Optical single-clock-pulse generator using a photoconductive sample-and-hold circuit for processing ultrafast asynchronous optical packets
- 10 December 2002
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Photonics Technology Letters
- Vol. 14 (11) , 1623-1625
- https://doi.org/10.1109/lpt.2002.803317
Abstract
A scheme is proposed for generating a packet-level optical single-clock-pulse that uses an InP metal-semiconductor-metal photodiode-based sample-and-hold circuit and a gain-switched laser diode. A 3.3-ps single-pulse generation synchronized to the first bit pulse of an incoming ultrafast burst optical packet is demonstrated. The generated pulse has constant timing, intensity, and polarization; hence, it is suitable for use as the control pulse of an all-optical switching device used in a photonic packet-switched network node operating at over 40 Gbit/s.Keywords
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