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    • 2. 发明申请
    • METHODS AND APPARATUS FOR OPTICAL COMMUNICATION
    • 用于光通信的方法和设备
    • WO2004064260A3
    • 2004-12-09
    • PCT/US2004000322
    • 2004-01-07
    • ZHOU PING
    • ZHOU PING
    • G02B6/34G02B6/35G02F1/31H04Q11/00G02B6/28
    • H04Q11/0005G02B6/29373G02B6/29395G02B6/351G02B6/3524G02B6/3528G02B6/3538G02B6/3544G02B6/3546G02B6/3556G02B6/356G02B6/3568G02B6/3572G02B6/3576G02F1/31H04Q2011/0035
    • A method and apparatus for communications according to various aspects of the present invention comprises a switching system configured to receive optical signals and direct the optical signals along a selected optical path. The switching system suitably includes more than one switch, and at least one of the switches may include a variable refractive material having a first state and a second state, wherein the optical signal is transmitted via a first path when the variable refractive material is in the first state and the individual channel signal is transmitted via a second path when the variable refractive material is in the second state. The switching system may alternatively or additionally include a switch element having a reflective state and a transmissive state, wherein the optical signal is reflected via a first path when the switch element is in the reflective state and the individual channel signal is transmitted via a second path when the switch element is in the transmissive state.
    • 根据本发明的各个方面的用于通信的方法和设备包括交换系统,该交换系统被配置为接收光信号并沿选定的光路引导光信号。 开关系统适当地包括多于一个开关,并且开关中的至少一个可以包括具有第一状态和第二状态的可变折射材料,其中当可变折射材料处于第一状态时,光信号经由第一路径传输 第一状态,并且当可变折射材料处于第二状态时,单独通道信号经由第二路径传输。 开关系统可以可选地或附加地包括具有反射状态和透射状态的开关元件,其中当开关元件处于反射状态时,光信号经由第一路径反射,并且单独通道信号经由第二路径 当开关元件处于透​​射状态时。
    • 4. 发明申请
    • GANGED OPTICAL SWITCH
    • 激光光开关
    • WO2010012098A1
    • 2010-02-04
    • PCT/CA2009/001076
    • 2009-07-30
    • NORTEL NETWORKS LIMITEDFARLEY, Kevin, Stuart
    • FARLEY, Kevin, Stuart
    • G02B6/35H04B10/20
    • G02B6/351G02B6/3534H04J14/0204H04J14/0205H04J14/0206H04J14/021H04J14/0212H04J14/0213H04J14/0291H04J14/0295
    • A ganged optical switch comprising at least one wavelength selective ganged optical switching element, first and second sets of input ports, and first and second sets of output ports. Optical signals entering one of the first set of input ports can be routed, in a first routing, via the at least one ganged optical switching element to one of the second set of output ports, and optical signals entering one of the first set of input ports can be routed, in a second routing, via the at least one ganged optical switching element to one of the second set of output ports. The ganged optical switching element ensures that the first and second routings are interdependent. In one embodiment, some of the output ports are shared between the first and second sets of output ports. ROADMs and protection switching applications of the ganged optical switches of the invention are also disclosed.
