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Related papers: Light storage based on four-wave mixing and electr…

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We report the storage and retrieval of single photons, via a quantum memory, in the optical phonons of room-temperature bulk diamond. The THz-bandwidth heralded photons are generated by spontaneous parametric downconversion and mapped to…

Light propagation and storing in a medium of atoms in the tripod configuration driven by two control pulses are investigated theoretically in terms of two polaritons and numerically. It is shown that a magnetic field switched on at the…

Quantum Physics · Physics 2007-05-23 A. Raczynski , M. Rzepecka , J. Zaremba , S. Zielinska-Kaniasty

We perform coherent non-linear spectroscopy of individual excitons strongly confined in single InAs quantum dots (QDs). The retrieval of their intrinsically weak four-wave mixing (FWM) response is enabled by a one-dimensional dielectric…

Mesoscale and Nanoscale Physics · Physics 2016-05-04 Q. Mermillod , T. Jakubczyk , V. Delmonte , A. Delga , E. Peinke , J-M. Gérard , J. Claudon , J. Kasprzak

We report on coherent and multi-temporal mode storage of light using the full atomic frequency comb memory scheme. The scheme involves the transfer of optical atomic excitations in Pr3+:Y2SiO5 to spin-waves in the hyperfine levels using…

We investigate whether it is possible to store and retrieve the intense probe pulse from a $\Lambda$-type homogeneous medium of cold atoms. Through numerical simulations we show that it is possible to store and retrieve the probe pulse…

Quantum Physics · Physics 2007-05-23 Tarak Nath Dey , G. S. Agarwal

Four-wave mixing (FWM) is an important nonlinear optical phenomenon that underlines many of the discoveries and device applications since the laser was invented. Examples include parametric amplification, mode-locked pulses and frequency…

Microwave-optical transducers and quantum memories are fundamental components of quantum repeaters, essential for developing a quantum internet in which solid-state quantum computers serve as nodes interconnected by optical fibers for data…

Quantum transducer, when working as a microwave and optical entanglement generator, provides a practical way of coherently connecting optical communication channels and microwave quantum processors. The recent experiments on quantum…

Quantum Physics · Physics 2024-09-11 Changchun Zhong

In a recent paper [Gorshkov et al., Phys. Rev. Lett. 98, 123601 (2007)], we used a universal physical picture to optimize and demonstrate equivalence between a wide range of techniques for storage and retrieval of photon wave packets in…

Quantum Physics · Physics 2007-09-09 Alexey V. Gorshkov , Axel Andre , Mikhail D. Lukin , Anders S. Sorensen

We present a detailed analysis of a high-bandwidth quantum memory protocol for storing single photons in a rare-earth-ion doped crystal. The basic idea is to benefit from a coherent free-induced decay type re-emission which occurs naturally…

Quantum Physics · Physics 2015-06-15 Valentina Caprara Vivoli , Nicolas Sangouard , Mikael Afzelius , Nicolas Gisin

Resonance fluorescence arises from the interaction of an optical field with a two-level system and has played a fundamental role in the development of quantum optics and its applications. Despite its conceptual simplicity it entails a wide…

We investigate the storage of light in atomic rubidium vapor using a multilevel-tripod scheme. In the system, two collective dark polariton modes exist, forming an effective spinor quasiparticle. Storage of light is performed by dynamically…

Quantum Physics · Physics 2008-10-31 Leon Karpa , Frank Vewinger , Martin Weitz

The purpose of this tutorial paper is to present a broad overview of photon-pair generation through the spontaneous four wave mixing (SFWM) process in optical fibers. Progress in optical fiber technology means that today we have at our…

We develop a three-dimensional theory for quantum memories based on light storage in ensembles of Lambda-type atoms, where two long-lived atomic ground states are employed. We consider light storage in an ensemble of finite spatial extent…

Quantum Physics · Physics 2011-11-01 Emil Zeuthen , Anna Grodecka-Grad , Anders S. Sørensen

We report on the storage of light via the phenomenon of Coherent Population Oscillation (CPO) in an atomic cesium vapor at room temperature. In the experiment the optical information of a probe field is stored in the CPO of two ground…

Efficient frequency conversion of photons has important applications in optical quantum technology because the frequency range suitable for photon manipulation and communication usually varies widely. Recently, an efficient frequency…

We present the design, implementation, and illustrative results of a light collection/injection strategy based on an off-axis parabolic mirror collector for a low-temperature Scanning Tunneling Microscope (STM). This device allows us to…

We show that inducing sidebands in the emission of a single emitter into a one dimensional waveguide, together with a dissipative re-pumping process, a photon field is cooled down to a squeezed vacuum. Our method does not require to be in…

Quantum Physics · Physics 2012-02-21 Diego Porras , Juan José García-Ripoll

The light-matter quantum interface that can create quantum-correlations or entanglement between a photon and one atomic collective excitation is a fundamental building block for a quantum repeater. The intrinsic limit is that the…

Quantum Physics · Physics 2017-10-04 Long Tian , Zhongxiao Xu , Lirong Chen , Wei Ge , Haoxiang Yuan , Yafei Wen , Shengzhi Wang , Shujing Li , Hai Wang

Efficient photon-photon interaction is one of the key elements for realizing quantum information processing. The interaction, however, must often be mediated through an atomic medium due to the bosonic nature of photons, and the interaction…

Quantum Physics · Physics 2022-08-17 U-Shin Kim , Yong Sup Ihn , Chung-Hyun Lee , Yoon-Ho Kim