Optical characterization of a GaAs/GaAlAs asymmetric microcavity structure

Research output: Contribution to journalArticle

Abstract

A GaAs/GaAlAs-based asymmetric microcavity structure was studied by various optical characterization techniques. The angle-dependent reflectance (R) spectra showed that the cavity mode (CM) superimposed on quantum well excitonic transitions. The resonance enhancement effect between the excitonic transitions and the CM in the weak-coupling regime was explored using the angle-dependent differential surface photovoltage spectroscopy (DSPS) and photoluminescence (PL), and temperature-dependent PL. In this work, we have also implemented a new modulation technique, namely, the angle modulation reflectance (AMR) to decouple the CM from the overlapped excitonic transitions. The AMR technique has been demonstrated to be an efficient method for the study of weak coupling effect in the microcavity structure.

Original languageEnglish
Pages (from-to)10865-10872
Number of pages8
JournalOptics Express
Volume13
Issue number26
DOIs
Publication statusPublished - 2005 Dec 22

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reflectance
modulation
cavities
photoluminescence
photovoltages
quantum wells
augmentation
spectroscopy
temperature

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

Cite this

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title = "Optical characterization of a GaAs/GaAlAs asymmetric microcavity structure",
abstract = "A GaAs/GaAlAs-based asymmetric microcavity structure was studied by various optical characterization techniques. The angle-dependent reflectance (R) spectra showed that the cavity mode (CM) superimposed on quantum well excitonic transitions. The resonance enhancement effect between the excitonic transitions and the CM in the weak-coupling regime was explored using the angle-dependent differential surface photovoltage spectroscopy (DSPS) and photoluminescence (PL), and temperature-dependent PL. In this work, we have also implemented a new modulation technique, namely, the angle modulation reflectance (AMR) to decouple the CM from the overlapped excitonic transitions. The AMR technique has been demonstrated to be an efficient method for the study of weak coupling effect in the microcavity structure.",
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Optical characterization of a GaAs/GaAlAs asymmetric microcavity structure. / Lin, Der-Yuh.

In: Optics Express, Vol. 13, No. 26, 22.12.2005, p. 10865-10872.

Research output: Contribution to journalArticle

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