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    • 59. 发明申请
    • Method and apparatus for wavelength-selective switches and modulators
    • 用于波长选择开关和调制器的方法和装置
    • US20070140618A1
    • 2007-06-21
    • US11244768
    • 2005-10-06
    • Christopher DoerrDan Marom
    • Christopher DoerrDan Marom
    • G02B6/34
    • G02B6/12019G02B6/12011
    • An apparatus and method are provided for manipulating light beams propagated through an optical apparatus that includes a planar lightwave circuit (PLC) and free-space optics unit. A multi-wave optical signal coupled to the PLC is propagated through a first and second waveguide array to generate a phased array output at an edge facet of the PLC. The phased array output at the edge facet is spatially Fourier transformed by the lens to generate a spectrally resolved image having a discrete light spot for each channel of the input optical signal, which is coupled to a pixelated optical receiving unit. When the optical receiving unit is a reflector, one or more of the discrete light spot are reflected to a desired waveguide array of a PLC to produce a desired output. When the optical receiving unit is a pixelated transmissive modulator, one or more of the discrete light spot are modulated as they pass through the modulator.
    • 提供了一种用于操纵通过包括平面光波电路(PLC)和自由空间光学单元的光学装置传播的光束的装置和方法。 耦合到PLC的多波长光信号通过第一和第二波导阵列传播,以在PLC的边缘面产生相控阵列输出。 在边缘小面处的相控阵输出由透镜进行空间傅里叶变换,以产生具有与输入光信号的每个通道的离散光点的分光光谱,该像素耦合到像素化光接收单元。 当光接收单元是反射器时,离散的光点中的一个或多个被反射到PLC的期望的波导阵列以产生期望的输出。 当光接收单元是像素化透射调制器时,离散光点中的一个或多个在它们通过调制器时被调制。
    • 60. 发明申请
    • Reconfigurable optical add/drop multiplexer
    • 可重配置的光分插复用器
    • US20070053633A1
    • 2007-03-08
    • US11204624
    • 2005-08-16
    • Christopher DoerrJean Leonardus Jennen
    • Christopher DoerrJean Leonardus Jennen
    • G02B6/26
    • G02B6/29395G02B6/12007G02B6/12021G02B6/2713G02B6/2746G02B6/2766G02B6/2773G02B6/29383
    • A reconfigurable optical add/drop multiplexer (ROADM) includes a first optical dynamic gain equalization filter (DGEF) having a first input for receiving an initial wavelength division multiplexed (WDM) signal, a first output for sending a phase shifted WDM signal, and a second output connected to a demultiplexer for demultiplexing a WDM drop signal thereby producing a plurality of drop channels. A second DGEF having a first input for receiving the phase shifted WDM signal, a second input connected to a multiplexer, for multiplexing a plurality of add channels to produce thereby a wavelength division multiplexed (WDM) add signal, and an output for sending a second adjusted WDM signal. The ROADM allows for the channels from the initial WDM signal to be dropped, added and equalized.
    • 可重新配置的光分插复用器(ROADM)包括第一光学动态增益均衡滤波器(DGEF),其具有用于接收初始波分复用(WDM)信号的第一输入端,用于发送相移WDM信号的第一输出端,​​以及 第二输出连接到解复用器,用于对WDM丢弃信号进行解复用,从而产生多个丢弃信道。 具有用于接收相移WDM信号的第一输入端的第二DGEF,连接到多路复用器的第二输入端,用于多路复用多个附加通道以产生波分复用(WDM)加法信号,以及用于发送第二 调整后的WDM信号。 ROADM允许来自初始WDM信号的信道被丢弃,相加和均衡。