Semiconductor microballs as bistable optical elements
1996; Elsevier BV; Volume: 129; Issue: 1-2 Linguagem: Inglês
10.1016/0030-4018(95)00764-4
ISSN1873-0310
Autores Tópico(s)Photonic Crystals and Applications
ResumoWe discuss the feasibility of using a semiconductor microball as an optical bistable element. We analyze the bistability conditions using whispering-gallery modes and compare the bistability parameters for a semiconductor band-band transition with the bistability parameters for a transparent medium that has a third-order nonlinearity. The semicondutor material provides a better contrast ratio by a factor of ∼2.5 for an external signal power of ∼100 times less.
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