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The emission spectrum of exciton complexes formed in individual self-assembled quantum dots (QDs) embedded into a p-n junction is theoretically studied using an effective mass model. We calculate the particle Coulomb interactions,…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 David M. -T. Kuo , Yia-Chung Chang

By means of quantum mechanics and quantum electrodynamics applied to coupled harmonic Drude oscillators, we study the interaction between two neutral atoms or molecules subject to a uniform static electric field. Our focus is to understand…

Chemical Physics · Physics 2022-03-16 Mohammad Reza Karimpour , Dmitry V. Fedorov , Alexandre Tkatchenko

Patterson, Schnell, \& Doyle, {\it Nature} {\bf 497}, 475 (2013) introduced a microwave experiment that produces a perpendicularly polarized molecular emission when chiral molecules are resonantly excited in the presence of a Stark Field…

Chemical Physics · Physics 2015-02-02 Kevin K. Lehmann

An improved measurement of the electron electric dipole moment (EDM) appears feasible using ground-state alkali atoms in an atomic fountain in which a strong electric field, which couples to a conceivable electron dipole moment (EDM), is…

Atomic Physics · Physics 2012-11-20 B. J. Wundt , C. T. Munger , U. D. Jentschura

An inhomogeneous electric field is used to study the deflection of a supersonic beam of water molecules. The deflection profiles show strong broadening accompanied by a small net displacement towards higher electric fields. The profiles are…

Chemical Physics · Physics 2009-11-13 Ramiro Moro , Jaap Bulthuis , Jonathon Heinrich , Vitaly V. Kresin

Single quantum dots are solid-state emitters which mimic two-level atoms but with a highly enhanced spontaneous emission rate. A single quantum dot is the basis for a potentially excellent single photon source. One outstanding problem is…

Controlling electrically-stimulated quantum light sources (QLS) is key for developing integrated and low-scale quantum devices. The mechanisms leading to quantum emission are complex, as a large number of electronic states of the system…

Mesoscale and Nanoscale Physics · Physics 2024-02-28 Katharina Kaiser , Anna Rosławska , Michelangelo Romeo , Fabrice Scheurer , Tomáš Neuman , Guillaume Schull

Thermal light engineering is a field of considerable interest and potential. We study quantum light-matter interactions in a one-dimensional photonic crystal with two-level atoms as the active medium, replacing classical oscillators in…

Quantum Physics · Physics 2025-08-18 Chih-Wei Wang , Jhih-Sheng Wu

We investigate two-dimensional atomic arrays as a platform to modify the electromagnetic environment of individual quantum emitters. Specifically, we demonstrate that control over emission linewidths, resonant frequency shifts, and local…

Quantum Physics · Physics 2021-06-09 Taylor L. Patti , Dominik S. Wild , Ephraim Shahmoon , Mikhail D. Lukin , Susanne F. Yelin

Experiments handling Rydberg atoms near surfaces must necessarily deal with the high sensitivity of Rydberg atoms to (stray) electric fields that typically emanate from adsorbates on the surface. We demonstrate a method to modify and reduce…

We describe the light-matter interaction of a single two level atom with the electromagnetic vacuum in terms of field and dipole variables by considering homodyne detection of the emitted fields. Spontaneous emission is then observed as a…

Quantum Physics · Physics 2007-05-23 Holger F. Hofmann , Ortwin Hess , Guenter Mahler

We demonstrate two solid-state sources of indistinguishable single photons. High resolution laser spectroscopy and optical microscopy were combined at T = 1.4 K to identify individual molecules in two independent microscopes. The Stark…

Quantum Physics · Physics 2009-11-13 R. Lettow , V. Ahtee , R. Pfab , A. Renn , E. Ikonen , S. Gotzinger , V. Sandoghdar

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 excitation is to spectrally isolate the excitation laser from the quantum…

Strongly-coupled quantum dot molecules (QDMs) are widely deployed in the design of a variety of optoelectronic, photovoltaic, and quantum information devices. An efficient and optimized performance of these devices demands engineering of…

Mesoscale and Nanoscale Physics · Physics 2015-10-28 Muhammad Usman

Stark-induced electric dipole amplitudes between states of the same nominal parity can be important in experiments to observe parity nonconservation in atoms. The Stark-induced E1 amplitudes are expressed in terms of an irreducible…

Atomic Physics · Physics 2007-05-23 David DeMille , Mikhail Kozlov

The polarization splitting of the exciton ground state in two laterally coupled quantum dots under an in-plane electric field is investigated and its effective tuning is designed. It is found that there are significant Stark effect and…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Jia-Lin Zhu , Dong Xu

Stark deceleration allows for precise control over the velocity of a pulsed molecular beam and, by the nature of its limited phase-space acceptance, reduces the energy width of the decelerated packet. We describe an alternate method of…

Atomic Physics · Physics 2015-05-13 L. P. Parazzoli , N. Fitch , D. S. Lobser , H. J. Lewandowski

The resonant quantum dynamics of an excited two-level emitter is investigated via classical modulation of its transition frequency while simultaneously the radiator interacts with a broadband electromagnetic field reservoir. The frequency…

Quantum Physics · Physics 2015-06-23 Mihai Macovei , Christoph H. Keitel

The quantum dynamics of a dense and dipole-dipole coupled ensemble of two-level emitters interacting via their environmental thermostat is investigated. The static dipole-dipole interaction strengths are being considered strong enough but…

Quantum Physics · Physics 2024-08-12 Mihai A. Macovei

An exact analytic solution for two two-level atoms coupled with a multi-photon single-mode electromagnetic cavity field in the presence of the Stark shift is derived. We assume that the field is initially prepared in a coherent state and…

Quantum Physics · Physics 2020-07-21 Abdallah Slaoui , Ahmed Salah , Mohammed Daoud