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Solid-State Cavity Quantum Electrodynamics Using Quantum Dots

100%

Gérard J., Gayral B., Moreau E., Robert I., Abram I.

Acta Physica Polonica A

2001

vol. 100

issue 2

129-143

We review the recent development of solid-state cavity quantum electrodynamics using single self-assembled InAs quantum dots and three-dimensional semiconductor microcavities. We discuss first prospects for observing a strong coupling regime for single quantum dots. We then demonstrate that the strong Purcell effect observed for single quantum dots in the weak coupling regime allows us to prepare emitted photons in a given state (the same spatial mode, the same polarization). We present finally the first single-mode solid-state source of single photons, based on an isolated quantum dot in a pillar microcavity. This optoelectronic device, the first ever to rely on a cavity quantum electrodynamics effect, exploits both Coulomb interaction between trapped carriers in a single quantum dot and single mode photon funneling by the microcavity.

Photon Correlations and Cross-Correlations from a Single CdTe/ZnTe Quantum Dot

73%

Couteau C., Moehl S., Suffczyński J., Gaj J., Tinjod F., Gérard J., Kheng K., Mariette H., Romestain R., Poizat J.

Acta Physica Polonica A

2004

vol. 106

issue 2

169-176

We report correlation and cross-correlation continuous wave measurements in II-VI quantum dots grown by molecular beam epitaxy. Combination of spectral selection, saturation measurements and good temporal resolution allowed us to see an antibunching effect on photons from radiative recombination of excitons in a single CdTe/ZnTe quantum dot, as well as cross-correlation within the biexciton (X_{2})-exciton (X) radiative cascade from the same dot. We discuss the results of our experiments in terms of a model of excitonic multitransitions.

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2 Acta Physica Polonica A

1 2004

1 2001

2 Gérard J.

1 Abram I.

1 Couteau C.

1 Gaj J.

1 Gayral B.

1 Kheng K.

1 Mariette H.

1 Moehl S.

1 Moreau E.

1 Poizat J.

1 Robert I.

1 Romestain R.

1 Suffczyński J.

1 Tinjod F.

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Solid-State Cavity Quantum Electrodynamics Using Quantum Dots

Photon Correlations and Cross-Correlations from a Single CdTe/ZnTe Quantum Dot