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      Spectrally engineered photonic molecules as optical sensors with enhanced sensitivity: a proposal and numerical analysis

      Journal of the Optical Society of America B

      The Optical Society

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          Single Silver Nanoparticles as Real-Time Optical Sensors with Zeptomole Sensitivity

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            Rate equation analysis of microcavity lasers

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              Beyond the Rayleigh scattering limit in high-Q silicon microdisks: theory and experiment.

              Using a combination of resist reflow to form a highly circular etch mask pattern and a low-damage plasma dry etch, high-quality-factor silicon optical microdisk resonators are fabricated out of silicon-on-insulator (SOI) wafers. Quality factors as high as Q = 5x10(6) are measured in these microresonators, corresponding to a propagation loss coefficient as small as alpha ~ 0.1 dB/cm. The different optical loss mechanisms are identified through a study of the total optical loss, mode coupling, and thermally-induced optical bistability as a function of microdisk radius (5-30 microm). These measurements indicate that optical loss in these high-Q microresonators is limited not by surface roughness, but rather by surface state absorption and bulk free-carrier absorption.
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                Author and article information

                Journal
                JOBPDE
                Journal of the Optical Society of America B
                J. Opt. Soc. Am. B
                The Optical Society
                0740-3224
                1520-8540
                2006
                2006
                August 01 2006
                August 01 2006
                : 23
                : 8
                : 1565
                Article
                10.1364/JOSAB.23.001565
                © 2006

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