Strong-coupling regime in pillar semiconductor microcavities

Bloch, J.; Planel, R.; Thierry‐Mieg, V.; Gérard, Jean‐Michel; Barrier, D.; Marzin, J. Y.; Costard, E.

doi:10.1006/spmi.1996.0317

Cited by 44 publications

(26 citation statements)

References 11 publications

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“…We consider the system of a semiconductor micropillar [44,45,46] with a double quantum well embedded in the antinode of the optical resonator [ Fig. 1(a)].…”

Section: Modelmentioning

confidence: 99%

Tunable single-photon emission from dipolaritons

2014

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Abstract. We study a system comprising of a double quantum well embedded in a micropillar optical cavity, where strong coupling between a direct exciton, indirect exciton, and cavity photon is achieved. We show that the resulting hybrid quasiparticles -dipolaritons -can induce strong photon correlations and lead to anti-bunched behaviour of the cavity output field. The origin of the observed single photon emission is attributed to unconventional photon blockade. Moreover, we find that the second-order equal time correlation function g (2) (0) can be tuned over a large range using an electric field applied to the structure, or changing the frequency of the pump. This allows for an on-the-flight control of cavity output properties, and is important for the future generation of tunable single photon emission sources.

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“…We consider the system of a semiconductor micropillar [44,45,46] with a double quantum well embedded in the antinode of the optical resonator [ Fig. 1(a)].…”

Section: Modelmentioning

confidence: 99%

Tunable single-photon emission from dipolaritons

2014

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“…[15][16][17] Attempts to produce spatially confined polariton states, in the past, have been made by etching micropillars 18,19 of a few m in diameter from an initially planar MC. [20][21][22][23] These structures have in general proved able of producing lateral confinement of polariton modes. However, they tend to display strong coupling only in the limit of very small diameter, 20,21 typically in the 1 to 2 m range.…”

Section: Introductionmentioning

confidence: 99%

“…[20][21][22][23] These structures have in general proved able of producing lateral confinement of polariton modes. However, they tend to display strong coupling only in the limit of very small diameter, 20,21 typically in the 1 to 2 m range. Sometimes the spectral signature of the upper polariton-needed as a proof of the formation of polaritons as normal modes of the linear exciton-photon coupling-is completely absent.…”

Section: Introductionmentioning

confidence: 99%

Engineering the spatial confinement of exciton polaritons in semiconductors

et al. 2006

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We demonstrate three-dimensional spatial confinement of exciton-polaritons in a semiconductor microcavity. Polaritons are confined within a micron-sized region of slightly larger cavity thickness, called mesa, through lateral trapping of their photon component. This results in a shallow potential well that allows the simultaneous existence of extended states above the barrier. Photoluminescence spectra were measured as a function of either the emission angle or the position on the sample. Striking signatures of confined states of lower and upper polaritons, together with the corresponding extended states at higher energy, were found. In particular, the confined states appear only within the mesa region, and are characterized by a discrete energy spectrum and a broad angular pattern. A theoretical model of polariton states, based on a realistic description of the confined photon modes, supports our observations.

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“…In the polariton case, there exist several techniques of the potential profile engineering. It can be embedded either optically [28,29], electrically [30] or mechanically, by etching the microcavity [31,32]. Recently, a long-awaited experimental demonstration of the control of polariton tunneling through the double barrier structure [33] was reported.…”

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confidence: 99%

An exciton-polariton mediated all-optical router

Flayac

Savenko

2013

Applied Physics Letters

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We propose an all-optical nonlinear router based on a double barrier gate connected to periodically modulated guides. A semiconductor microcavity is driven nonresonantly in-between the barriers to form an exciton-polariton condensate on a discrete state that is subject to the exciton blueshift. The subsequent coherent optical signal is allowed to propagate through a guide provided that the condensate energy is resonant with a miniband or is blocked if it faces a gap. While a symmetric sample operates as an optical switch, its asymmetric counterpart embodies a router turned to be polarization selective under applied magnetic field.

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Strong-coupling regime in pillar semiconductor microcavities

Cited by 44 publications

References 11 publications

Tunable single-photon emission from dipolaritons

Tunable single-photon emission from dipolaritons

Engineering the spatial confinement of exciton polaritons in semiconductors

An exciton-polariton mediated all-optical router

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