包括芯区域（13）和包层区域（14）的长度Lc的多孔光纤（12）的一部分，所述包层区域（14）又包括通过的多个孔 纵向地，所述孔具有相应的直径，并且根据相应的间距间隔开两个，所述单元还包括温度调节装置（16），用于将多孔光纤（12）带入并保持在温度值T可选择 在预定的温度Tx-Ty的温度范围内。

公开(公告)号：US20100040382A1

公开(公告)日：2010-02-18

申请号：US12335991

申请日：2008-12-16

申请人： Marco Romagnoli ,  Paola Galli

发明人： Marco Romagnoli ,  Paola Galli

IPC分类号： H04B10/04

CPC分类号： H04B10/5563 ,  G02F2/00 ,  G02F2001/212 ,  G02F2202/20 ,  H04B10/25073 ,  H04B10/504

摘要： An optical communication system and method of use are described. The system comprises an optical source adapted to receive a digitally encoded data signal comprising sequences of data at a data rate (B) and comprising two signal levels representing a first state and a second state of the data signal, the optical source being adapted to produce an optical signal substantially frequency modulated with frequency excursion Δν comprising a first instantaneous frequency (ν0) associated to the first state and a second instantaneous frequency (ν1) associated to the second state; an optical converter adapted to receive the substantially frequency modulated optical signal, the optical converter having an optical transfer function varying with frequency and including at least one pass band, the at least one pass band having a peak transmittance and at least a low-transmittance region

摘要翻译： 描述了光通信系统和使用方法。 该系统包括适于接收数字编码的数据信号的光源，该数字信号包括数据速率（B）的数据序列，并且包括表示数据信号的第一状态和第二状态的两个信号电平，光源适于产生 基本上频率调制的光信号与频率偏移＆Dgr; 包括与第一状态相关联的第一瞬时频率（＆ngr; 0）和与第二状态相关联的第二瞬时频率（＆ngr; 1） 光转换器，其适于接收基本上频率调制的光信号，所述光转换器具有随着频率变化并且包括至少一个通带的光传递函数，所述至少一个通带具有峰值透射率和至少低透射率区域

公开(公告)号：US20120057881A1

公开(公告)日：2012-03-08

申请号：US13296530

申请日：2011-11-15

申请人： Marco Romagnoli ,  Paola Galli

发明人： Marco Romagnoli ,  Paola Galli

IPC分类号： H04B10/04

CPC分类号： H04B10/5563 ,  G02F2/00 ,  G02F2001/212 ,  G02F2202/20 ,  H04B10/25073 ,  H04B10/504

摘要： An optical communication system and method of use are described. The system comprisesan optical source adapted to receive a digitally encoded data signal comprising sequences of data at a data rate (B) and comprising two signal levels representing a first state and a second state of the data signal, the optical source being adapted to produce an optical signal substantially frequency modulated with frequency excursion Δν comprising a first instantaneous frequency (ν0) associated to the first state and a second instantaneous frequency (ν1) associated to the second state; an optical converter adapted to receive the substantially frequency modulated optical signal, the optical converter having an optical transfer function varying with frequency and including at least one pass band, the at least one pass band having a peak transmittance and at least a low-transmittance region.

摘要翻译： 描述了光通信系统和使用方法。 该系统包括光源，适于接收包含数据速率（B）的数据序列的数字编码数据信号，并且包括表示数据信号的第一状态和第二状态的两个信号电平，光源适于产生 光信号基本上频率调制与频率偏移＆Dgr; 包括与第一状态相关联的第一瞬时频率（＆ngr; 0）和与第二状态相关联的第二瞬时频率（＆ngr; 1） 光转换器，其适于接收基本上频率调制的光信号，所述光转换器具有随着频率变化并且包括至少一个通带的光传递函数，所述至少一个通带具有峰值透射率和至少低透射率区域 。

