Nonlinear absorption and dispersion in fiber-taper-coupled silicon photonic crystal microresonators

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dc.creatorBarclay, Paul E.
dc.creatorSrinivasan, Kartik
dc.creatorPainter, Oskar
dc.date2004-12-01
dc.date.accessioned2026-07-07T05:53:36Z
dc.date.available2026-07-07T05:53:36Z
dc.descriptionA technique is demonstrated which efficiently transfers light between a tapered standard single-mode optical fiber and a high-Q, ultra-small mode volume, silicon photonic crystal resonant cavity. Cavity mode quality factors of 47000 are measured, and a total fiber-to-cavity coupling efficiency of 44% is demonstrated. Using this efficient cavity input and output channel, the steady-state nonlinear absorption and dispersion of the photonic crystal cavity is studied. Optical bistability is observed for fiber input powers as low as 250 μW, corresponding to a dropped power of 100 μW and 3 fJ of stored cavity energy. A high-density effective free-carrier lifetime for these silicon photonic crystal resonators of 0.5 ns is also estimated from power dependent loss and dispersion measurements.
dc.identifierhttps://arxiv.org/abs/physics/0412002
dc.identifierhttp://arxiv.org/abs/physics/0412002
dc.identifierOptics Express, Vol. 13, No. 3, pp. 801-820, Feb. 7, 2005
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/86702
dc.subjectOptics
dc.subjectMaterials Science
dc.titleNonlinear absorption and dispersion in fiber-taper-coupled silicon photonic crystal microresonators
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