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Related papers: Influence of Pure Dephasing on Emission Spectra fr…

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We analytically derive the quantum state of a single-photon pulse scattered from a single quantum two-level emitter interacting with a vibrational bath. This solution for the quadripartite system enables an information-theoretic…

Quantum Physics · Physics 2025-12-18 Sourav Das , Aiman Khan , Elnaz Darsheshdar , Francesco Albarelli , Animesh Datta

We study the fundamental limit on single-photon indistinguishability imposed by decoherence due to phonon interactions in semiconductor quantum dot-cavity QED systems. Employing an exact diagonalization approach we find large differences…

Mesoscale and Nanoscale Physics · Physics 2015-03-20 P. Kaer , P. Lodahl , A. -P. Jauho , J. Mork

We investigate the measurement-induced dephasing of a qubit coupled with a single-mode cavity in the vacuum limit. Dephasing of the qubit state takes place through the ntanglement of the qubit and the single probe photon sent to the cavity,…

Mesoscale and Nanoscale Physics · Physics 2014-07-09 Young-Wan Kim , Kang-Ho Lee , Kicheon Kang

We study the photon shot noise dephasing of a superconducting transmon qubit in the strong-dispersive limit, due to the coupling of the qubit to its readout cavity. As each random arrival or departure of a photon is expected to completely…

The elastic scattering peak of a resonantly driven two-level system has been argued to provide narrow-linewidth antibunched photons. Although independent measurements of spectral width on the one hand and antibunching on the other hand do…

One of the most common approaches for coupling optical single-photon sources and photonic integrated circuits is to use a cavity. The cavity acts as a spectral filter that distorts the light spectrum and changes its statistical properties.…

Quantum Physics · Physics 2026-05-15 Ivan V. Panyukov , Evgeny S. Andrianov

We study the optical emission from single semiconductor quantum dots coupled to the optical modes of photonic crystal nanocavities. For dots that are both spectrally and spatially coupled, auto-correlation measurements reveal efficient…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 M. Kaniber , A. Laucht , A. Neumann , J. M. Villas-Boas , M. Bichler , M. -C. Amann , J. J. Finley

We consider the effect of dephasing on a quantum dot which injects single electrons on a chiral edge channel of the quantum Hall effect. Dephasing is described by the coupling of the dot to a bosonic bath which represents the…

Mesoscale and Nanoscale Physics · Physics 2014-06-02 Eiki Iyoda , Takeo Kato , Kazuki Koshino , Thierry Martin

The emission properties of single quantum dots in planar microcavities are studied experimentally and theoretically. Fivefold Enhanced spontaneous emission outside the microcavity is found for dots in resonance with the cavity mode,…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 G. Ramon , U. Mizrahi , N. Akopian , S. Braitbart , D. Gershoni , T. L. Reinecke , B. Gerardot , P. M. Petroff

Annual Review of Astronomy and Astrophysics, Volume 51, page 511e studied for coherently driven single photon sources, such as atoms and quantum dots. Maximal squeezing is realized, if the electronic subsystem of the emitter is in a pure…

Quantum Physics · Physics 2013-08-30 P. Grünwald , W. Vogel

We calculate the photon emission of a high finesse cavity moving in vacuum. The cavity is treated as an open system. The field initially in the vacuum state accumulates a dephasing depending on the mirrors motion when bouncing back and…

Quantum Physics · Physics 2009-10-31 A. Lambrecht , M. T. Jaekel , S. Reynaud

The quantum coherence of electrons can be probed by studying weak localization corrections to the conductivity. Interaction effects lead to dephasing, with electron-electron interactions being the important intrinsic mechanism. A…

Condensed Matter · Physics 2007-05-23 D. S. Golubev , A. D. Zaikin , Gerd Schön

Using femtosecond pump-probe spectroscopy, we identify excitation induced dephasing as a major mechanism responsible for the breaking of the strong-coupling between excitons and photons in a semiconductor microcavity. The effects of…

We investigate the quantum optical properties of a single photon emitter coupled to a finite-size metal nanoparticle using a photon Green function technique that rigorously quantizes the electromagnetic fields. We first obtain pronounced…

Mesoscale and Nanoscale Physics · Physics 2012-02-07 C. Van Vlack , Philip Trøst Kristensen , S. Hughes

We investigate the coupling between an ensemble of individual emitters and multiple photons in a high-$Q$ cavity at the mesoscopic excitation level. The master equation theory is used to calculate the emission spectrum of the cavity QED…

Mesoscale and Nanoscale Physics · Physics 2025-01-14 Chenjiang Qian , Viviana Villafañe , Pedro Soubelet , Andreas V. Stier , Jonathan J. Finley

We measure the dynamics of a non-classical optical field using two-time second-order correlations in conjunction with pulsed excitation. The technique quantifies single-photon purity and coherence during the excitation-decay cycle of an…

Quantum Physics · Physics 2015-05-25 Edward B. Flagg , Sergey V. Polyakov , Tim Thomay , Glenn S. Solomon

We investigate the power-dependent photoluminescence spectra from a strongly coupled quantum dot-cavity system using a quantum master equation technique that accounts for incoherent pumping, pure dephasing, and fermion or boson statistics.…

Mesoscale and Nanoscale Physics · Physics 2013-05-31 P. Yao , P. K. Pathak , E. Illes , S. Hughes , S. Munch , S. Reitzenstein , P. Franeck , A. Loffler , T. Heindel , S. Höfling , L. Worschech , A. Forchel

Detailed properties of resonance fluorescence from a single quantum dot in a micropillar cavity are investigated, with particular focus on emission coherence in dependence on optical driving field power and detuning. Power-dependent series…

Mesoscale and Nanoscale Physics · Physics 2013-03-08 S. M. Ulrich , S. Ates , S. Reitzenstein , A. Löffler , A. Forchel , P. Michler

We investigate the emission properties of a single semiconductor quantum dot deterministically coupled to a confined optical mode in the weak coupling regime. A strong pulling, broadening and narrowing of the cavity mode emission is…

We investigate the dynamics of single- and multi-photon emission from detuned strongly coupled systems based on the quantum-dot-photonic-crystal resonator platform. Transmitting light through such systems can generate a range of…