||G. A. Keeler, B. E. Nelson, D. Agarwal, and D. A. B.
Miller, "Skew and jitter removal using short optical pulses for optical
interconnection," IEEE Photonics Technol. Lett. , 12, 714 -716 (2000)
demonstrate data resynchronization in a multi-channel chip-to-chip free-space optical
interconnect for complementary metal-oxide-semiconductor (CMOS) using short optical
pulses. Operation of the system is shown at speeds of 82 Mb/s per channel, limited by the
repetition rate of teh mode-locked laser used. We show explicitly the ability to
resynchronize parallel channels and elimnate timing fluctuations; we remove up to ±3/8 of
a bit period of interchannel skew and single channel jitter from the transmitted signals
in a complete interconnect link that includes optical transmission, reception, and
retransmission of digital data.
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