公开(公告)号：US08498543B2

公开(公告)日：2013-07-30

申请号：US13296530

申请日：2011-11-15

申请人： Marco Romagnoli ,  Paola Galli

发明人： Marco Romagnoli ,  Paola Galli

IPC分类号： H04B10/04

CPC分类号： H04B10/5563 ,  G02F2/00 ,  G02F2001/212 ,  G02F2202/20 ,  H04B10/25073 ,  H04B10/504

摘要： An optical communication system and method of use are described. The system comprises an optical source adapted to receive a digitally encoded data signal comprising sequences of data at a data rate (B) and comprising two signal levels representing a first state and a second state of the data signal, the optical source being adapted to produce an optical signal substantially frequency modulated with frequency excursion Δν comprising a first instantaneous frequency (ν0) associated to the first state and a second instantaneous frequency (ν1) associated to the second state; an optical converter adapted to receive the substantially frequency modulated optical signal, the optical converter having an optical transfer function varying with frequency and including at least one pass band, the at least one pass band having a peak transmittance and at least a low-transmittance region.

摘要翻译： 描述了光通信系统和使用方法。 该系统包括适于接收数字编码的数据信号的光源，该数字信号包括数据速率（B）的数据序列，并且包括表示数据信号的第一状态和第二状态的两个信号电平，光源适于产生 频率偏移Deltanu基本上频率调制的光信号包括与第一状态相关联的第一瞬时频率（nu0）和与第二状态相关联的第二瞬时频率（nu1）; 光转换器，其适于接收基本上频率调制的光信号，所述光转换器具有随着频率变化并且包括至少一个通带的光传递函数，所述至少一个通带具有峰值透射率和至少低透射率区域 。

公开(公告)号：US08064776B2

公开(公告)日：2011-11-22

申请号：US12335991

申请日：2008-12-16

申请人： Marco Romagnoli ,  Paola Galli

发明人： Marco Romagnoli ,  Paola Galli

IPC分类号： H04B10/04

CPC分类号： H04B10/5563 ,  G02F2/00 ,  G02F2001/212 ,  G02F2202/20 ,  H04B10/25073 ,  H04B10/504

摘要： An optical communication system and method of use are described. The system comprises an optical source adapted to receive a digitally encoded data signal comprising sequences of data at a data rate (B) and comprising two signal levels representing a first state and a second state of the data signal, the optical source being adapted to produce an optical signal substantially frequency modulated with frequency excursion Δν comprising a first instantaneous frequency (ν0) associated to the first state and a second instantaneous frequency (ν1) associated to the second state; an optical converter adapted to receive the substantially frequency modulated optical signal, the optical converter having an optical transfer function varying with frequency and including at least one pass band, the at least one pass band having a peak transmittance and at least a low-transmittance region.

摘要翻译： 描述了光通信系统和使用方法。 该系统包括适于接收数字编码的数据信号的光源，该数字信号包括数据速率（B）的数据序列，并且包括表示数据信号的第一状态和第二状态的两个信号电平，光源适于产生 基本上频率调制的光信号与频率偏移＆Dgr; 包括与第一状态相关联的第一瞬时频率（＆ngr; 0）和与第二状态相关联的第二瞬时频率（＆ngr; 1） 光转换器，其适于接收基本上频率调制的光信号，所述光转换器具有随着频率变化并且包括至少一个通带的光传递函数，所述至少一个通带具有峰值透射率和至少低透射率区域 。

公开(公告)号：US10061081B2

公开(公告)日：2018-08-28

申请号：US15524005

申请日：2015-11-03

申请人： CONSORZIO NAZIONALE INTERUNIVERSITARIO PER LE TELECOMUNICAZIONI (CNIT) ,  Luciano Socci

发明人： Luciano Socci ,  Marco Romagnoli

IPC分类号： G02B6/00 ,  G02B6/126 ,  G02B6/122 ,  G02B6/12

CPC分类号： G02B6/126 ,  G02B6/1228 ,  G02B6/14 ,  G02B2006/12116

摘要： In an integrated polarization splitting and rotating photonic device comprising at least one first waveguide; a second waveguide, both said waveguides extending from an input section to an output section; a top cladding; a bottom cladding and a symmetry-breaking layer so as to form an optical guiding structure in a wafer chip, said top and bottom claddings extending throughout the whole optical guiding structure sandwiching said waveguides therebetween, said symmetry-breaking layer extends in the optical guiding structure at least over the whole guiding structure length, and, at the input section, the at least one first waveguide core has a predetermined width through the optical guiding structure to the output section, receiving an input light signal, and further, the second waveguide core, both at the input and the output section, has a width narrower than said predetermined width of the first waveguide core; so that the optical guiding structure guides a first mode substantially confined within said at least one first waveguide core and a second mode substantially confined within said second semiconductor waveguide core said first and said second modes having the same polarization at the output section.

