Search Results - "Cygorek, M"

Emission-Frequency Separated High Quality Single-Photon Sources Enabled by Phonons by Cosacchi, M, Ungar, F, Cygorek, M, Vagov, A, Axt, V M

“…We demonstrate theoretically that the single-photon purity of photons emitted from a quantum dot exciton prepared by phonon-assisted off-resonant excitation…”
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Phonon-Induced Enhancement of Photon Entanglement in Quantum Dot-Cavity Systems by Seidelmann, T., Ungar, F., Barth, A. M., Vagov, A., Axt, V. M., Cygorek, M., Kuhn, T.

“…We report on simulations of the degree of polarization entanglement of photon pairs simultaneously emitted from a quantum dot-cavity system that demand…”
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Coherent Dynamics in Quantum Emitters under Dichromatic Excitation by Koong, Z X, Scerri, E, Rambach, M, Cygorek, M, Brotons-Gisbert, M, Picard, R, Ma, Y, Park, S I, Song, J D, Gauger, E M, Gerardot, B D

“…We characterize the coherent dynamics of a two-level quantum emitter driven by a pair of symmetrically detuned phase-locked pulses. The promise of dichromatic…”
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Accuracy of the Quantum Regression Theorem for Photon Emission from a Quantum Dot by Cosacchi, M, Seidelmann, T, Cygorek, M, Vagov, A, Reiter, D E, Axt, V M

“…The quantum regression theorem (QRT) is the most widely used tool for calculating multitime correlation functions for the assessment of quantum emitters. It is…”
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Time-dependent switching of the photon entanglement type using a driven quantum emitter–cavity system by Seidelmann, T., Reiter, D. E., Cosacchi, M., Cygorek, M., Vagov, A., Axt, V. M.

“…The cascaded decay in a four-level quantum emitter is a well-established mechanism to generate polarization-entangled photon pairs, the building blocks of many…”
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Erratum: Accuracy of the Quantum Regression Theorem for Photon Emission from a Quantum Dot [Phys. Rev. Lett. 127, 100402 (2021)] by Cosacchi, M, Seidelmann, T, Cygorek, M, Vagov, A, Reiter, D E, Axt, V M

“…This corrects the article DOI: 10.1103/PhysRevLett.127.100402…”
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Role of polaron dressing in superradiant emission dynamics by Wiercinski, J., Cygorek, M., Gauger, E. M.

“…Cooperative effects of multiple quantum emitters are characterized by transitions via delocalized collective states with altered emission properties due to the…”
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Phonon coupling versus pure dephasing in the photon statistics of cooperative emitters by Wiercinski, J., Gauger, E. M., Cygorek, M.

“…Realizing scalable quantum networks requires a meticulous level of understanding and mitigating the deleterious effects of decoherence. Many quantum device…”
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Insensitivity of spin dynamics to the orbital angular momentum transferred from twisted light to extended semiconductors by Cygorek, M., Tamborenea, P. I., Axt, V. M.

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Ultrafast spin dynamics in II-VI diluted magnetic semiconductors with spin-orbit interaction by Ungar, F., Cygorek, M., Tamborenea, P. I., Axt, V. M.

“…We study theoretically the ultrafast spin dynamics of II-VI diluted magnetic semiconductors in the presence of spin-orbit interaction. Our goal is to explore…”
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On-demand generation of higher-order Fock states in quantum-dot–cavity systems by Cosacchi, M., Wiercinski, J., Seidelmann, T., Cygorek, M., Vagov, A., Reiter, D. E., Axt, V. M.

“…The on-demand preparation of higher-order Fock states is of fundamental importance in quantum information sciences. We propose and compare different protocols…”
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Schrödinger cat states in quantum-dot-cavity systems by Cosacchi, M., Seidelmann, T., Wiercinski, J., Cygorek, M., Vagov, A., Reiter, D. E., Axt, V. M.

“…A Schrödinger-cat state is a coherent superposition of macroscopically distinguishable quantum states, in quantum optics usually realized as superposition of…”
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Comparison between a quantum kinetic theory of spin transfer dynamics in Mn-doped bulk semiconductors and its Markov limit for nonzero Mn magnetization by Cygorek, M., Axt, V. M.

“…We investigate the transfer between carrier and Mn spins due to the s-d-exchange interaction in a Mn-doped bulk semiconductor within a microscopic quantum…”
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Non-Markovian spin transfer dynamics in magnetic semiconductors despite short memory times by Thurn, C., Cygorek, M., Axt, V. M., Kuhn, T.

“…A quantum kinetic theory of the spin transfer between carriers and Mn atoms in a Mn-doped diluted magnetic semiconductor is presented. It turns out that the…”
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Coherent spin-transfer dynamics in diluted magnetic semiconductor quantum wells even after optical excitation with zero net angular momentum by Thurn, C., Cygorek, M., Axt, V. M., Kuhn, T.

“…A quantum kinetic study of correlated spin transfer between optically excited electrons and Mn atoms in a ZnMnSe quantum well is presented. The simulations…”
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Co-Operative and Super-Radiant Emission from Electrically-Tuneable Waveguide-Coupled Quantum Dots by Hallett, D., Hallacy, L., Wiercinski, J., Dost, R., Martin, N., Cygorek, M., Gauger, E., Skolnick, M. S., Wilson, L. R.

“…Photon-mediated interactions between emitters are a powerful resource for quantum information processing. In a waveguide these interactions lead to…”
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Controlling cooperative emission and superradiance in waveguide-coupled quantum dots by Hallett, D, Wiercinski, J, Hallacy, L, Sheldon, S, Dost, R, Martin, N, Fenzl, A, Farrer, I, Verma, A, Cygorek, M, Gauger, E. M, Skolnick, M. S, Wilson, L. R

“…We report the measurement of collective emission from a pair of independently tuneable InAs quantum dots embedded in a nanophotonic waveguide. A split diode…”
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Accuracy of the quantum regression theorem for photon emission from a quantum dot by Cosacchi, M, Seidelmann, T, Cygorek, M, Vagov, A, Reiter, D. E, Axt, V. M

“…Phys. Rev. Lett. 127, 100402 (2021) The quantum regression theorem (QRT) is the most-widely used tool for calculating multitime correlation functions for the…”
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Schr\"{o}dinger cats in quantum-dot--cavity systems by Cosacchi, M, Seidelmann, T, Wiercinski, J, Cygorek, M, Vagov, A, Reiter, D. E, Axt, V. M

“…Phys. Rev. Research 3, 023088 (2021) A Schr\"odinger-cat state is a coherent superposition of macroscopically distinguishable quantum states, in quantum optics…”
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N$-photon bundle statistics in different solid-state platforms by Cosacchi, M, Mielnik-Pyszczorski, A, Seidelmann, T, Cygorek, M, Vagov, A, Reiter, D. E, Axt, V. M

“…The term $N$-photon bundles has been coined for a specific type of photon emission, where light quanta are released from a cavity only in groups of $N$…”
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