Purcell effect in photonic crystal microcavities embedding InAs/InP quantum wires

Josep Canet-Ferrer*, Luis J. Martínez, Ivan Prieto, Benito Alín, Guillermo Muñoz, Matutano David Fuster, Yolanda González, María L. Dotor, Luisa González, Pablo A. Postigo, Juan P. Martínez-Pastor

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)

Abstract

The spontaneous emission rate and Purcell factor of selfassembled quantum wires embedded in photonic crystal micro-cavities aremeasured at 80 K by using micro- photoluminescence, under transient and steady state excitation conditions. The Purcell factors fall in the range 1.1 - 2 despite the theoretical prediction of ?15.5 for the figure of merit. We explain this difference by introducing a polarization dependence on the cavity orientation, parallel or perpendicular with respect to the wire axis, plus spectral and spatial detuning factors for the emitters and the cavitymodes, taking in account the finite size of the quantum wires.

Original languageEnglish
Pages (from-to)7901-7914
Number of pages14
JournalOptics Express
Volume20
Issue number7
DOIs
Publication statusPublished - 26 Mar 2012
Externally publishedYes

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