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    • 4. 发明授权
    • Integrated optical circuit having an integrated arrayed waveguide grating (AWG) and optical amplifier(s)
    • 具有集成阵列波导光栅(AWG)和光放大器的集成光电路
    • US07050663B2
    • 2006-05-23
    • US09982227
    • 2001-10-17
    • Dmitri E. NikonovChristopher J. Scholz
    • Dmitri E. NikonovChristopher J. Scholz
    • G02B6/12
    • G02B6/12019G02B6/12004G02B6/12007
    • An integrated optical circuit includes waveguides formed in the integrated optical circuit. One set of waveguides is a set of optical amplifiers doped with rare earth ions. A second set of waveguides is a multiplexer or demultiplexer, such as an arrayed waveguide grating (AWG). The set of optical amplifiers and the AWG are coupled together via waveguides formed in the integrated optical circuit. Other elements on the integrated optical circuit are coupled to the set of optical amplifiers and the AWG via optical fibers. The spectral response of the AWG is modified to compensate for the spectral gain of the AWG. The lengths of the individual optical amplifiers in the set of optical amplifiers may be varied to cause uniform power distribution across channels. The integrated optical circuit also has a pump coupler to couple a pump source to the set of optical amplifiers.
    • 集成光电路包括形成在集成光电路中的波导。 一组波导是掺杂有稀土离子的一组光放大器。 第二组波导是多路复用器或解复用器,例如阵列波导光栅(AWG)。 该组光放大器和AWG通过集成光电路中形成的波导耦合在一起。 集成光电路上的其他元件通过光纤耦合到一组光放大器和AWG。 修改AWG的光谱响应以补偿AWG的光谱增益。 可以改变该组光放大器中各个光放大器的长度,以便在通道之间产生均匀的功率分布。 集成光电路还具有泵耦合器以将泵浦源耦合到该组光放大器。