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Please use this identifier to cite or link to this item: http://hdl.handle.net/2262/17459

Title: High sensitivity two photon absorption microcavity autocorrelator
Author: BRADLEY, LOUISE
DONEGAN, JOHN FRANCIS
Sponsor: Enterprise Ireland
Author's Homepage: http://people.tcd.ie/jdonegan
Keywords: nonlinear detection
photodetectors
Issue Date: 2004
Publisher: IEEE
Citation: Krug, T., Lynch, M., Bradley, A.L., Donegan, J.F., Barry, L.P., Folliot, H., Roberts, J. S., Hill, G. 'High sensitivity two photon absorption microcavity autocorrelator' in Photonics Technology Letters, 16, 2004, pp. 1543 – 1545.
Series/Report no.: 16
Abstract: A GaAs–AlAs microcavity device has been used as a photodetector in an autocorrelator for measuring the temporal pulsewidth of 1.5- m optical pulses. Enhancement of the two-photon absorption photocurrent due to the microcavity structure results in an autocorrelation (average power times peak power) sensitivity of 9 3 10 4 (mW)2, which represents two orders of magnitude improvement when compared with conventional autocorrelators
Description: PUBLISHED
URI: http://ieeexplore.ieee.org/iel5/68/28893/01300659.pdf
http://hdl.handle.net/2262/17459
ISSN: 6133
Appears in Collections:Physics (Scholarly Publications)

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