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1. 发明申请

WO2006110297A2 OPTIMIZED RECONFIGURABLE OPTICAL ADD-DROP MULTIPLEXER ARCHITECTURE WITH MEMS-BASED ATTENUATION OR POWER MANAGEMENT 审中-公开
标题翻译：基于MEMS的衰减或电源管理的优化可重新配置的光学增益多路复用器架构
公开(公告)号：WO2006110297A2
公开(公告)日：2006-10-19
申请号：PCT/US2006010875
申请日：2006-03-24
申请人： CAPELLA PHOTONICS INC , DAVIS JOSEPH E , GARRETT MARK H , TREMAINE BRIAN , DARLING MICHAEL
发明人： DAVIS JOSEPH E , GARRETT MARK H , TREMAINE BRIAN , DARLING MICHAEL
IPC分类号： G02B6/26
CPC分类号： G02B6/356 , G02B6/2706 , G02B6/29311 , G02B6/29313 , G02B6/29383 , G02B6/29395 , G02B6/3512 , G02B6/3588 , G02B6/3594
摘要： A wavelength selective switch architecture for ROADMs for switching the spectral channels of a multi-channel, multi-wavelength optical signal between input and output ports employs a biaxial MEMS port mirror array for optimal coupling efficiency and ITU grid alignment, an anamorphic beam expander for expanding input optical signals to create an elongated beam profile, a diffraction grating for spatially separating the spectral channels, an anamorphic focusing lens system, an array of biaxial elongated channel MEMS micromirrors, a built-in Optical Channel Monitor, and an electronic feedback control system. The bi-axial channel micromirrors are rotatable about one axis to switch spectral channels between ports, and are rotatable about an orthogonal axis to vary the coupling of the spectral channel to an output port and control attenuation of the spectral signal for complete blocking or for a predetermined power level. The architecture affords hitless switching, near notchless operation, ITU channel alignment, high passband, stability over a broad temperature range, and minimum insertion loss through the optimal optical coupling efficiency enabled by the feedback control system.
摘要翻译：用于ROADM的波长选择开关架构，用于在输入和输出端口之间切换多通道多波长光信号的频谱通道采用双轴MEMS端口镜阵列，实现最佳耦合效率和ITU网格对齐，用于扩展的变形光束扩展器输入光信号以产生细长的光束轮廓，用于空间分离光谱通道的衍射光栅，变形聚焦透镜系统，双轴细长通道MEMS微镜阵列，内置光通道监视器和电子反馈控制系统。双轴通道微镜可以围绕一个轴线旋转以在端口之间切换频谱通道，并且可绕正交轴线旋转，以改变频谱通道与输出端口的耦合，并控制光谱信号的衰减以进行完全阻塞或针对预定功率水平。该架构通过反馈控制系统实现的最佳光耦合效率，提供无缝切换，接近无缺陷操作，ITU通道对准，高通带，宽温度范围内的稳定性和最小插入损耗。

