Observation of a long-range interaction between semiconductor quantum dots

E.W. Bogaart; J.E.M. Haverkort; R. Nötzel

Observation of a long-range interaction between semiconductor quantum dots

E.W. Bogaart, J.E.M. Haverkort, R. Nötzel

Photonics and Semiconductor Nanophysics

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Abstract

We demonstrate electromagnetic interaction between distant quantum dots (QDs), as is obsd. from transient pump-probe differential reflectivity measurements. The QD-exciton lifetime is measured as a function of the probe photon energy and shows a strong resonant behavior with respect to the QD d. of states. The obsd. exciton lifetime spectrum reveals a subradiance-like coupling between the QD, with a 12 times enhancement of the lifetime at the center of the ground state transition. This effect is due to a mutual electromagnetic coupling between resonant QDs, which extends over distances considerably beyond the nearest neighbor QD-QD sepn. [on SciFinder (R)]

Original language	English
Title of host publication	Los Alamos National Laboratory
Place of Publication	Condensed Matter
Pages	1-2, arXiv
Publication status	Published - 2006

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title = "Observation of a long-range interaction between semiconductor quantum dots",

abstract = "We demonstrate electromagnetic interaction between distant quantum dots (QDs), as is obsd. from transient pump-probe differential reflectivity measurements. The QD-exciton lifetime is measured as a function of the probe photon energy and shows a strong resonant behavior with respect to the QD d. of states. The obsd. exciton lifetime spectrum reveals a subradiance-like coupling between the QD, with a 12 times enhancement of the lifetime at the center of the ground state transition. This effect is due to a mutual electromagnetic coupling between resonant QDs, which extends over distances considerably beyond the nearest neighbor QD-QD sepn. [on SciFinder (R)]",

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year = "2006",

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T1 - Observation of a long-range interaction between semiconductor quantum dots

AU - Bogaart, E.W.

AU - Haverkort, J.E.M.

AU - Nötzel, R.

PY - 2006

Y1 - 2006

N2 - We demonstrate electromagnetic interaction between distant quantum dots (QDs), as is obsd. from transient pump-probe differential reflectivity measurements. The QD-exciton lifetime is measured as a function of the probe photon energy and shows a strong resonant behavior with respect to the QD d. of states. The obsd. exciton lifetime spectrum reveals a subradiance-like coupling between the QD, with a 12 times enhancement of the lifetime at the center of the ground state transition. This effect is due to a mutual electromagnetic coupling between resonant QDs, which extends over distances considerably beyond the nearest neighbor QD-QD sepn. [on SciFinder (R)]

AB - We demonstrate electromagnetic interaction between distant quantum dots (QDs), as is obsd. from transient pump-probe differential reflectivity measurements. The QD-exciton lifetime is measured as a function of the probe photon energy and shows a strong resonant behavior with respect to the QD d. of states. The obsd. exciton lifetime spectrum reveals a subradiance-like coupling between the QD, with a 12 times enhancement of the lifetime at the center of the ground state transition. This effect is due to a mutual electromagnetic coupling between resonant QDs, which extends over distances considerably beyond the nearest neighbor QD-QD sepn. [on SciFinder (R)]

M3 - Conference contribution

SP - 1-2, arXiv

BT - Los Alamos National Laboratory

CY - Condensed Matter

ER -

Observation of a long-range interaction between semiconductor quantum dots

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