Red shift of the excited state due to a non-degenerate biexciton in self-organized quantum dots

K. Kim; J. Singh; P. Bhattacharya; T. B. Norris; U. Hohenester

Red shift of the excited state due to a non-degenerate biexciton in self-organized quantum dots

K. Kim, J. Singh, P. Bhattacharya, T. B. Norris, U. Hohenester

Department of Mechanical Engineering

Research output: Contribution to journal › Conference article › peer-review

Abstract

When the n=1 (ground) state of quantum dots is resonantly pumped, a "non-degenerate" biexciton composed of an n=1 and n=2(excited) states-pair may be observed with pump-probe spectroscopy. We observed this resonance and measured 15-meV binding energy in In_0.4Ga _0.6As self-organized quantum dots, consistent with theoretical calculations.

Original language	English
Pages (from-to)	669-670
Number of pages	2
Journal	OSA Trends in Optics and Photonics Series
Volume	97
Publication status	Published - 2004
Event	International Quantum Electronics Conference, IQEC - San Francisco, CA, United States Duration: 2004 May 21 → 2004 May 26

All Science Journal Classification (ASJC) codes

Engineering(all)

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abstract = "When the n=1 (ground) state of quantum dots is resonantly pumped, a {"}non-degenerate{"} biexciton composed of an n=1 and n=2(excited) states-pair may be observed with pump-probe spectroscopy. We observed this resonance and measured 15-meV binding energy in In0.4Ga 0.6As self-organized quantum dots, consistent with theoretical calculations.",

author = "K. Kim and J. Singh and P. Bhattacharya and Norris, {T. B.} and U. Hohenester",

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T1 - Red shift of the excited state due to a non-degenerate biexciton in self-organized quantum dots

AU - Kim, K.

AU - Singh, J.

AU - Bhattacharya, P.

AU - Norris, T. B.

AU - Hohenester, U.

PY - 2004

Y1 - 2004

N2 - When the n=1 (ground) state of quantum dots is resonantly pumped, a "non-degenerate" biexciton composed of an n=1 and n=2(excited) states-pair may be observed with pump-probe spectroscopy. We observed this resonance and measured 15-meV binding energy in In0.4Ga 0.6As self-organized quantum dots, consistent with theoretical calculations.

AB - When the n=1 (ground) state of quantum dots is resonantly pumped, a "non-degenerate" biexciton composed of an n=1 and n=2(excited) states-pair may be observed with pump-probe spectroscopy. We observed this resonance and measured 15-meV binding energy in In0.4Ga 0.6As self-organized quantum dots, consistent with theoretical calculations.

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UR - http://www.scopus.com/inward/citedby.url?scp=33645240469&partnerID=8YFLogxK

M3 - Conference article

AN - SCOPUS:33645240469

VL - 97

SP - 669

EP - 670

JO - OSA Trends in Optics and Photonics Series

JF - OSA Trends in Optics and Photonics Series

SN - 1094-5695

T2 - International Quantum Electronics Conference, IQEC

Y2 - 21 May 2004 through 26 May 2004

ER -