We discuss the development of tunable optical receivers for packet-switched multi-wavelength computer networks. The architecture of the tunable receivers consists of a planar waveguide grating demultiplexer, photodetector array and followed by transimpedance amplifiers with selection capability. The channel selection is based on sequential switching of the received optical signals in stages at the analog level. The receivers can accommodate 32 wavelength channels at around 1.55 $mu@m region with channel access time of less than 40 ns.
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机译：我们讨论了用于分组交换多波长计算机网络的可调光接收器的开发。可调谐接收器的架构包括平面波导光栅多路分解器，光电探测器阵列，以及具有选择能力的跨阻抗放大器。信道选择基于在模拟电平的阶段中的接收光信号的顺序切换。接收器可以容纳32个波长频道，在左右1.55 $ MU @ M区域，通道访问时间小于40 ns。
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