Gautam R. Gangasani, Chun-Ming Hsu, et al.
IEEE JSSC
Conference paper
An 800 Gb/s, 16 channel, VCSEL-based, co-packaged transceiver with fast laser sparing
Abstract
We report on high speed, low power, and sparing characteristics of the transmitter portion of an 800 Gb/s co-packaged transceiver using VCSELs and 2:1 sparing for improved reliability. The transmitter consumes 2.7 pJ/bit including the laser. The spare VCSEL can be enabled in < 100ns.
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