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Operation of an optoelectronic crossbar switch containing a terabit-per-second free-space optical interconnect

机译：包含每秒1 TB的自由空间光互连的光电交叉开关的操作

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The experimental operation of a terabit-per-second scale optoelectronic connection to a silicon very-large-scale-integrated circuit is described. A demonstrator system, in the form of an optoelectronic crossbar switch, has been constructed as a technology test bed. The assembly and testing of the components making up the system, including a flip-chipped InGaAs-GaAs optical interface chip, are reported. Using optical inputs to the electronic switching chip, single-channel routing of data through the system at the design rate of 250 Mb/s (without internal fan-out) was achieved. With 4000 optical inputs, this corresponds to a potential aggregate data input of a terabit per second into the single 14.6 x 15.6 mm CMOS chip. In addition 50-Mb/s data rates were switched utilizing the full internal optical fan-out included in the system to complete the required connectivity. This simultaneous input of data across the chip corresponds to an aggregate data input of 0.2 Tb/s. The experimental system also utilized optical distribution of clock signals across the CMOS chip.
机译：描述了到硅超大规模集成电路的每秒兆兆级光电连接的实验操作。光电交叉开关形式的演示系统已被构建为技术测试平台。报告了组成该系统的组件的组装和测试，包括倒装的InGaAs-GaAs光接口芯片。使用到电子交换芯片的光输入，以250 Mb / s的设计速率（无内部扇出）实现了系统中数据的单通道路由。对于4000个光输入，这相当于每秒1 TB的潜在聚合数据输入到单个14.6 x 15.6 mm CMOS芯片中。另外，利用系统中包括的完整内部光学扇出切换了50 Mb / s的数据速率，以完成所需的连接。跨芯片的数据同时输入对应于总计0.2 Tb / s的数据输入。实验系统还利用了整个CMOS芯片上时钟信号的光学分布。

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