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41. 发明申请

US20100196014A1 METHOD AND DEVICE FOR HITLESS TUNABLE OPTICAL FILTERING 有权
标题翻译：用于无缝可控光学滤波的方法和装置
公开(公告)号：US20100196014A1
公开(公告)日：2010-08-05
申请号：US12513818
申请日：2006-11-09
申请人： Lorenzo Bolla , Paola Galli , Silvia Ghidini , Marco Romagnoli , Luciano Socci
发明人： Lorenzo Bolla , Paola Galli , Silvia Ghidini , Marco Romagnoli , Luciano Socci
IPC分类号： H04B10/12 , G02B6/26
CPC分类号： G02B6/29395 , G02B6/12007 , G02B6/29343 , G02B6/29383 , H04J14/0206 , H04J14/021 , H04J14/0212
摘要： The method for filtering an optical signal comprising a plurality of channels lying on a grid of optical frequencies equally spaced by a frequency spacing and occupying an optical bandwidth, comprises: a) operating an optical filter comprising a plurality of resonators, wherein a first resonator of the plurality is optically coupled to the optical signal and the remaining resonators are optically coupled in series to the first resonator, so that a respective resonance of each one of the plurality of resonators falls within a first frequency band having bandwidth less than or equal to 15 GHz; b) operating the optical filter so as to obtain a separation between said respective resonance of at least one resonator with respect to said respective resonance of at least another different resonator, the separation being greater than or equal to 25 GHz; c) operating the optical filter so that said respective resonance of each one of the plurality of resonators falls within a second frequency band, different from the first frequency band, having bandwidth less than or equal to 15 GHz, wherein during the procedure from step a) to step c), at least one among said respective resonance of the at least one resonator and said respective resonance of the at least another different resonator is moved also outside a frequency region spanning between, and including, the first and the second frequency band. A corresponding device for filtering an optical signal is disclosed.
摘要翻译：用于过滤光信号的方法包括位于等距间隔频率并占据光带宽的光频率网格上的多个通道的方法包括：a）操作包括多个谐振器的滤光器，其中第一谐振器所述多个光学耦合到所述光信号，并且所述剩余谐振器与所述第一谐振器串联耦合，使得所述多个谐振器中的每一个谐振器的相应谐振落入具有小于或等于15的带宽的第一频带内 GHz; b）操作所述滤光器以便获得至少一个谐振器的所述相应谐振之间相对于至少另一个不同谐振器的所述相应谐振的间隔，所述分离大于或等于25GHz; c）操作所述滤光器，使得所述多个谐振器中的每一个的所述相应谐振落入具有小于或等于15GHz的带宽的与所述第一频带不同的第二频带内，其中在步骤a ）到步骤c），所述至少一个谐振器的所述相应谐振器中的至少一个和所述至少另一个不同谐振器的所述相应谐振器也移动到跨越并包括第一和第二频带的频率区域之外。公开了一种用于滤波光信号的相应装置。

42. 发明申请

US20090273842A1 Method and System for Tunable Optical Filtering 有权
标题翻译：可调光滤波方法与系统
公开(公告)号：US20090273842A1
公开(公告)日：2009-11-05
申请号：US12087064
申请日：2005-12-28
申请人： Luciano Socci , Paola Galli , Silvia Ghidini , Marco Romagnoli
发明人： Luciano Socci , Paola Galli , Silvia Ghidini , Marco Romagnoli
IPC分类号： G02B27/00
CPC分类号： G02B6/12007 , G02B6/29343 , G02B6/29353 , H04J14/0204 , H04J14/0205 , H04J14/0206 , H04J14/0208 , H04J14/021 , H04J14/0212
摘要： An optical device includes an optical splitter having an input port, a first output port and a second output port and is adapted to receive at said input port a WDM optical signal including a plurality of channels equally spaced by a frequency spacing and occupying an optical bandwidth, and wherein the optical splitter is adapted to output at the first and second output ports, respectively, a first and a second portion of the optical signal; an optical combiner having a respective first and second input ports and a respective output port; a first optical path optically connecting the first output port of the optical splitter to the first input port of the optical combiner; a second optical path optically connecting the second output port of the optical splitter to the second input port of the optical combiner, a first optical filter optically coupled along the first optical path, and a second optical filter optically coupled to the second optical path and the free spectral range of both the first and the second optical filter is equal to an odd multiple of the frequency spacing and greater than half of the optical bandwidth.
摘要翻译：光学装置包括具有输入端口，第一输出端口和第二输出端口的光分路器，并且适于在所述输入端口处接收WDM光信号，所述WDM光信号包括以频间隔等间隔并占据光带宽的多个信道并且其中所述光分路器适于在所述第一和第二输出端口处分别输出所述光信号的第一和第二部分; 具有相应的第一和第二输入端口和相应的输出端口的光学组合器; 第一光路，将光分路器的第一输出端口光学地连接到光组合器的第一输入端口; 将光分路器的第二输出端口光学地连接到光组合器的第二输入端口的第二光路，沿着第一光路光学耦合的第一光学滤光器和与第二光路光学耦合的第二光学滤光器，第一和第二滤光器的自由光谱范围等于频率间隔的奇数倍，并且大于光学带宽的一半。

