Journal
OPTICS EXPRESS
Volume 16, Issue 23, Pages 19382-19387Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.16.019382
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- National Institute of Information and Communications Technology (NICT)
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We demonstrate all-optical bit memory operation with photonic crystal (PhC) nanocavities based on an InGaAsP substrate with a band gap at a wavelength of about 1.3 mu m. The optical bistability is based on a refractive index modulation caused by carrier-plasma dispersion. The operating energy required for switching is only 30 fJ, and the minimum optical bias power for bistability is 40 mu W, which is about one hundred times less than that required for laser based bistable memories. (C) 2008 Optical Society of America
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