Influence of Cavity Lifetime on High-Finesse Microcavity Two-Photon Absorption Photodetectors

Author

Guo, W.H. ; O´Dowd, J. ; Lynch, M. ; Bradley, A.L. ; Donegan, J.F. ; Barry, L.P.

Author_Institution

Semicond. Photonics Group, Trinity Coll., Dublin

Volume

19

Issue

6

fYear

2007

fDate

3/15/2007 12:00:00 AM

Firstpage

432

Lastpage

434

Abstract

For optical pulse incidence as compared with continuous-wave incidence, the enhancement of two-photon absorption inside a high-finesse planar microcavity is reduced, the pulse inside the cavity and the cavity spectrum are broadened. The analysis shows that for transform-limited pulse incidence, the true pulsewidth and the cavity frequency resolution can be estimated if the cavity lifetime or the cavity bandwidth has been obtained from the reflection or transmission spectrum of the cavity

Keywords

light reflection; micro-optics; microcavities; photodetectors; spectral line broadening; two-photon processes; cavity bandwidth; cavity frequency resolution; cavity lifetime; cavity spectrum; high-finesse microcavity; optical pulse incidence; photodetectors; planar microcavity; reflection spectrum; spectral broadening; transform-limited pulse; transmission spectrum; two-photon absorption; Absorption; Bandwidth; Frequency estimation; Life estimation; Lifetime estimation; Microcavities; Optical pulses; Optical reflection; Photodetectors; Space vector pulse width modulation; Autocorrelation; finesse; microcavity; photodetector; two-photon absorption (TPA);

fLanguage

English

Journal_Title

Photonics Technology Letters, IEEE

Publisher

ieee

ISSN

1041-1135

Type

jour

DOI

10.1109/LPT.2007.892884

Filename

4130445