43. 发明授权

US07233729B2 Method for guiding an electromagnetic radiation, in particular in an integrated optical device 有权
标题翻译：用于引导电磁辐射的方法，特别是在集成的光学装置中
公开(公告)号：US07233729B2
公开(公告)日：2007-06-19
申请号：US10506658
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： G02B6/26 , G02B6/12
CPC分类号： B82Y20/00 , G02B6/1225 , G02B6/125
摘要： A method for guiding electromagnetic radiation by providing a photonic crystal made of a bulk material with a predetermined refractive index and having a periodic array of holes with predetermined radius, and feeding to that region an electromagnetic radiation having a wavelength in the fundamental photonic band and so related to the refractive index of the bulk material, to the radius of the holes and to the period of the array that, starting from an isotropic distribution of the wave vectors within a first angular range that is twice the angular extension of the first irreducible Brillouin zone of the photonic crystal, the corresponding group velocity vectors are rearranged as concerns direction and module so that at least 50% of them become directed within a second angular range that is about one-third of the first angular range and the width at half-maximum of the distribution of the modules of the vectors is lower than about two-thirds of the second angular range.
摘要翻译：一种通过提供由具有预定折射率的本体材料制成的具有预定半径的孔的周期阵列的光子晶体来引导电磁辐射的方法，并向该区域馈送具有基本光子带中的波长的电磁辐射与体积材料的折射率相关，到孔的半径和阵列的周期，其从波矢的各向同性分布开始，第一角度范围是第一不可约布里渊的角度延伸的两倍光子晶体的区域，相应的组速度矢量被重新排列为关于方向和模块，使得它们中的至少50％变为在第一角度范围的约三分之一的第二角度范围内，向量的模块的分布的最大值低于第二角度范围的约三分之二。

44. 发明申请

US20070071394A1 Low loss microring resonator device 审中-公开
标题翻译：低损耗微环谐振器装置
公开(公告)号：US20070071394A1
公开(公告)日：2007-03-29
申请号：US10584315
申请日：2003-12-24
申请人： Daniele Faccio , Marco Romagnoli
发明人： Daniele Faccio , Marco Romagnoli
IPC分类号： G02B6/10
CPC分类号： G02B6/29343 , G02B6/12007 , G02B6/29352 , G02B6/29383 , G02B6/29389 , G02B6/29395 , G02B2006/12119 , G02F1/011 , G02F1/0118 , G02F1/065 , G02F2203/055 , G02F2203/15
摘要： A low loss micro-ring resonator device which has a closed-loop resonator waveguide having a first refractive index, the resonator waveguide defining an inner and an outer region by an outer curved edge of the waveguide. The resonator waveguide is arranged on a substrate having a second refractive index, the refractive index difference between the first refractive index and the second refractive index is greater than 0.3. The device also has an upper cladding covering the inner region of the resonator waveguide having a third refractive index and a lateral cladding in contact with the outer curved edge and extending in the outer region, the lateral cladding having a fourth refractive index, the fourth refractive index being lower than the third refractive index. A method for reducing propagation losses of a resonator device is also described.
摘要翻译：一种低损耗微环谐振器装置，其具有具有第一折射率的闭环谐振器波导，所述谐振器波导由所述波导的外弯曲边缘限定内部和外部区域。谐振器波导布置在具有第二折射率的基板上，第一折射率和第二折射率之间的折射率差大于0.3。该器件还具有覆盖谐振器波导的具有第三折射率的内部区域和与外部弯曲边缘接触并且在外部区域中延伸的横向包层的上部包层，该横向包层具有第四折射率，第四折射率指数低于第三折射率。还描述了一种用于减小谐振器装置的传播损耗的方法。

