Oscillatory variations in the Q factors of high quality micropillar cavities

S. Reitzenstein; N. Gregersen; C. Kistner; M. Strauss; C. Schneider; L. Pan; T. R. Nielsen; Sven Höfling; J. Mork; A. Forchel

doi:10.1063/1.3081030

Oscillatory variations in the Q factors of high quality micropillar cavities

S. Reitzenstein^*
, N. Gregersen
, C. Kistner
, M. Strauss
, C. Schneider
, L. Pan
, T. R. Nielsen
, Sven Höfling
, J. Mork
, A. Forchel

^*Corresponding author for this work

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

Abstract

We report on the observation of oscillatory variations in the quality (Q) factor of quantum dot-micropillar cavities based on planar Bragg reflectors. The oscillatory behavior in the Q versus diameter dependence appears in the diameter range between 1.0 and 4.0 mu m, has a characteristic period of a few hundred nanometers and increases in amplitude with increasing reflectivity of the planar microcavity structures. The experimental results are well reproduced by numerical calculations which support the interpretation that the Q oscillations are caused by coupling of propagating Bloch modes of different orders at the mirror interfaces.

Original language	English
Article number	061108
Number of pages	3
Journal	Applied Physics Letters
Volume	94
Issue number	6
DOIs	https://doi.org/10.1063/1.3081030
Publication status	Published - 9 Feb 2009

Keywords

Bragg gratings
microcavities
micromirrors
optical planar waveguides
PILLAR MICROCAVITIES

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10.1063/1.3081030

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title = "Oscillatory variations in the Q factors of high quality micropillar cavities",

abstract = "We report on the observation of oscillatory variations in the quality (Q) factor of quantum dot-micropillar cavities based on planar Bragg reflectors. The oscillatory behavior in the Q versus diameter dependence appears in the diameter range between 1.0 and 4.0 mu m, has a characteristic period of a few hundred nanometers and increases in amplitude with increasing reflectivity of the planar microcavity structures. The experimental results are well reproduced by numerical calculations which support the interpretation that the Q oscillations are caused by coupling of propagating Bloch modes of different orders at the mirror interfaces.",

keywords = "Bragg gratings, microcavities, micromirrors, optical planar waveguides, PILLAR MICROCAVITIES",

author = "S. Reitzenstein and N. Gregersen and C. Kistner and M. Strauss and C. Schneider and L. Pan and Nielsen, \{T. R.\} and Sven H{\"o}fling and J. Mork and A. Forchel",

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doi = "10.1063/1.3081030",

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volume = "94",

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T1 - Oscillatory variations in the Q factors of high quality micropillar cavities

AU - Reitzenstein, S.

AU - Gregersen, N.

AU - Kistner, C.

AU - Strauss, M.

AU - Schneider, C.

AU - Pan, L.

AU - Nielsen, T. R.

AU - Höfling, Sven

AU - Mork, J.

AU - Forchel, A.

PY - 2009/2/9

Y1 - 2009/2/9

N2 - We report on the observation of oscillatory variations in the quality (Q) factor of quantum dot-micropillar cavities based on planar Bragg reflectors. The oscillatory behavior in the Q versus diameter dependence appears in the diameter range between 1.0 and 4.0 mu m, has a characteristic period of a few hundred nanometers and increases in amplitude with increasing reflectivity of the planar microcavity structures. The experimental results are well reproduced by numerical calculations which support the interpretation that the Q oscillations are caused by coupling of propagating Bloch modes of different orders at the mirror interfaces.

AB - We report on the observation of oscillatory variations in the quality (Q) factor of quantum dot-micropillar cavities based on planar Bragg reflectors. The oscillatory behavior in the Q versus diameter dependence appears in the diameter range between 1.0 and 4.0 mu m, has a characteristic period of a few hundred nanometers and increases in amplitude with increasing reflectivity of the planar microcavity structures. The experimental results are well reproduced by numerical calculations which support the interpretation that the Q oscillations are caused by coupling of propagating Bloch modes of different orders at the mirror interfaces.

KW - Bragg gratings

KW - microcavities

KW - micromirrors

KW - optical planar waveguides

KW - PILLAR MICROCAVITIES

U2 - 10.1063/1.3081030

DO - 10.1063/1.3081030

M3 - Article

SN - 0003-6951

VL - 94

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 6

M1 - 061108

ER -

Oscillatory variations in the Q factors of high quality micropillar cavities

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