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We demonstrate the simultaneous dressing of both vacuum-to-exciton and exciton-to-biexciton transitions of a single semiconductor quantum dot in a high-Q micropillar cavity, using photoluminescence spectroscopy. Resonant two-photon…

In this study, we demonstrate coherent optical excitation of the electronic Raman transition between the $1s\left(A_1\right)$ and $1s\left(E\right)$ split states of phosphorus donor in crystalline silicon. The dynamics of the generated…

Mesoscale and Nanoscale Physics · Physics 2026-02-05 Adam Gindl , Martin Čmel , František Trojánek , Petr Malý , Zbyněk Šobáň , Alexandr Pošta , Martin Kozák

Recent progress on qubit manipulation allows application of periodic driving signals on qubits. In this study, a harmonic driving field is added to a Rabi dimer to engineer photon and qubit dynamics in a circuit quantum electrodynamics…

Quantum Physics · Physics 2019-05-17 Zhongkai Huang , Fulu Zheng , Yuyu Zhang , Yadong Wei , Yang Zhao

We study optically driven Rabi rotations of a quantum dot exciton transition between 5 and 50 K, and for pulse-areas of up to $14\pi$. In a high driving field regime, the decay of the Rabi rotations is nonmonotonic, and the period decreases…

Mesoscale and Nanoscale Physics · Physics 2010-10-22 A. J. Ramsay , T. M. Godden , S. J. Boyle , E. M. Gauger , A. Nazir , B. W. Lovett , A. M. Fox , M. S. Skolnick

In this work, dissipative effects from a phonon bath on the resonance fluorescence of a solid state two level system embedded in a high quality semiconductor microcavity and driven by an intense laser, are investigated. Within the density…

Mesoscale and Nanoscale Physics · Physics 2018-12-05 Oscar J. Gómez-Sánchez , Hanz Y. Ramírez

The swing-up of quantum emitter population (SUPER) scheme allows to populate the excited state of a quantum emitter with near-unity fidelity using two red-detuned laser pulses. Its off-resonant, yet fully coherent nature has attracted…

Quantum Physics · Physics 2024-09-19 Luca Vannucci , Niels Gregersen

Multi-photon bundle states are crucial for a broad range of applications such as quantum metrology, quantum lithography, quantum communication, and quantum biology. Here we propose a scheme that generates multi-photon bundles via virtual…

Quantum Physics · Physics 2023-06-21 Cheng Liu , Jin-Feng Huang , Lin Tian

We investigate excitation dynamics in the system of a quantum dipole emitter (QDE) coupled to a located nearby metal nanoparticle (MNP), which exhibits a dipolar localized surface plasmon (LSP) resonance at the frequency of the QDE…

Mesoscale and Nanoscale Physics · Physics 2018-02-14 Khachatur V. Nerkararyan , Torgom S. Yezekyan , Sergey I. Bozhevolnyi

The interaction of a light field with a quantum-mechanical system can be studied in an optically controlled semiconductor quantum dot. When driven by a continuous light field switched on instantaneously, the quantum dot occupation performs…

Mesoscale and Nanoscale Physics · Physics 2017-03-15 D. E. Reiter

The on-demand preparation of higher-order Fock states is of fundamental importance in quantum information sciences. We propose and compare different protocols to generate higher-order Fock states in solid state quantum-dot--cavity systems.…

Mesoscale and Nanoscale Physics · Physics 2020-09-30 M. Cosacchi , J. Wiercinski , T. Seidelmann , M. Cygorek , A. Vagov , D. E. Reiter , V. M. Axt

We demonstrate quantum bath engineering for preparation of any orbital state with controllable phase factor of a superconducting flux qubit assisted by a microwave coplanar waveguide resonator. We investigate the polarization efficiency of…

Quantum Physics · Physics 2015-06-22 Xian-Peng Zhang , Li-Tuo Shen , Zhang-Qi Yin , Huai-Zhi Wu , Zhen-Biao Yang

The Rabi model, a two-level atom coupled to a harmonic oscillator, can undergo a second-order quantum phase transition (QPT) [M. -J. Hwang et al, Phys. Rev. Lett. 115, 180404 (2015)]. Here we show that the Rabi QPT accompanies critical…

Quantum Physics · Physics 2016-08-24 Ricardo Puebla , Myung-Joong Hwang , Martin B. Plenio

We demonstrate the ability to control quantum coherent Rabi-oscillations in a room-temperature quantum dot semiconductor optical amplifier (SOA) by shaping the light pulses that trigger them. The experiments described here show that when…

We present an analytical solution of the single photon quantum feedback in a cavity quantum electrodynamics system based on a half cavity set-up coupled to a structured continuum. The exact analytical expression we obtain allows us to…

The rapid experimental progress in the field of superconducting nanocircuits gives rise to an increasing quest for advanced quantum-control techniques for these macroscopically coherent systems. Here we demonstrate theoretically that…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 Jens Siewert , Tobias Brandes , Giuseppe Falci

An experimental study of optical phonon modes, both normal and interface (IF) phonons, in bilayer strain-coupled InAs/GaAs_(1-x)Sb_x quantum dot heterostructures has been presented by means of low-temperature polarized Raman scattering. The…

Mesoscale and Nanoscale Physics · Physics 2024-09-17 Priyesh Kumar , Sudip Kumar Deb , Subhananda Chakrabarti , Jhuma Saha

We investigate a quantum dot (QD) system coupled to a vibrational environment with a super-Ohmic spectral density and weakly to a leaky cavity mode, a model relevant for semiconductor-based single-photon sources. The phonon coupling induces…

Mesoscale and Nanoscale Physics · Physics 2024-12-31 Sebastian Toivonen , Kimmo Luoma

The excitation scheme is essential for single-photon sources, as it governs exciton preparation, decay dynamics, and the spectral diffusion of emitted photons. While phonon-assisted excitation has shown promise in other quantum emitter…

The dynamics of a soliton propagating in a single-mode optical fiber with gain, loss, and Raman coupling to thermal phonons is analyzed. Using both soliton perturbation theory and exact numerical techniques, we predict that intrinsic…

Quantum Physics · Physics 2007-05-23 J. F. Corney , P. D. Drummond

We analyze a prototypical particle-in-a-box model for a hole spin qubit. This quantum dot is subjected to static magnetic and electric fields, and to a radio-frequency electric field that drives Rabi oscillations owing to spin-orbit…

Quantum Physics · Physics 2019-04-02 Benjamin Venitucci , Yann-Michel Niquet
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