Simulation of a high-speed demultiplexer based on two-photon absorption in semiconductor devices
Maguire, Paul J. and Barry, Liam P. and Krug, T. and Bradley, Ann Louise and Donegan, John Francis and Folliot, H. (2005) Simulation of a high-speed demultiplexer based on two-photon absorption in semiconductor devices. Optics Communications, 249 (4-6). pp. 415-420. ISSN 0030-4018
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In this paper, we present a theoretical model of an all-optical demultiplexer based on two-photon absorption in a specially designed semiconductor micro-cavity for use in an optical time division multiplexed system. We show that it is possible to achieve error-free demultiplexing of a 250 Gbit/s OTDM signal (25 × 10 Gbit/s channels) using a control-to-signal peak pulse power ratios of around 30:1 with a device bandwidth of approximately 30 GHz.
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