45. 发明申请

US20050226562A1 Device for crossing optical beams, in particular in an integrated optical circuit 有权
标题翻译：用于交叉光束的装置，特别是在集成光学电路中
公开(公告)号：US20050226562A1
公开(公告)日：2005-10-13
申请号：US10506769
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： G02B6/42 , G02B6/12 , G02B6/122 , G02B6/125 , G02B6/26
CPC分类号： B82Y20/00 , G02B6/1225 , G02B6/125
摘要： A device for crossing optical beams. At least a first input optical waveguide is directed along a first axis, a second optical waveguide is directed along a second axis inclined with respect to the first axis, and a photonic crystal having a regular periodicity in an optical crossing region at the intersection of said first and second axis has, opposite the first and second input waveguides, a first and a second output waveguide to provide for exit beams.
摘要翻译：用于交叉光束的装置。至少第一输入光波导沿着第一轴指向，第二光波导沿着相对于第一轴倾斜的第二轴指向，并且在所述第一轴的交叉处的光交叉区域中具有规则周期的光子晶体第一和第二轴线具有与第一和第二输入波导相对的第一和第二输出波导以提供出射光束。

46. 发明申请

US20050117862A1 Transmission of solitons on alternate sign dispersion optical fibres with phase conjugation 审中-公开
标题翻译：在具有相位共轭的交替符号色散光纤上传输孤子
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。

47. 发明申请

US20050069247A1 Optical multi/demultiplexer device, optical wavelength selective filter and method of making filter 有权
标题翻译：光多路复用器，光波长选择滤波器及滤波器的制作方法
公开(公告)号：US20050069247A1
公开(公告)日：2005-03-31
申请号：US10493570
申请日：2001-10-26
申请人： Giacomo Gorni , Maurizio Tormen , Marco Romagnoli , Matteo Cherchi
发明人： Giacomo Gorni , Maurizio Tormen , Marco Romagnoli , Matteo Cherchi
IPC分类号： G02B5/26 , G02B5/28 , G02B6/12 , G02B6/122 , G02B6/124 , G02B6/34 , G02B6/28
CPC分类号： B82Y20/00 , G02B6/02085 , G02B6/12007 , G02B6/1225 , G02B6/124 , G02B6/29319
摘要： Optical multi/demultiplexer (4) device comprising a substrate, a plurality of wave guides (45, 46, 47, 48) on a surface of said substrate, a plurality of selective wavelength filters (452, 462, 472, 482). Each of said plurality of filter is able to transmit a first predetermined band of wavelengths (PB′) and to reflect a second predetermined band (SB′). Each one of said plurality of filter comprising a plurality of transverse cuts (4521, 4522, 4523) provided on said waveguide disposed in predetermined positions. Said cuts forms a plurality of transmissive couple providing said first predetermined band and a plurality of reflective couple providing said second predetermined band. Said transmissive couples and said reflective couples are disposed in series. A wavelength selective filter is separately disclosed, an a method of making a filter.
摘要翻译：光学多路/多路分解器（4）装置，包括基板，在所述基板的表面上的多个波导（45,46,47,48），多个选择波长滤波器（452,462,472,482）。所述多个滤波器中的每一个能够发送第一预定波段（PB'）并反射第二预定频带（SB'）。所述多个滤光器中的每一个包括设置在设置在预定位置的所述波导上的多个横向切口（4521,4522,4523）。所述切口形成提供所述第一预定带的多个透射耦合和提供所述第二预定带的多个反射耦合。所述透射耦合和所述反射耦合被串联布置。单独公开了波长选择滤波器，制造滤波器的方法。

48. 发明授权

US06816659B2 Unit for compensating the chromatic dispersion in a reconfigurable manner 有权
标题翻译：用于以可重新配置的方式补偿色散的单元
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。

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