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We theoretically propose a multidimensional high-harmonic echo spectroscopy technique which utilizes strong optical fields to resolve coherent electron dynamics spanning an energy range of multiple electron Volts. Using our recently…

The first step in the coherent control of a photoinduced binary reaction is bond making or photoassociation. We have recently demonstrated coherent control of bond making in multi-photon femtosecond photoassociation of hot magnesium atoms,…

Atomic Physics · Physics 2015-07-31 Liat Levin , Wojciech Skomorowski , Ronnie Kosloff , Christiane P. Koch , Zohar Amitay

Optical pump-probe signals can be viewed as work done by the matter while transferring the energy between two coherent baths (from pump to probe). In thermodynamics a heat engine, such as laser, is a device which performs similar work but…

Quantum Physics · Physics 2021-04-14 Md Qutubuddin , Konstantin E. Dorfman

The time-dependent Schr\"{o}dinger equation for the hydrogen atom and its interaction with coherent intense high-frequency short laser pulses is solved numerically exactly by propagating the single-electron wave packets. Thereby, the…

Atomic Physics · Physics 2013-09-11 Philipp V. Demekhin , David Hochstuhl , Lorenz S. Cederbaum

Laser pulses with stable electric field waveforms establish the opportunity to achieve coherent control on attosecond timescales. We present experimental and theoretical results on the steering of electronic motion in a multi-electron…

Coherent diffusion pertains to the motion of atomic dipoles experiencing frequent collisions in vapor while maintaining their coherence. Recent theoretical and experimental studies on the effect of coherent diffusion on key Raman processes,…

Quantum Physics · Physics 2013-10-21 Ofer Firstenberg , Moshe Shuker , Amiram Ron , Nir Davidson

We demonstrate experimentally a new technique to control the bandwidth and the type of frequency correlations (correlation, anticorrelation, and even uncorrelation) of entangled photons generated by spontaneous parametric downconversion.…

Quantum Physics · Physics 2009-11-13 M. Hendrych , M. Micuda , J. P. Torres

Free electrons provide a powerful tool to probe material properties at atomic-scale spatial resolution. Recent advances in ultrafast electron microscopy enable the manipulation of free electron wavefunctions using laser pulses. It would be…

Quantum Physics · Physics 2021-06-16 Ron Ruimy , Alexey Gorlach , Chen Mechel , Nicholas Rivera , Ido Kaminer

We present a combined analytical and numerical study for coherent terahertz control of a single molecular polariton, formed by strongly coupling two rotational states of a molecule with a single-mode cavity. Compared to the bare molecules…

Quantum Physics · Physics 2023-02-08 Li-Bao Fan , Chuan-Cun Shu , Daoyi Dong , Jun He , Niels E. Henriksen , Franco Nori

The interband polarizations induced by two phase-locked pulses in a semiconductor show strong interference effects depending on the time tau_1 separating the pulses. The four-wave mixing signal diffracted from a third pulse delayed by tau…

Strongly Correlated Electrons · Physics 2009-10-31 H. Castella , R. Zimmermann

Recent quantum technologies have established precise quantum control of various microscopic systems using electromagnetic waves. Interfaces based on cryogenic cavity electro-optic systems are particularly promising, due to the direct…

Quantum Physics · Physics 2023-06-27 Liu Qiu , Rishabh Sahu , William Hease , Georg Arnold , Johannes M. Fink

Quantum optics plays a crucial role in developing quantum computers on different platforms. In photonics, precise control over light's degrees of freedom, including discrete variables (polarization, photon number, orbital angular momentum)…

Quantum Physics · Physics 2025-04-29 J. S. Araujo , K. Khan , A. S. Coelho

We propose the scheme of temporal double-slit interferometer to precisely measure the electric field of shaped intense femtosecond laser pulse directly, and apply it to control the electron tunneling wave packets in attosecond precision. By…

Atomic Physics · Physics 2023-11-13 Xiaoyun Zhao , Mingqing Liu , Yizhang Yang , Zhou Chen , Xiaolei Hao , Chuncheng Wang , Weidong Li , Jing Chen

Recent experiments [D. Pengel, S. Kerbstadt, L. Englert, T. Bayer, and M. Wollenhaupt, \href{https://journals.aps.org/pra/abstract/10.1103/PhysRevA.96.043426}{{\PRA} {\bf 96} 043426 (2017)}] have measured the photoelectron momentum…

Atomic Physics · Physics 2019-12-18 G. S. J. Armstrong , D. D. A. Clarke , J. Benda , J. Wragg , A. C. Brown , H. W. van der Hart

We present a versatile, high-brightness, guided-wave source of polarization entangled photons, emitted at a telecom wavelength. Photon-pairs are generated using an integrated type-0 nonlinear waveguide, and subsequently prepared in a…

A coherent control scheme for the population distribution in the vibrational states of nonpolar molecules is proposed. Our theoretical analysis and results of numerical simulations for the interaction of the hydrogen molecular ion in its…

Quantum Physics · Physics 2011-02-17 A. Picón , J. Biegert , A. Jaron-Becker , A. Becker

We demonstrate a coherent and dynamic beam splitter based on light storage in cold atoms. An input weak laser pulse is first stored in a cold atom ensemble via electromagnetically-induced transparency (EIT). A set of counter-propagating…

Quantum Physics · Physics 2016-10-03 Kwang-Kyoon Park , Tian-Ming Zhao , Jong-Chan Lee , Young-Tak Chough , Yoon-Ho Kim

Polarization-resolved control and measurement of the optical field are essential for a wide range of photonic systems, including coherent communication, polarimetric sensing, and quantum information processing. We present a photonic…

The measurement of correlations between different degrees of freedom is an important, but in general extremely difficult task in many applications of quantum mechanics. Here, we report an all-optical experimental detection and…

Holography is an established technique for measuring the wavefront of optical signals through interferometric combination with a reference wave. Conventionally the integration time of a hologram is limited by the interferometer coherence…

Optics · Physics 2023-12-13 Guillaume Thekkadath , Duncan England , Benjamin Sussman