Strong Coupling of Quantum Dots in Microcavities

Laussy, Fabrice P.; Valle, Elena del; Tejedor, C.

doi:10.1103/physrevlett.101.083601

Cited by 166 publications

(184 citation statements)

References 13 publications

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“…Although this phenomenon is quantum mechanical, the Rabi splitting between the two modes and their widths can be obtained using a simple classical model of two damped harmonic oscillators [11]. The criterion for observing the Rabi splitting between one emitter and one mode is given by [11][12][13]:…”

Section: Introductionmentioning

confidence: 99%

Strong coupling of two quantum emitters to a single light mode: The dissipative Tavis-Cummings ladder

Quesada

2012

Phys. Rev. A

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A criterion for strong coupling between two quantum emitters and a single resonant light mode in a cavity is presented. The criterion takes into account the escape of cavity photons and the spontaneous emission of the emitters, which are modeled as two level systems. By using such criterion, the dissipative Tavis-Cummings ladder of states is constructed, and it is shown that the inclusion of one more emitter with respect to the Jaynes-Cummings (single emitter) case increases the effective parameter region in which n th order Rabi splitting is observed.

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Section: Introductionmentioning

confidence: 99%

Strong coupling of two quantum emitters to a single light mode: The dissipative Tavis-Cummings ladder

Quesada

2012

Phys. Rev. A

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“…This assumption is subjected to existence of well separated energy modes in the cavity we are considering. This assumptions are the ones usually considered in most theoretical work [11,12,17,18].…”

Section: Theoretical Backgroundmentioning

confidence: 99%

“…Since the effects of the excitonic pumping have been extensively studied in [12,13,14] in this section we only study the effects of the polaritonic pumping in the emission spectrum of the system. To do so we write the equations of motion of the variables in equation (8) as:…”

Section: Emission Spectrummentioning

confidence: 99%

“…They also discuss the difficulties involved in determining the strong coupling (SC) regime mainly because the broadening of the spectral lines hinders the well known anti-crossing characteristic feature. The determination of a clear signature of the strong coupling regime motivated several recent theoretical works [12,13,14]. The above paragraph highlights the importance of studying the role of the incoherent pumping in the determination of the dynamical regimes in the system.…”

Section: Introductionmentioning

confidence: 99%

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Density operator of a system pumped with polaritons: a Jaynes–Cummings-like approach

Quesada¹,

Vinck-Posada²,

Rodríguez³

2010

J. Phys.: Condens. Matter

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Abstract. We investigate the effects of considering two different incoherent pumpings over a microcavity-quantum dot system modelled using the JaynesCummings Hamiltonian. When the system is incoherently pumped with polaritons it is able to sustain a large number of photons inside the cavity with Poisson-like statistics in the stationary limit, and also leads to a separable exciton-photon state. We also investigate the effects of both types of pumpings (Excitonic and Polaritonic) in the emission spectrum of the cavity. We show that the polaritonic pumping as considered here is unable to modify the dynamical regimes of the system as the excitonics pumping does. Finally, we obtain a closed form expression for the negativity of the density matrices that the quantum master equation considered here generates.

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“…However, recent advances in nanotechnology have led to the possibility of creating high-finesse optical cavities and have resulted in the observation of Rabi doublets and Mollow triplets in the emission spectrum of individual QDs. [4][5][6] Moreover, the strong coupling of a single photon to a superconducting qubit, which has a two-level structure as well, has been demonstrated in a radio-wave superconducting cavity. 7 To increase light-matter coupling, quantum wells (QWs) can be used instead of individual QDs.…”

Section: Introductionmentioning

confidence: 99%

One-dimensional Van Hove polaritons

et al. 2013

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We study the light-matter coupling of microcavity photons and an interband transition in a one-dimensional (1D) nanowire. Due to the Van Hove singularity in the density of states, resulting in a resonant character of the absorption line, the achievement of strong coupling becomes possible even without the formation of a bound state of an electron and a hole. The calculated absorption in the system and corresponding energy spectrum reveal anticrossing behavior characteristic of the formation of polariton modes. In contrast to the case of conventional exciton polaritons, the formation of 1D Van Hove polaritons will not be restricted to low temperatures and can be realized in any system with a singularity in the density of states.

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Strong Coupling of Quantum Dots in Microcavities

Cited by 166 publications

References 13 publications

Strong coupling of two quantum emitters to a single light mode: The dissipative Tavis-Cummings ladder

Strong coupling of two quantum emitters to a single light mode: The dissipative Tavis-Cummings ladder

Density operator of a system pumped with polaritons: a Jaynes–Cummings-like approach

One-dimensional Van Hove polaritons

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