公开(公告)号：US20050226561A1

公开(公告)日：2005-10-13

申请号：US10506542

申请日：2002-03-06

申请人： Marco Romagnoli ,  Maurizio Tormen ,  Camilla Bonati

发明人： Marco Romagnoli ,  Maurizio Tormen ,  Camilla Bonati

IPC分类号： G02B6/12 ,  G02B1/02 ,  G02B6/122 ,  G02B6/125 ,  G02B6/26

CPC分类号： B82Y20/00 ,  G02B6/1225 ,  G02B6/125 ,  G02B2006/12104

摘要： A device for varying the direction of an optical beam. A first waveguide is directed along a first direction, a second waveguide is directed along a second direction different from the first direction, and a bending region is interposed between the first and the second waveguide. The bending region has a photonic crystal having a regular periodicity and at least a first and a second crystal axes substantially aligned with the first and second directions, and a reflecting surface delimiting the photonic crystal and so positioned and oriented as to reflect an optical beam coming from the first waveguide toward the second waveguide

摘要翻译： 用于改变光束方向的装置。 沿着第一方向引导第一波导，沿着与第一方向不同的第二方向引导第二波导，并且在第一和第二波导之间插入有弯曲区域。 弯曲区域具有规则周期的光子晶体和至少基本上与第一和第二方向对齐的第一和第二晶轴，以及限定光子晶体的反射表面，并且定位和定向成反射来自光束的光束 从第一波导到第二波导

公开(公告)号：US06538788B2

公开(公告)日：2003-03-25

申请号：US09759525

申请日：2001-01-16

申请人： Pierluigi Franco ,  Michele Midrio ,  Marco Romagnoli

发明人： Pierluigi Franco ,  Michele Midrio ,  Marco Romagnoli

IPC分类号： H04B1000

CPC分类号： H04B10/2519 ,  H04B10/2525

摘要： A system for providing noise reduction in a long-distance telecommunications system is disclosed. A transmitter generates an optical signal. An optical link includes an optical amplifier that transmits the optical signal in a pre-established direction of propagation with substantially compensated dispersion to have an associated optical noise. A receiver is configured to receive a noisy optical signal including the transmitted optical signal and an optical noise signal. The receiver includes a photodetecting device that is configured to generate an electronic signal correlated with the noisy optical signal. The electronic signal being associated with a quality parameter (Q) that depends on said optical noise signal and distortion of the optical signal in the optical link. The optical link further includes a dispersive and nonlinear filtering device that has a normal dispersion and nonlinear component. The filtering device is placed along said optical link and has an associated normal dispersion parameter &bgr;2,NORM•L and a nonlinearity parameter &ggr; operatively selected so as to increase the quality parameter by at least 1 dB.

摘要翻译： 公开了一种用于在远程电信系统中提供降噪的系统。 发射机产生光信号。 光链路包括光放大器，其以预先建立的传播方向以基本上被补偿的色散传输光信号以具有相关联的光噪声。 接收机被配置为接收包括所发送的光信号和光噪声信号的噪声光信号。 接收机包括被配置为产生与噪声光信号相关的电子信号的光检测装置。 电子信号与取决于所述光学噪声信号和光学链路中的光信号的失真的质量参数（Q）相关联。 光链路还包括具有正常色散和非线性分量的色散和非线性滤波装置。 过滤装置沿着所述光学链路放置并且具有相关联的正常色散参数β2，NORM.L和可操作地选择的非线性参数γ，以便将质量参数提高至少1dB。