Polarization degenerate solid-state cavity quantum electrodynamics

Bakker, Morten P.; Barve, Ajit V.; Ruytenberg, Thomas; Löffler, W.; Coldren, L.A.; Bouwmeester, Dirk; Exter, M. P. van

doi:10.1103/physrevb.91.115319

Cited by 20 publications

(16 citation statements)

References 37 publications

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“…The two signals are combined using a FBS and the interference signal (I ∝ jE 1 E 2 j 2 ) is recorded. The sample under study is an oxide-apertured micropillar with embedded InAs self-assembled QDs, a system that combines QD charge and energy control, access to the intermediate coupling regime, and polarization degenerate cavity modes [16][17][18][19][20][21]. Access to the full polarization degree of freedom enables us to use free-space polarizing optics (Pol1 and Pol2) to set the input and output polarizations.…”

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confidence: 99%

Homodyne detection of coherence and phase shift of a quantum dot in a cavity

et al. 2015

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A homodyne measurement technique is demonstrated that enables direct observation of the coherence and phase of light that passed through a coupled quantum dot (QD)-microcavity system, which in turn enables clear identification of coherent and incoherent QD transitions. As an example, we study the effect of power-induced decoherence, where the QD transition saturates and incoherent emission from the excited state dominates at higher power. Further, we show that the same technique allows measurement of the quantum phase shift induced by a single QD in the cavity, which is strongly enhanced by cavity quantum electrodynamics effects.

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confidence: 99%

Homodyne detection of coherence and phase shift of a quantum dot in a cavity

et al. 2015

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“…Oxide aperture cavities are a lot like micropillar resonators with the difference that the pillar has a larger diameter of

\approx 30 μ

m . However, the mode is confined to a diameter similar to micropillars using an oxide aperture above the QD layer resulting in comparable Purcell factors

F_{P} \approx 2 - 11

.…”

Section: Single Photonsmentioning

confidence: 99%

Generation of Non‐Classical Light Using Semiconductor Quantum Dots

et al. 2019

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Sources of non‐classical light are of paramount importance for future applications in quantum science and technology such as quantum communication, quantum computation and simulation, quantum sensing, and quantum metrology. This Review is focused on the fundamentals and recent progress in the generation of single photons, entangled photon pairs, and photonic cluster states using semiconductor quantum dots. Specific fundamentals which are discussed are a detailed quantum description of light, properties of semiconductor quantum dots, and light–matter interactions. This includes a framework for the dynamic modeling of non‐classical light generation and two‐photon interference. Recent progress is discussed in the generation of non‐classical light for off‐chip applications as well as implementations for scalable on‐chip integration.

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“…The rich optical response of quantum dots inside nanocavity includes nonlinearities 36 and non-trivial emission spectra 37,38 . Several groups concentrate efforts on developing applications of QD-cavity setup as quantum light emitters [39][40][41][42][43] , exploring quantum dynamics in a similar way of successful procedures for production of quantum states of light in atomic CQED 44 .…”

Section: Introductionmentioning

confidence: 99%

Coherent control of the dynamics of a single quantum-dot exciton qubit in a cavity

2017

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In this work we demonstrate theoretically how to use external laser field to control the population inversion of a single quantum dot exciton qubit in a nanocavity. We consider the Jaynes-Cummings model to describe the system, and the incoherent losses were take into account by using Lindblad operators. We have demonstrated how to prepare the initial state in a superposition of the exciton in the ground state and the cavity in a coherent state. The effects of exciton-cavity detuning, the laser-cavity detunings, the pulse area and losses over the qubit dynamics are analyzed. We also show how to use a continuous laser pumping in resonance with the cavity mode to sustain a coherent state inside the cavity, providing some protection to the qubit against cavity loss.

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Polarization degenerate solid-state cavity quantum electrodynamics

Cited by 20 publications

References 37 publications

Homodyne detection of coherence and phase shift of a quantum dot in a cavity

Homodyne detection of coherence and phase shift of a quantum dot in a cavity

Generation of Non‐Classical Light Using Semiconductor Quantum Dots

Coherent control of the dynamics of a single quantum-dot exciton qubit in a cavity

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