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Field-programmable logic devices with optical input-output

机译：带光学输入输出的现场可编程逻辑器件

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A field-programmable logic device (FPLD) with optical I/O is described. FPLD's with optical I/O can have their functionality specified in the field by means of downloading a control-bit stream and can be used in a wide range of applications, such as optical signal processing, optical image processing, and optical interconnects. Our device implements six state-of-the-art dynamically programmable logic arrays (PLA's) on a 2 mm×2 mm die. The devices were fabricated through the Lucent Technologies-Advanced Research Projects Agency-Consortium for Optical and Optoelectronic Technologies in Computing (Lucent/ARPA/COOP) workshop by use of 0.5-μm complementary metal-oxide semiconductor-self-electro-optic device technology and were delivered in 1998. All devices are fully functional: The electronic data paths have been verified at 200 MHz, and optical tests are pending. The device has been programmed to implement a two-stage optical switching network with six 4×4 crossbar switches, which can realize more than 190×10~(6) unique programmable input-output permutations. The same device scaled to a 2 cm×2 cm substrate could support as many as 4000 optical I/O and 1 Tbit/s of optical I/O bandwidth and offer fully programmable digital functionality with approximately 110,000 programmable logic gates. The proposed optoelectronic FPLD is also ideally suited to realizing dense, statically reconfigurable crossbar switches. We describe an attractive application area for such devices: a rearrangeable three-stage optical switch for a wide-area-network backbone, switching 1000 traffic streams at the OC-48 data rate and supporting several terabits of traffic.
机译：描述了具有光学I / O的现场可编程逻辑器件（FPLD）。带有光学I / O的FPLD可以通过下载控制位流在现场指定其功能，并且可以在各种应用中使用，例如光学信号处理，光学图像处理和光学互连。我们的设备在2mm×2mm的裸片上实现了六个最新的动态可编程逻辑阵列（PLA）。这些设备是通过朗讯技术-高级研究计划局-计算机光学和光电子技术联盟（Lucent / ARPA / COOP）车间使用0.5-μm互补金属氧化物半导体-自电光设备技术制造的。于1998年交付。所有设备均功能齐全：电子数据路径已通过200 MHz的验证，光学测试尚在进行中。该器件经过编程，可实现具有六个4×4纵横开关的两级光交换网络，可实现超过190×10〜（6）个独特的可编程输入输出排列。缩放到2 cm x 2 cm基板的同一器件可以支持多达4000个光学I / O和1 Tbit / s的光学I / O带宽，并提供具有大约110,000个可编程逻辑门的完全可编程数字功能。所提出的光电FPLD也非常适合实现密集的，静态可重新配置的纵横开关。我们描述了此类设备的一个有吸引力的应用领域：用于广域网骨干网的可重排三级光交换机，以OC-48数据速率交换1000个业务流并支持几个流量的流量。

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