Optical bistability in semiconductor microcavities

Baas, Augustin; Karr, Jean‐Philippe; Eleuch, Hichem; Giacobino, E.

doi:10.1103/physreva.69.023809

Cited by 375 publications

(392 citation statements)

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“…Photon antibunching and squeezing were theoretically predicted and experimentally demonstrated in pioneering resonance fluorescence experiments [4][5][6][7] . In strong contrast, despite several theoretical proposals 8,9 , the continuous variables regime has seen so far only very few experimental achievements [10][11][12] of squeezed states of light in semiconductor materials.…”

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confidence: 99%

“…Especially interesting is the case of degenerate polariton four-wave mixing in which the strong nonlinearities originating in the polaritonpolariton interactions allow describing the polariton system as an effective Kerr medium whose refractive index depends on the light intensity 12,27,28 . Kerr media are well known to be very efficient sources of quadrature-squeezed light.…”

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Polariton-generated intensity squeezing in semiconductor micropillars

et al. 2014

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The generation of squeezed and entangled light fields is a crucial ingredient for the implementation of quantum information protocols. In this context, semiconductor materials offer a strong potential for the implementation of on-chip devices operating at the quantum level. Here we demonstrate a novel source of continuous variable squeezed light in pillarshaped semiconductor microcavities in the strong coupling regime. Degenerate polariton four-wave mixing is obtained by exciting the pillar at normal incidence. We observe a bistable behaviour and we demonstrate the generation of squeezing near the turning point of the bistability curve. The confined pillar geometry allows for a larger amount of squeezing than planar microcavities due to the discrete energy levels protected from excess noise. By analysing the noise of the emitted light, we obtain a measured intensity squeezing of 20.3%, inferred to be 35.8% after corrections.

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Polariton-generated intensity squeezing in semiconductor micropillars

et al. 2014

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“…The effect of electromagnetically induced transparency (EIT) has led to many interesting nonlinear optical phenomena. Two interesting nonlinear optical phenomenon, which has been studied in the recent years in the atomic media are Kerr nonlinearity [10,11,12,13]and optical bistability [14,15,16,17]. It is shown that a large Kerr nonlinearity with reduced probe absorption causes the nonlinear optics to be studied at low light power [18,19].…”

Section: Introductionmentioning

confidence: 99%

Controllable Kerr Nonlinearity via Incoherent Pump Fields in Semiconductor Quantum Wells

Hamedi¹,

Sahrai²,

Tajalli³

2013

Quant. Phys. Lett.

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Abstract:A theoretical investigation is carried out into the impact of incoherent pumping fields and quantum interference induced by incoherent pumping fields on the Kerr nonlinearity in a three-level asymmetric semiconductor quantum well system. It is found that Kerr nonlinearity is so sensitive to the rate of incoherent pumping fields, but insensitive to the quantum interference induced by incoherent pumping fields. In addition, it is demonstrated that an enhanced Kerr nonlinearity with reduced absorption can be achieved just via the strength of Fano-type interference and without applying any coherent laser field. The obtained results are very different from the conventional schemes which coherent coupling fields are used to control the Kerr nonlinearity. This advantages make our electronic medium much more practical than its atomic counterpart due to its flexible design and the controllable interference strength.

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“…[8][9][10][11][12][13] The theory of this effect was developed within the framework of different mean-field models based either on equations for the polariton occupation number, 9 where the fractions of excitons and cavity photons are connected through the Hopfield coefficients, 14 or on coupled equations for excitons and photons. 15 The bistability of coherent spin ensembles described in the two-mode approximation by the spinor Gross-Pitaevskii equation with an external pump has been reported too.…”

Section: Introductionmentioning

confidence: 99%

Compactons and bistability in exciton-polariton condensates

Kartashov

Torner

2012

Phys. Rev. B

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We address stationary patterns in exciton-polariton condensates supported by a narrow external pump beam, and we discover that even in the absence of trapping potentials, such condensates may support stable localized stationary dissipative solutions (quasicompactons), whose field decays faster than exponentially or even vanishes everywhere outside the pump spot. More general conditions lead to dissipative solitons which may display bistability. The bistability in exciton-polariton condensates, which manifests itself in the simultaneous existence of two stable and one unstable localized solitons with different amplitudes, widths, and exciton-photon fractions under the same physical conditions, strongly depends on the width of the pump beam and is found to disappear for sufficiently narrow pump beams.

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Optical bistability in semiconductor microcavities

Cited by 375 publications

References 20 publications

Polariton-generated intensity squeezing in semiconductor micropillars

Polariton-generated intensity squeezing in semiconductor micropillars

Controllable Kerr Nonlinearity via Incoherent Pump Fields in Semiconductor Quantum Wells

Compactons and bistability in exciton-polariton condensates

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