Search Results - "Chekhova, M."

Microscale Generation of Entangled Photons without Momentum Conservation by Okoth, C, Cavanna, A, Santiago-Cruz, T, Chekhova, M V

“…We report, for the first time, the observation of spontaneous parametric down-conversion (SPDC) free of phase matching (momentum conservation). We alleviate…”
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Accessing higher order correlations in quantum optical states by time multiplexing by Avenhaus, M, Laiho, K, Chekhova, M V, Silberhorn, C

“…We experimentally measured higher order normalized correlation functions (NCF) of pulsed light with a time-multiplexing detector. We demonstrate excellent…”
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Bright squeezed vacuum: Entanglement of macroscopic light beams by Chekhova, M.V., Leuchs, G., Żukowski, M.

“…We discuss various methods to create macroscopic (bright) entangled light beams. As an example, bright squeezed vacuum is considered in detail. This state of…”
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Quantum tomography enhanced through parametric amplification by Knyazev, E, Spasibko, K Yu, Chekhova, M V, Khalili, F Ya

“…Quantum tomography is the standard method of reconstructing the Wigner function of quantum states of light by means of balanced homodyne detection. The…”
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Nonlinear Mach-Zehnder interferometer with ultrabroadband squeezed light by Horoshko, D. B., Kolobov, M. I., Gumpert, F., Shand, I., König, F., Chekhova, M. V.

“…We study both theoretically and experimentally the interference pattern in a nonlinear Mach-Zehnder interferometer formed by two aperiodically-poled crystals,…”
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Transverse entanglement of biphotons by Just, F, Cavanna, A, Chekhova, M V, Leuchs, G

“…We measure the transverse entanglement of photon pairs on their propagation from the near to the far field of spontaneous parametric down-conversion (SPDC)…”
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Spectral properties of high-gain parametric down-conversion by Spasibko, K Yu, Iskhakov, T Sh, Chekhova, M V

“…High-gain parametric down-conversion (PDC) is a source of bright squeezed vacuum, which is a macroscopic nonclassical state of light and a promising candidate…”
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Properties of bright squeezed vacuum at increasing brightness by Sharapova, P. R., Frascella, G., Riabinin, M., Pérez, A. M., Tikhonova, O. V., Lemieux, S., Boyd, R. W., Leuchs, G., Chekhova, M. V.

“…A bright squeezed vacuum (BSV) is a nonclassical macroscopic state of light, which is generated through high-gain parametric down-conversion or four-wave…”
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Two-photon diffraction and quantum lithography by D'Angelo, M, Chekhova, M V, Shih, Y

“…We report a proof-of-principle experimental demonstration of quantum lithography. Utilizing the entangled nature of a two-photon state, the experimental…”
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Nonlinear interferometer for tailoring the frequency spectrum of bright squeezed vacuum by Iskhakov, T.Sh, Lemieux, S., Perez, A., Boyd, R.W., Leuchs, G., Chekhova, M.V.

“…We propose a method for tailoring the frequency spectrum of bright squeezed vacuum by generating it in a nonlinear interferometer, consisting of two…”
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Macroscopic Hong-Ou-Mandel interference by Sh Iskhakov, T, Yu Spasibko, K, Chekhova, M V, Leuchs, G

“…We report on a Hong-Ou-Mandel interference experiment for twin beams with photon numbers per mode as large as 106 generated via high-gain parametric down…”
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Qutrit state engineering with biphotons by Bogdanov, Yu I, Chekhova, M V, Kulik, S P, Maslennikov, G A, Zhukov, A A, Oh, C H, Tey, M K

“…The novel experimental realization of three-level optical quantum systems is presented. We use the polarization state of biphotons to generate a specific…”
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Chirped biphotons and their compression in optical fibers by Brida, G, Chekhova, M V, Degiovanni, I P, Genovese, M, Kitaeva, G Kh, Meda, A, Shumilkina, O A

“…We show that broadband biphoton wave packets produced via spontaneous parametric down-conversion in crystals with linearly aperiodic poling can be easily…”
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Interference of macroscopic beams on a beam splitter: phase uncertainty converted into photon-number uncertainty by Yu Spasibko, K, Töppel, F, Sh Iskhakov, T, Stobi ska, M, Chekhova, M V, Leuchs, G

“…Squeezed-vacuum twin beams, commonly generated through parametric down-conversion, are known to have perfect photon-number correlations. According to the…”
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Two-photon spectral amplitude of entangled states resolved in separable Schmidt modes by Avella, A, Brida, G, Chekhova, M, Gramegna, M, Shurupov, A, Genovese, M

“…The ability to access high dimensionality in Hilbert spaces represents a demanding key-stone for state-of-the-art quantum information. The manipulation of…”
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Quantum reconstruction of an intense polarization squeezed optical state by Marquardt, Ch, Heersink, J, Dong, R, Chekhova, M V, Klimov, A B, Sánchez-Soto, L L, Andersen, U L, Leuchs, G

“…We perform a reconstruction of the polarization sector of the density matrix of an intense polarization squeezed beam starting from a complete set of Stokes…”
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Dispersion spreading of biphotons in optical fibers and two-photon interference by Brida, G, Chekhova, M V, Genovese, M, Gramegna, M, Krivitsky, L A

“…We present the first observation of two-photon polarization interference structure in the second-order Glauber correlation function of two-photon light…”
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Testing ultrafast two-photon spectral amplitudes via optical fibres by Brida, G, Caricato, V, Chekhova, M V, Genovese, M, Gramegna, M, Iskhakov, T Sh

“…We test two-dimensional TPSA of biphoton light emitted via ultrafast spontaneous parametric down-conversion (SPDC) using the effect of group-velocity…”
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Two-photon entanglement generation: different Bell states within the linewidth of phase-matching by Brida, G, Chekhova, M V, Genovese, M, Krivitsky, L A

“…It is shown that for a phase-matched nonlinear process producing entangled states, different Bell states are generated for different mismatch values. In…”
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Absolute calibration of analog detectors using stimulated parametric down conversion by Brida, G., Chekhova, M., Genovese, M., Rastello, M.-L., Ruo-Berchera, I.

“…Spontaneous parametric down conversion has been largely exploited as a tool for absolute calibration of photon counting detectors, photomultiplier tubes or…”
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