    • 一种有组合的光开关,包括至少一个波长选择性组合光开关元件,第一和第二组输入端口以及第一和第二组输出端口。 进入第一组输入端口的光信号可以在第一路由中经由至少一个组合光开关元件被路由到第二组输出端口中的一个,以及进入第一组输入端的光信号 端口可以​​在第二路由中经由至少一个组合的光交换元件路由到第二组输出端口中的一个。 联动光开关元件确保第一和第二布线是相互依赖的。 在一个实施例中,一些输出端口在第一和第二组输出端口之间共享。 还公开了本发明的组合光开关的ROADM和保护切换应用。
    • 5. 发明申请
    • BI-STABLE MAGNETIC LATCH ASSEMBLY
    • 双稳态磁铁组件
    • WO2007106163A3
    • 2009-05-07
    • PCT/US2006047396
    • 2006-12-12
    • HONEYWELL INT INCGONZALEZ MARIOHADDEN STEVE LOSTERBERG DAVID ABUCHELE PAUL D
    • GONZALEZ MARIOHADDEN STEVE LOSTERBERG DAVID ABUCHELE PAUL D
    • H02K49/10G02B26/00
    • H02K49/106G02B6/351G02B6/3552G02B6/3572G02B6/358G02B7/005G02B26/00H01F7/0231
    • A bi-stable magnetic switch assembly (600) comprises a stator (602) having an axis and first and second magnetic portions (622) angularly disposed there around, and a rotor (604) having at least one magnetic region (630, 634, 636) attracted to the first and second portions (622). The rotor (604) is configured for rotation about the axis between 1) a first latched position wherein the region (630, 634, 636) resides proximate to, but is spaced apart from, the first portion (622); and 2) a second latched position wherein the region (630, 634, 636) resides proximate to, but is spaced apart from, the second portion (622). A spring biases the rotor (604) to a position where the region (630, 634, 636) resides intermediate the first and second portions (622). A coil (626), which is associated with at least one of the first portion (622), the second portion (622), and the region (630, 634, 636), may be energized to reduce the force of attraction between the region (630, 634, 636) and the first and second portions (622) when in the first and second latched positions, respectively.
    • 双稳态磁开关组件(600)包括具有轴的定子(602)和在其周围有角度地设置的第一和第二磁性部分(622),以及具有至少一个磁性区域(630,634)的转子 636)被吸引到第一和第二部分(622)。 转子(604)构造用于在1)第一闭锁位置之间旋转,其中区域(630,634,636)位于第一部分(622)附近但与第一部分(622)间隔开; 和2)第二锁定位置,其中所述区域(630,634,636)位于第二部分(622)附近但是与第二部分(622)间隔开。 弹簧将转子(604)偏置到区域(630,634,636)位于第一和第二部分(622)之间的位置。 可以对与第一部分(622),第二部分(622)和区域(630,634,636)中的至少一个相关联的线圈(626)进行通电,以减小吸收力 区域(630,634,636)以及分别在第一和第二锁定位置的第一和第二部分(622)。
    • 6. 发明申请
    • OPTICAL SWITCH WITH 3D WAVEGUIDES
    • 具有3D波形的光学开关
    • WO03075062A2
    • 2003-09-12
    • PCT/US0306658
    • 2003-03-03
    • ROSEMOUNT INC
    • FRICK ROGER L
    • G02B26/08B81B3/00G02B5/18G02B6/12G02B6/35H04Q3/52
    • G02B6/3534G02B6/12002G02B6/351G02B6/3546G02B6/3556G02B6/357G02B6/3576G02B6/3578G02B6/3584G02B6/3596
    • An optical switch for routing optical signals between optical fibers is shown. Signals are guided internally in an optically transparent substrate by buried waveguides that are directly coupled to the optical fibers. These waveguides form a 3-dimensional optical routing structure internal to the substrate. Signals are coupled between adjacent waveguides by total internal reflection at the surfaces of the substrate. A moveable diffraction grating is coupled to these optical signals at points of total internal reflection via evanescent coupling. This coupling causes a change in direction of the optical signal and routes the signal to the desired waveguide. Known techniques can be used to form the waveguides by writing them with a pulsed laser. Local heating causes a permanent increase in refractive index that forms a single mode waveguide structure. The resulting device has low losses and can be formed by low cost MEMs processes.
