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We study theoretically the time-resolved four-wave mixing (FWM) response of an ensemble of pairs of quantum dots undergoing radiative recombination. At short (picosecond) delay times, the response signal shows beats that may be dominated by…

Mesoscale and Nanoscale Physics · Physics 2009-10-04 Anna Sitek , Pawel Machnikowski

We present a theoretical analysis of four-wave mixing in coupled quantum dots subject to inhomogeneous broadening. For the biexciton transitions a clear signature of interdot-coupling appears in the spectra. The possibility of experimental…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Pekka Koskinen , Ulrich Hohenester

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…

We employ two-dimensional (2D) coherent, nonlinear spectroscopy to investigate couplings within individual InAs quantum dots (QD) and QD molecules. Swapping pulse ordering in a two-beam sequence permits to distinguish between rephasing and…

Superconducting quantum systems (artificial atoms) have been recently successfully used to demonstrate on-chip effects of quantum optics with single atoms in the microwave range. In particular, a well-known effect of four-wave mixing could…

Quantum Physics · Physics 2017-11-08 A. Yu. Dmitriev , R. Shaikhaidarov , V. N. Antonov , T. Hönigl-Decrinis , O. V. Astafiev

Semiconductor quantum dot molecules are considered as promising candidates for quantum technological applications due to their wide tunability of optical properties and coverage of different energy scales associated with charge and spin…

We show that, Four wave mixing (FWM) processes of grating can be controlled by the presence of interactions with a quantum dot or a molecule made by coupled quantum dots. By choosing the appropriate level spacing for the quantum emitter,…

Quantum Physics · Physics 2015-07-02 Shailendra Kumar Singh , Mehmet Emre Tasgin

A detailed understanding of the population and coherence dynamics in optically driven individual emitters in solids and their signatures in ultrafast nonlinear-optical signals is of prime importance for their applications in future quantum…

Mesoscale and Nanoscale Physics · Physics 2016-04-11 Q. Mermillod , D. Wigger , V. Delmonte , D. E. Reiter , C. Schneider , M. Kamp , S. Höfling , W. Langbein , T. Kuhn , G. Nogues , J. Kasprzak

We experimentally investigate four-wave mixing (FWM) of matter waves in two geometric configurations in $^{39}$K Bose-Einstein condensates with the atomic interaction tuned via Feshbach resonances. For one configuration with the single-spin…

Quantum transduction, which enables the coherent conversion of quantum information between disparate physical platforms, is a cornerstone for realizing scalable and interoperable quantum networks. Among various approaches, parametric…

Optics · Physics 2025-12-05 Hao Zhang , Yang Xu , Linshan Sun , Wei Cui , Robert W. Boyd , Sergio Carbajo

We discuss, from a theoretical point of view, the four wave mixing spectroscopy on an ensemble of p-doped quantum dots in a magnetic field slightly tilted from the in-plane configuration. We describe the system evolution in the density…

Mesoscale and Nanoscale Physics · Physics 2012-01-20 P. Machnikowski , T. Kuhn

The light propagation through one-dimensional photonic crystal using Four-wave mixing (FWM) nonlinear process is modeled. The linear and nonlinear indexes of refraction are approximated with the first Fourier harmonic term. Based on this…

Optics · Physics 2007-05-23 A. Rostami , M. Boozarjmehr

We study the process of four-wave mixing (4WM) in ultracold degenerate atomic gases. In particular we address the problem of 4WM in boson-fermion mixtures. We develop an approximate description of such processes using asymptotic analysis of…

Soft Condensed Matter · Physics 2009-10-31 P. Villain , P. Ohberg , L. Santos , A. Sanpera , M. Lewenstein

We analyse the correlation and spectral properties of two-photon states resonantly transmitted by a non-linear optical microcavity. We trace the correlation properties of transmitted two-photon states to the decay spectrum of multi-photon…

Quantum Physics · Physics 2014-10-01 Y. Sherkunov , David M. Whittaker , Henning Schomerus , Vladimir Fal'ko

Non-collinear four-wave mixing (FWM) techniques at near-infrared (NIR), visible, and ultraviolet frequencies have been widely used to map vibrational and electronic couplings, typically in complex molecules. However, correlations between…

Using a perturbation theory based on the density-matrix formulation, we study the nonlinear optical responses of a noninteracting three-level model system to consecutive coherent pulsed excitations, as realized in several recent experiments…

Condensed Matter · Physics 2009-10-22 Xuejun Zhu , Mark S. Hybertsen , P. B. Littlewood , Martin C. Nuss

Quantum dots are small conductive regions in a semiconductor, containing a variable number of electrons (N=1 to 1000) that occupy well defined discrete quantum states. They are often referred to as artificial atoms with the unique property…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 T. H. Oosterkamp , T. Fujisawa , W. G. van der Wiel , K. Ishibashi , R. V. Hijman , S. Tarucha , L. P. Kouwenhoven

The problem of correlation between quantum states of four-atomic molecules in different geometrical configurations is reviewed in detail. A general, still simple rule is obtained which allows one to correlate states of a linear four-atomic…

Condensed Matter · Physics 2009-10-22 N. Manini , S. Oss

Four-wave mixing (FWM) in gas-filled hollow-core capillaries, a nonlinear optical process that mixes signal and pump photon frequencies to generate idler frequency photons, offers a method for precise spectral phase transfer from signal to…

Nondegenerate four-wave mixing (FWM) process based on a double-$\Lambda$ scheme in hot alkali metal vapor is a versatile tool in quantum state engineering, quantum imaging, and quantum precision measurements. In this Letter, we investigate…

Quantum Physics · Physics 2019-04-15 Wei Liu , Rong Ma , Li Zeng , Zhongzhong Qin , Xiaolong Su
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