Receiverless detection schemes for optical clock distribution

Aparna Bhatnagar; Christof Debaes; Hugo Thienpont; David A. B. Miller

doi:10.1117/12.518316

6 July 2004 Receiverless detection schemes for optical clock distribution

Aparna Bhatnagar, Christof Debaes, Hugo Thienpont, David A. B. Miller

Proceedings Volume 5359, Quantum Sensing and Nanophotonic Devices; (2004) https://doi.org/10.1117/12.518316
Event: Integrated Optoelectronic Devices 2004, 2004, San Jose, CA, United States

Abstract

This paper summarizes experiments using a modelocked laser to produce a fast-rising, low-jitter electrical signal for clocking CMOS circuits. A simple integrating optical-to-electrical conversion scheme using two photodiodes is used to minimize jitter, area and electrical power consumption. This scheme is called receiver-less because there is no receiver to introduce unwanted skew, jitter and electrical power consumption. Receiver-less optical clock injection to a single CMOS circuit with < 6 ps rms jitter has been demonstrated. To scale the receiver-less concept low capacitance detectors are necessary. Transit-time limited rise times from low capacitance monolithic silicon CMOS photo-detectors have been simulated using 425 nm short pulses. The utility of this 'receiver-less' scheme is examined for larger clock distribution networks and varying photodiode capacitances.

Citation Download Citation

Aparna Bhatnagar, Christof Debaes, Hugo Thienpont, and David A. B. Miller "Receiverless detection schemes for optical clock distribution", Proc. SPIE 5359, Quantum Sensing and Nanophotonic Devices, (6 July 2004); https://doi.org/10.1117/12.518316

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