Exciton‐polaritons and nanoscale cavities in photonic crystal slabs

Andreani, Lucio Claudio; Gerace, Dario; Agio, Mario

doi:10.1002/pssb.200560970

Cited by 19 publications

(12 citation statements)

References 52 publications

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“…From the full-width at half-maximum of our cavity peak (inset of figure 2a) we measure  c  = 160 μeV and  x  = 78 μeV for the single QD with some uncertainty attached to  γ x due to the limited resolution of our spectrometer. We usually have  c  >> γ x , besides for the vacuum Rabi , as similarly found for the L3 type cavity [16]. The Rabi splitting measured in this work is about 70 % of the 200 µeV predicted for Q = 8000.…”

supporting

confidence: 82%

Strongly coupled single quantum dot in a photonic crystal waveguide cavity

Brossard¹,

Xl²,

Williams³

et al. 2011

AIP Conference Proceedings

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*These authors contributed equally to this work. AbstractCavities embedded in photonic crystal waveguides offer a promising route towards large scale integration of coupled resonators for quantum electrodynamics applications. In this letter, we demonstrate a strongly coupled system formed by a single quantum dot and such a photonic crystal cavity. The resonance originating from the cavity is clearly identified from the photoluminescence mapping of the out-of-plane scattered signal along the photonic crystal waveguide. The quantum dot exciton is tuned towards the cavity mode by temperature control. A vacuum Rabi splitting of ~ 140 μeV is observed at resonance.

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supporting

confidence: 82%

Strongly coupled single quantum dot in a photonic crystal waveguide cavity

Brossard¹,

Xl²,

Williams³

et al. 2011

AIP Conference Proceedings

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“…It is out of the scope of the paper to perform a calculation of the QW electronic structure. This particular expression for describing the ground state of the exciton resonance of a QW (also known as 1 s exciton) has been employed successfully for describing the polariton dispersion in photonic crystals [14] and, very recently, by Liscidini et al in studying guided Bloch surface wave polaritons [15].…”

Section: A Model Detailsmentioning

confidence: 98%

“…We have adopted here a semi-classical approach, where the coupling between the QW and the PCM is accounted for implicitly by describing the fundamental exciton resonance as a Lorentzian medium (full details are presented in Section 2) [10][11][12][13][14][15]. The phenomenology to be presented responds to a dynamic or AC Stark effect, i.e., the effect of a rapidly varying field on a two-state system.…”

Section: Introductionmentioning

confidence: 99%

Analysis of the strong coupling regime of a quantum well in a photonic crystal microcavity and its polarization dependence studied by the finite-difference time-domain method

et al. 2013

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We provide a methodology for the study of a photonic crystal microcavity and a quantum well (QW) in the strong coupling regime by finite difference in the time domain. Numerical results for an InP L7 photonic crystal microcavity coupled to an ideal QW are provided. A comparison of the time analysis processed by the discrete Fourier transform, the Padé approximant, and harmonic inversion is presented to optimize the computation time. We present a method to solve the uncertainty of the frequency spectrum depending on the starting time used in the spectral analysis. The influence of polarization anisotropy on strong coupling is studied. The Rabi splitting is exactly zero only when the induced polarization in the QW is aligned with a field component incompatible with the symmetry of the mode.

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“…18 Shirane et al 17 reported a single defect or L1 nanocavities based on a triangular lattice GaAs photonic-crystal membrane with mode volume of V = 0.039 m 3 and a Q of17 000. The expressions for the probability amplitudes are strength involving a heavy hole electron, ⍀ 1/2 2 = ⌬ 2 +4g 1/2v,1/2c 2 with g 1/2v,1/2c being the coupling strength involving a light hole electron, with g 3/2v,1/2c = ͱ 3g 1/2v,1/2c , and ⌬ = − ph being the detuning frequency.…”

Section: A Designmentioning

confidence: 99%

Single-photon Mach–Zehnder interferometer for quantum networks based on the single-photon Faraday effect

Seigneur

Schoenfeld

2008

Journal of Applied Physics

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Articles you may be interested inSingle-mode quantum cascade lasers employing asymmetric Mach-Zehnder interferometer type cavities Combining the recent progress in semiconductor nanostructures along with the versatility of photonic crystals in confining and manipulating light, quantum networks allow for the prospect of an integrated and low power quantum technology. Within quantum networks, which consist of a system of waveguides and nanocavities with embedded quantum dots, it has been demonstrated in theory that many-qubit states stored in electron spins could be teleported from one quantum dot to another via a single photon using the single-photon Faraday effect. However, in addition to being able to transfer quantum information from one location to another, quantum networks need added functionality such as ͑1͒ controlling the flow of the quantum information and ͑2͒ performing specific operations on qubits that can be easily integrated. In this paper, we show how a single-photon Mach-Zehnder interferometer ͑SMZI͒, that uses the concept of the single-photon Faraday effect to manipulate the polarization of a single photon, can be operated both as a switch to control the flow of quantum information inside the quantum network and as various single-qubit quantum gates to perform operations on a single photon. Given that the X gate, the Z gate, and the XZ gate are essential for the implementation of quantum teleportation, we show explicitly their implementation by means of our proposed SMZI. We also present the implementation of the Hadamard gate and the single-qubit phase gate, which are needed to complete the universal set of quantum gates for integrated quantum computing in a quantum network. Finally, the expected fidelity and robustness of the proposed SMZI are quantitatively explored by considering the phase errors within the SMZI.

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Exciton‐polaritons and nanoscale cavities in photonic crystal slabs

Cited by 19 publications

References 52 publications

Strongly coupled single quantum dot in a photonic crystal waveguide cavity

Strongly coupled single quantum dot in a photonic crystal waveguide cavity

Analysis of the strong coupling regime of a quantum well in a photonic crystal microcavity and its polarization dependence studied by the finite-difference time-domain method

Single-photon Mach–Zehnder interferometer for quantum networks based on the single-photon Faraday effect

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