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Lithographically fabricated optical cavities for refractive index sensing

Adams, Mark and DeRose, Guy A. and Lončar, Marko and Scherer, Axel (2005) Lithographically fabricated optical cavities for refractive index sensing. Journal of Vacuum Science and Technology B, 23 (6). pp. 3168-3173. ISSN 1071-1023. doi:10.1116/1.2127945.

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Since the development of distributed Bragg gratings, high resolution lithography and etching have been applied towards the concentration of light. The most important application of lithographically fabricated microcavities has been for the spectral control over laser emission. Here we describe the opportunities that arise from further miniaturization of laser cavities by using high index contrast photonic crystal mirrors and annular Bragg reflectors. We have used these optical cavities, with mode volumes as small as 10^–17 l, to perform spectroscopic analysis and compare the mode volumes and sensitivities of these geometries.

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Additional Information:©2005 American Vacuum Society (Received 3 June 2005; accepted 26 September 2005; published 7 December 2005) The authors wish to acknowledge generous support from DARPA under Contract No. HR0011-04-1-0032, The NIH under Contract No. RFA-CA-05-003, and the AFOSR under Contract No. F49620-02-1-0324.
Subject Keywords:lithography; refractive index; Bragg gratings; etching; microcavities; microcavity lasers; photonic crystals; laser mirrors
Issue or Number:6
Record Number:CaltechAUTHORS:ADAjvstb05
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:1691
Deposited By: Archive Administrator
Deposited On:12 Feb 2006
Last Modified:08 Nov 2021 19:35

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