2. 发明申请

WO2006110297B1 OPTIMIZED RECONFIGURABLE OPTICAL ADD-DROP MULTIPLEXER ARCHITECTURE WITH MEMS-BASED ATTENUATION OR POWER MANAGEMENT 审中-公开
标题翻译：基于MEMS的衰减或电源管理的优化可重新配置的光学增益多路复用器架构
公开(公告)号：WO2006110297B1
公开(公告)日：2007-03-08
申请号：PCT/US2006010875
申请日：2006-03-24
申请人： CAPELLA PHOTONICS INC , DAVIS JOSEPH E , GARRETT MARK H , TREMAINE BRIAN , DARLING MICHAEL
发明人： DAVIS JOSEPH E , GARRETT MARK H , TREMAINE BRIAN , DARLING MICHAEL
IPC分类号： G02B6/26
CPC分类号： G02B6/356 , G02B6/2706 , G02B6/29311 , G02B6/29313 , G02B6/29383 , G02B6/29395 , G02B6/3512 , G02B6/3588 , G02B6/3594
摘要： A wavelength selective switch architecture (100) for ROADMs for switching the spectral channels of a multi-channel, multi- wavelength optical signal between input and output ports employs a biaxial MEMS port mirror array (106) for optimal coupling efficiency and ITU grid alignment, an anamorphic beam expander (110) for expanding input optical signals to create an elongated beam profile (146), a diffraction grating (112) for spatially separating the spectral channels, an anamorphic focusing lens system (116), an array (118) of biaxial elongated channel MEMS micromirrors, a built-in Optical Channel Monitor, and an electronic feedback control system. The biaxial channel micromirrors are rotatable about one axis to switch spectral channels between ports, and are rotatable about an orthogonal axis to vary the coupling of the spectral channel to an output port and control attenuation of the spectral signal for complete blocking or for a predetermined power level. The architecture affords hitless switching, near notchless operation, ITU channel alignment, high passband, stability over a broad temperature range, and minimum insertion loss through the optimal coupling efficiency enabled by the feedback control system.
摘要翻译：用于ROADM的用于在输入和输出端口之间切换多信道，多波长光信号的频谱信道的波长选择性开关架构（100）采用双轴MEMS端口镜阵列（106），用于最佳耦合效率和ITU网格对准，变形光束扩展器（110），用于扩展输入光信号以产生细长的光束轮廓（146），用于在空间上分离光谱通道的衍射光栅（112），变形聚焦透镜系统（116），阵列（118）双轴细长通道MEMS微镜，内置光通道监视器和电子反馈控制系统。双轴通道微镜可以围绕一个轴线旋转以在端口之间切换频谱通道，并且可以绕正交轴线旋转以改变频谱通道与输出端口的耦合，并且控制光谱信号的衰减以完全阻塞或用于预定功率水平。该架构通过反馈控制系统实现的最佳耦合效率，提供无缝切换，接近无缺陷操作，ITU通道对齐，高通带，宽温度范围内的稳定性和最小插入损耗。

3. 发明申请

WO03025630A3 FREE-SPACE OPTICAL SYSTEMS FOR WAVELENGTH SWITCHING AND SPECTRAL MONITORING APPLICATIONS 审中-公开
标题翻译：用于波长切换和光谱监测应用的自由空间光学系统
公开(公告)号：WO03025630A3
公开(公告)日：2003-07-31
申请号：PCT/US0230013
申请日：2002-09-19
申请人： CAPELLA PHOTONICS INC
发明人： WILDE JEFFREY P , POLYNKIN PAVEL , TIMMONS MICHAEL J , GARRETT MARK H
IPC分类号： G01J3/02 , G01J3/14 , G01J3/18 , G01J3/28 , G01J3/36 , G01J3/433 , G01J3/447 , G02B5/18 , G02B5/30 , G02F1/13 , G02B6/28 , G02B6/26 , G02B6/34 , H04J14/02
CPC分类号： G01J3/447 , G01J3/0224 , G01J3/2803 , G01J2003/2866
摘要： This invention provides a novel method and apparatus which use a wavelength-dispersing means such as a diffraction grating (220) to spatially separate a multi-wavelength optical signal along with a reference signal by wavelength into multiple spectral channels and a reference spectral component in a spectral array with a predetermined relative alignment. By aligning the reference spectral component at a predetermined location, the spectral channels simultaneously impinge onto designated locations, e.g., on an array of beam-receiving elements positioned in accordance with the spectral array. The reference spectral component may be further maintained at the predetermined location by way of servo-control (260), thereby ensuring that the spectral channels stay aligned at the designated locations. The present invention can be used to construct a new line of servo-based optical systems, including spectral power monitors and optical multiplexers/demultiplexers, for WDM optical networking applications.
摘要翻译：本发明提供了一种新颖的方法和装置，其使用诸如衍射光栅（220）的波长分散装置将多波长光信号与参考信号一起通过波长空间分离成多个频谱信道和参考频谱分量光谱阵列具有预定的相对对准。通过在预定位置对准参考光谱分量，光谱通道同时撞击到指定位置，例如在根据光谱阵列定位的波束接收元件的阵列上。参考频谱分量可以通过伺服控制（260）进一步保持在预定位置，从而确保频谱信道在指定位置保持对准。本发明可用于构建用于WDM光网络应用的基于伺服的光学系统的新系列，包括光功率监视器和光复用器/解复用器。

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