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Effectiveness of using laser field to produce entanglement between two dipole-interacting identical two-level atoms is considered in detail. The entanglement is achieved by driving the system with a carefully designed laser pulse…

Quantum Physics · Physics 2017-04-26 I. V. Bargatin , B. A. Grishanin , V. N. Zadkov

The spectroscopic properties of a single, tightly trapped atom are studied, when the electronic levels are coupled by three laser fields in an $N$-shaped configuration of levels, whereby a $\Lambda$-type level system is weakly coupled to a…

Quantum Physics · Physics 2014-04-16 Caroline Champenois , Giovanna Morigi , Juergen Eschner

Considering a two-level quantum system, we have proposed and represented a new approach for robust population transfer. In this scheme, the laser frequency has been swept in a finite time interval which simplifies the experimental…

Atomic Physics · Physics 2018-10-11 Fatemeh Ahmadi Nouri , Mehdi Hosseini , Farrokh Sarreshtedari

Population transfer between two identical, communicating defects in a one-dimensional tight-binding lattice can be systematically controlled by external time-periodic forcing. Employing a force with slowly changing amplitude, the time it…

Other Condensed Matter · Physics 2007-05-23 Christoph Weiss

Deterministic sources of quantum light (i.e. single photons or pairs of entangled photons) are required for a whole host of applications in quantum technology, including quantum imaging, quantum cryptography and the long-distance transfer…

We analyzed the efficiency of coherent population trapping (CPT) in a superposition of the ground states of three-level atoms under the influence of the decoherence process induced by a broadband thermal field. We showed that in a single…

Quantum Physics · Physics 2009-11-13 M. Macovei , Z. Ficek , C. H. Keitel

In this paper we propose a new protocol to achieve coherent population transfer between two states in a three-level atom by using two ac fields. It is based on the physics of Stimulated Raman Adiabatic Passage (STIRAP), but it is…

Quantum Physics · Physics 2015-06-11 P. G. Di Stefano , E. Paladino , A. D'Arrigo , G. Falci

In this paper we discuss the possibility of the excitation of nuclear electromagnetic transitions by the absorption of X-ray quanta produced in appropriate inner-shell atomic transitions, and the relevance of this process for the…

Nuclear Experiment · Physics 2007-05-23 Silviu Olariu

We demonstrate coherent control of population transfer between vibrational states in an optical lattice by using interference between a one-phonon transition at $2\omega$ and a two-phonon transition at $\omega$. The $\omega$ and $2\omega$…

Optimal control experiments can readily identify effective shaped laser pulses, or "photonic reagents", that achieve a wide variety of objectives. For many practical applications, an important criterion is that a particular photonic reagent…

Quantum Physics · Physics 2014-03-05 Katharine Moore Tibbetts , Xi Xing , Herschel Rabitz

We report a study on the optical dipole force in a ladder like three level atomic systems in the context of coherent population transfer with the chirped few-cycle-pulse laser fields. The phenomenon of coherent population transfer is…

Optics · Physics 2012-12-20 Parvendra Kumar , Amarendra K. Sarma

Accurate population transfer of uncoupled or weakly coupled spin states is crucial for many quantum information processing tasks. In this paper, we propose a fast and robust scheme for population transfer which combines invariant-based…

Quantum Physics · Physics 2022-06-01 Kangze Li , Guofu Xu

Highly coherent and powerful light sources capable of generating soft x-ray frequency combs are essential for high precision measurements and rigorous tests of fundamental physics. In this work, we derive the analytical conditions required…

Optics · Physics 2025-04-18 Michael J. Quin , Antonino Di Piazza , Matteo Tamburini

Tunneling ionization followed by strong-field excitation leads to important ultrafast phenomena such as charge migration and lasing. Recent theoretical developments suggest that the population of the ionic excited state can be greatly…

Quantum Physics · Physics 2026-01-29 Chi-Hong Yuen

Coherent manipulation of quantum states is of crucial importance in accurate control of a quantum system. A fundamental goal is coherently transferring the population of a desired state with near-unit fidelity. For this propose, we…

Atomic Physics · Physics 2018-12-05 Luyao Yan , Dandan Ma , Dongmin Yu , Jing Qian

Laser accelerated protons can be a complimentary source for treatment of oncological diseases to the existing hadron therapy facilities. We demonstrate how the protons, accelerated from near-critical density plasmas by laser pulses having…

Coherent control of a system involves steering an interaction to a final coherent state by controlling the phase of an applied field. Plasmas support coherent wave structures that can be generated by intense laser fields. Here, we…

Plasma Physics · Physics 2015-06-02 Z. -H. He , B. Hou , V. Lebailly , J. A. Nees , K. Krushelnick , A. G. R. Thomas

The deterministic generation of multiexcitation subradiant states proves to be challenging. Here, we present a viable path towards their transient generation in finite-sized ordered arrays of dipole-dipole coupled quantum emitters, based on…

Quantum Physics · Physics 2023-05-10 Oriol Rubies-Bigorda , Stefan Ostermann , Susanne F. Yelin

We propose a model to study quantum population transfer via a structural continuum. The model is composed of two spins which are coupled to two bosonic modes separately by two control pulses, and the two bosonic modes are coupled to a…

Quantum Physics · Physics 2020-01-08 Wei Huang , Shan Yin , Baohua Zhu , Wentao Zhang , Chu Guo

We propose a novel scheme for the population and depletion of nuclear isomers. The scheme combines the $\gamma$-photons with energies $\gtrsim 10$ keV emitted during the interaction of a contemporary high-intensity laser pulse with a plasma…

Nuclear Theory · Physics 2025-07-25 C. -J. Yang , K. M. Spohr , M. Cernaianu , D. Doria , P. Ghenuche , V. Horny
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