    • 示出了用于在光纤之间路由光信号的光开关。 信号通过直接耦合到光纤的掩埋波导在光学透明衬底内部引导。 这些波导形成在衬底内部的3维光路由结构。 信号通过在衬底的表面处的全内反射耦合在相邻波导之间。 可移动衍射光栅通过ev逝耦合在全内反射点处耦合到这些光信号。 该耦合导致光信号的方向改变并且将信号路由到期望的波导。 可以使用已知的技术通过用脉冲激光写入它们来形成波导。 局部加热导致形成单模波导结构的折射率的永久增加。 所得到的器件具有低损耗并且可以通过低成本的MEMs工艺来形成。
    • 7. 发明申请
    • GRATING BASED COMMUNICATION SWITCHING
    • 基于GRATING的通信切换
    • WO01045430A2
    • 2001-06-21
    • PCT/US2000/034191
    • 2000-12-15
    • G01J3/18G02B6/34G02B6/35G02B6/42H04Q11/00H04Q
    • G02B6/3588G01J3/18G02B6/2931G02B6/351G02B6/3538G02B6/356G02B6/4249H04Q11/0005H04Q2011/002H04Q2011/0026H04Q2011/0035H04Q2011/0039H04Q2011/005
    • An optical communication channel switch includes an aberration corrected spectrometer (1) adapted for receiving plural channels of communication in a one dimensional array of sites where each site corresponds to a source (12), and a channel selector (110) for selectively switching channels. After receiving the plural channels, the aberration corrected spectrometer provides the channels in a two dimensional array in which channels are distributed in rows (or columns) of similar frequency and different sources and in columns (or rows) of differing frequency and common sources. The channel selector (110) selectively switches channels among sites in the two dimensional array and provides a single dimensional reconfigured array of frequency separated channels that is combined into the two dimensional array. Another aberration corrected spectrometer (2) receives the selectively switched two dimensional array and combines the channels into a single dimensional array of sites having one or more frequency separated channels.
    • 光通信通道开关包括像差校正光谱仪(1),其适于在每个位置对应于源(12)的位置的一维阵列中接收多个通道,以及用于选择性地切换通道的通道选择器(110)。 在接收到多个通道之后,像差校正光谱仪以通道以不同频率和不同频率和共同来源的列(或行)的行(或列)分布的二维阵列提供通道。 信道选择器(110)选择性地切换二维阵列中的站点之间的信道,并提供被组合成二维阵列的频率分离信道的单维重构阵列。 另一个像差校正光谱仪(2)接收有选择地转换的二维阵列,并将这些通道组合成具有一个或多个频率分离通道的位置的单维阵列。
    • 10. 发明申请
    • METHODS AND APPARATUS FOR OPTICAL COMMUNICATION
    • 光通信的方法和装置
    • WO2004064260A2
    • 2004-07-29
    • PCT/US2004/000322
    • 2004-01-07
    • ZHOU, Ping
    • ZHOU, Ping
    • H04B
    • H04Q11/0005G02B6/29373G02B6/29395G02B6/351G02B6/3524G02B6/3528G02B6/3538G02B6/3544G02B6/3546G02B6/3556G02B6/356G02B6/3568G02B6/3572G02B6/3576G02F1/31H04Q2011/0035
    • A method and apparatus for communications according to various aspects of the present invention comprises a switching system configured to receive optical signals and direct the optical signals along a selected optical path. The switching system suitably includes more than one switch, and at least one of the switches may include a variable refractive material having a first state and a second state, wherein the optical signal is transmitted via a first path when the variable refractive material is in the first state and the individual channel signal is transmitted via a second path when the variable refractive material is in the second state. The switching system may alternatively or additionally include a switch element having a reflective state and a transmissive state, wherein the optical signal is reflected via a first path when the switch element is in the reflective state and the individual channel signal is transmitted via a second path when the switch element is in the transmissive state.
    • 根据本发明的各个方面的用于通信的方法和装置包括被配置为接收光信号并沿着所选光路引导光信号的开关系统。 开关系统适当地包括多于一个开关,并且开关中的至少一个可以包括具有第一状态和第二状态的可变折射材料,其中当可变折射材料处于 当可变折射材料处于第二状态时,第一状态和单个通道信号经由第二路径传输。 交换系统可以可选地或另外包括具有反射状态和透射状态的开关元件,其中当开关元件处于反射状态时,光信号经由第一路径被反射,并且单独的通道信号经由第二路径 当开关元件处于透​​射状态时。