InP quantum dots in pillar microcavities - Mode spectra and single-photon emission

M. Bommer; W. M. Schulz; T. Thomay; M. Tomas; R. Roßbach; M. Jetter; A. Leitenstorfer; R. Bratschitsch; P. Michler

doi:10.1088/1742-6596/210/1/012010

InP quantum dots in pillar microcavities - Mode spectra and single-photon emission

M. Bommer
, W. M. Schulz
, T. Thomay
, M. Tomas
, R. Roßbach
, M. Jetter
, A. Leitenstorfer
, R. Bratschitsch
, P. Michler

Physics

University of Stuttgart
University of Konstanz

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

We have investigated mode spectra and single-photon emission from InP quantum dots in a pillar microcavity. Micropillars are fabricated by milling a planar AlAs/AlGaAs cavity with a focused ion beam, containing self assembled InP quantum dots embedded in AlGaInP barriers as the active medium. We performed micro-photoluminescence measurements to characterize the mode spectra and compared them with a theoretical model revealing excellent agreement. Quality factors up to 3700 were achieved. Furthermore almost background-free single-photon emission was verified by second-order photon auto-correlation measurements under pulsed excitation, yielding g⁽²⁾(0) values of 0.15.

Original language	English
Article number	012010
Journal	Journal of Physics: Conference Series
Volume	210
DOIs	https://doi.org/10.1088/1742-6596/210/1/012010
State	Published - 2010

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10.1088/1742-6596/210/1/012010

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title = "InP quantum dots in pillar microcavities - Mode spectra and single-photon emission",

abstract = "We have investigated mode spectra and single-photon emission from InP quantum dots in a pillar microcavity. Micropillars are fabricated by milling a planar AlAs/AlGaAs cavity with a focused ion beam, containing self assembled InP quantum dots embedded in AlGaInP barriers as the active medium. We performed micro-photoluminescence measurements to characterize the mode spectra and compared them with a theoretical model revealing excellent agreement. Quality factors up to 3700 were achieved. Furthermore almost background-free single-photon emission was verified by second-order photon auto-correlation measurements under pulsed excitation, yielding g(2)(0) values of 0.15.",

author = "M. Bommer and Schulz, \{W. M.\} and T. Thomay and M. Tomas and R. Ro{\ss}bach and M. Jetter and A. Leitenstorfer and R. Bratschitsch and P. Michler",

year = "2010",

doi = "10.1088/1742-6596/210/1/012010",

language = "English",

volume = "210",

journal = "Journal of Physics: Conference Series",

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TY - JOUR

T1 - InP quantum dots in pillar microcavities - Mode spectra and single-photon emission

AU - Bommer, M.

AU - Schulz, W. M.

AU - Thomay, T.

AU - Tomas, M.

AU - Roßbach, R.

AU - Jetter, M.

AU - Leitenstorfer, A.

AU - Bratschitsch, R.

AU - Michler, P.

PY - 2010

Y1 - 2010

N2 - We have investigated mode spectra and single-photon emission from InP quantum dots in a pillar microcavity. Micropillars are fabricated by milling a planar AlAs/AlGaAs cavity with a focused ion beam, containing self assembled InP quantum dots embedded in AlGaInP barriers as the active medium. We performed micro-photoluminescence measurements to characterize the mode spectra and compared them with a theoretical model revealing excellent agreement. Quality factors up to 3700 were achieved. Furthermore almost background-free single-photon emission was verified by second-order photon auto-correlation measurements under pulsed excitation, yielding g(2)(0) values of 0.15.

AB - We have investigated mode spectra and single-photon emission from InP quantum dots in a pillar microcavity. Micropillars are fabricated by milling a planar AlAs/AlGaAs cavity with a focused ion beam, containing self assembled InP quantum dots embedded in AlGaInP barriers as the active medium. We performed micro-photoluminescence measurements to characterize the mode spectra and compared them with a theoretical model revealing excellent agreement. Quality factors up to 3700 were achieved. Furthermore almost background-free single-photon emission was verified by second-order photon auto-correlation measurements under pulsed excitation, yielding g(2)(0) values of 0.15.

UR - https://www.scopus.com/pages/publications/77950481723

U2 - 10.1088/1742-6596/210/1/012010

DO - 10.1088/1742-6596/210/1/012010

M3 - Article

AN - SCOPUS:77950481723

SN - 1742-6588

VL - 210

JO - Journal of Physics: Conference Series

JF - Journal of Physics: Conference Series

M1 - 012010

ER -

InP quantum dots in pillar microcavities - Mode spectra and single-photon emission

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