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A theoretical investigation on the quantum control of optical coherent four-wave mixing interactions in two-level systems driven by two intense synchronized femtosecond laser pulses of central angular frequencies $\omega$ and $3\omega$ is…

Optics · Physics 2009-11-10 Carles Serrat

These notes provide a pedagogical introduction to the theoretical study of vacuum polarization effects in strong electromagnetic fields as provided by state-of-the-art high-intensity lasers. Quantum vacuum fluctuations give rise to…

High Energy Physics - Phenomenology · Physics 2020-01-22 Felix Karbstein

The generation of optically coherent ultrashort pulses by mode-locked lasers has revolutionized advancements in modern science and technology. These pulses often arise from the formation of dissipative solitons, which emerge due to a…

Optics · Physics 2025-05-08 Jesús Yelo-Sarrión , François Leo , Simon-Pierre Gorza

We present an experimental and theoretical study of modal nonlinear dynamics in a specially designed dual-mode semiconductor Fabry-Perot laser with a saturable absorber. At zero bias applied to the absorber section, we have found that with…

Optics · Physics 2015-06-19 Finbarr O'Callaghan , Simon Osborne , Stephen O'Brien

The interaction of two electrons and two positrons in the field of two strong pulsed laser waves outside the framework of the dipole approximation (with an accuracy of relativistic corrections ) has been studied theoretically. The…

Classical Physics · Physics 2017-06-01 Stanislav Starodub , Sergei Roshchupkin , Viktor Dubov

We use statistical tools to characterize the response of an excitable system to periodic perturbations. The system is an optically injected semiconductor laser under pulsed perturbations of the phase of the injected field. We characterize…

Adaptation and Self-Organizing Systems · Physics 2020-08-26 Jordi Tiana-Alsina , Bruno Garbin , Stephane Barland , Cristina Masoller

Optically-coupled semiconductor laser arrays are described by coupled rate equations. The coupled mode equations and carrier densities are included in the analysis, which inherently incorporate the carrier-induced nonlinearities including…

Optics · Physics 2018-05-02 Zihe Gao , Matthew T. Johnson , Kent D. Choquette

A microscopic study of mode-locked pulse generation is presented for vertical external-cavity surface-emitting lasers utilizing type-II quantum well configurations. The coupled Maxwell semiconductor Bloch equations are solved numerically…

Optics · Physics 2019-07-24 I. Kilen , S. W. Koch , J. Hader , J. V. Moloney

High harmonic generation in solids provides us compact and coherent UV sources. Our simulations illustrate abnormal harmonic yield dependence on the intensity of driving or pre-excitation pulses. A multielectron interference model is…

Optics · Physics 2020-01-01 Ling-Jie Lü , Xue-Bin Bian

We derive a generalized master equation for multiphoton pulses interacting with multiple emitters in a waveguide-quantum electrodynamics system where the emitter frequency can be modulated and the effects of non-guided modes can also be…

Quantum Physics · Physics 2020-11-06 Zeyang Liao , Yunning Lu , M. Suhail Zubairy

Superradiant lasers, which consist of incoherently driven atoms coupled to a lossy cavity, are a promising source of coherent light due to their stable frequency and superior narrow linewidth. We show that when a fraction of the atoms is…

Quantum Physics · Physics 2025-05-19 Tobias Nadolny , Matteo Brunelli , Christoph Bruder

We explore long lived electronic coherences in molecules using shaped ultrafast laser pulses to launch and probe entangled nuclear-electronic wave packets. We find that under certain conditions, the electronic phase remains well defined…

Quantum Physics · Physics 2023-11-20 Brian Kaufman , Philipp Marquetand , Tamas Rozgonyi , Thomas Weinacht

The dynamics of a multimode Quantum Cascade Laser, is studied in a model based on effective semiconductor Maxwell-Bloch equations, encompassing key features for the radiationmedium interaction such as an asymmetric, frequency dependent,…

Optics · Physics 2018-02-14 L. L. Columbo , S. Barbieri , C. Sirtori , M. Brambilla

Mode-locked fibre lasers are important sources of ultrashort pulses, where stable pulse generation is achieved through a balance of periodic amplitude and phase evolutions. A range of distinct cavity pulse dynamics have been revealed,…

Optics · Physics 2018-03-29 R. I. Woodward

Exposing a molecule to intense light pulses may bring this molecule to a nonstationary quantum state, thus launching correlated dynamics of electronic and nuclear subsystems. Although much had been achieved in the understanding of…

Chemical Physics · Physics 2024-04-11 Nikolay V. Golubev , Jiří Vaníček

A novel optical layout for a multi-pass resonator is presented paving the way for pulse energy scaling of mode-locked thin-disk lasers. The multi-pass resonator we are proposing consists of a concatenation of nearly identical optical…

Optics · Physics 2016-05-03 K. Schuhmann , K. Kirch , A. Antognini

Synchronization dynamics of mutually coupled chaotic semiconductor lasers are investigated experimentally and compared to identical synchronization of unidirectionally coupled lasers. Mutual coupling shows high quality synchronization in a…

Chaotic Dynamics · Physics 2009-11-11 Noam Gross , Wolfgang Kinzel , Ido Kanter , Michael Rosenbluh , Lev Khaykovich

We show that a laser pulse can always be found that induces a desired optical response from an arbitrary dynamical system. As illustrations, driving fields are computed to induce the same optical response from a variety of distinct systems…

Quantum Physics · Physics 2017-03-02 Andre G. Campos , Denys I. Bondar , Renan Cabrera , Herschel Rabitz

Many nonlinear systems are described by eigenmodes with amplitude-dependent frequencies, interacting strongly whenever the frequencies become commensurate at internal resonances. Fast energy exchange via the resonances holds the key to rich…

Chaotic Dynamics · Physics 2022-12-07 Mingkang Wang , Diego J. Perez-Morelo , Daniel Lopez , Vladimir A. Aksyuk

We show that a topological investigation of the phase space of a Semiconductor Ring Laser can be used to devise switching schemes which are alternative to optical pulse injection of counter-propagating light. To provide physical insight in…

Optics · Physics 2009-12-09 L. Gelens , G. Van der Sande , S. Beri , J. Danckaert
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