Quantum & Optical Technology



A.A.Pushkina, G.Maltese, J.I.Costa-Filho, P.Patel and A.I.Lvovsky

Super-resolution linear optical imaging in the far field

D.A. Chermoshentsev, A.O. Malyshev, E.S. Tiunov, D. Mendoza, A. Aspuru-Guzik, A.K. Fedorov and A.I. Lvovsky

Polynomial unconstrained binary optimisation inspired by optical simulation

D. Beloborodov, A. E. Ulanov, J. Foerster, S. Whiteson and A. I. Lvovsky

Reinforcement learning enhanced quantum-inspired algorithm for combinatorial optimization

Machine Learning: Science and Technology, Volume 2, 025009 (2021)
Xianxin Guo, Thomas D. Barrett, Zhiming M. Wang and A.I. Lvovsky

Backpropagation through nonlinear units for the all-optical training of neural networks

Photonics Research 9, B71-B80 (2021)


James Spall, Xianxin Guo, Thomas D. Barrett and A. I. Lvovsky

Fully reconfigurable coherent optical vector-matrix multiplication

Optics Letters 45, 5752-5755 (2020)
A. I. Lvovsky, P. Grangier, A. Ourjoumtsev, V. Parigi, M. Sasaki and R. Tualle-Brouri

Production and applications of non-Gaussian quantum states of light

G. S. Thekkadath, M. E. Mycroft, B. A. Bell, C. G. Wade, A. Eckstein, D. S. Phillips, R. B. Patel, A. Buraczewski, A. E. Lita, T. Gerrits, S. W. Nam, M. Stobińska, A. I. Lvovsky and I. A. Walmsley

Quantum-enhanced interferometry with large heralded photon-number states

npj Quantum Information 6, 89 (2020)
Dmitry Sorokin, Alexander Ulanov, Ekaterina Sazhina and Alexander Lvovsky

Interferobot: aligning an optical interferometer by a reinforcement learning agent

Advances in Neural Information Processing Systems 33, 13238-13248 (2020)
A. A. Pushkina, J. I. Costa-Filho, G. Maltese and A. I. Lvovsky

Comprehensive model and performance optimization of phase-only spatial light modulators

Measurement Science and Technology 31, 125202 (2020)
E. S. Tiunov, V. V. Tiunova, A. E. Ulanov, A. I. Lvovsky and A. K. Fedorov

Experimental quantum homodyne tomography via machine learning

Optica 7, 448 (2020)
E. S. Moiseev, A. Tashchilina, S. A. Moiseev and A. I. Lvovsky

Darkness of two-mode squeezed light in Lambda-type atomic system

New Journal of Physics 22, 013014 (2020)
T. D. Barrett, W. R. Clements, J. N. Foerster and A. I. Lvovsky

Exploratory Combinatorial Optimization with Reinforcement Learning

Proceedings of Thirty-fourth AAAI conference on artificial intelligence, 3243-3250 (2020)
Bohan Li, G. Maltese, J. I. Costa-Filho, Anastasia A. Pushkina and A. I. Lvovsky

An optical Eratosthenes' sieve for large prime numbers

Optics Express 28, 11965-11973 (2020)
G. S. Thekkadath, B. A. Bell, I. A. Walmsley and A. I. Lvovsky

Engineering Schrödinger cat states with a photonic even-parity detector

Quantum 4, 239 (2020)


Alexander E. Ulanov, Egor S. Tiunov and A. I. Lvovsky

Quantum-inspired annealers as Boltzmann generators for machine learning and statistical physics

D. Drahi, D. V. Sychev, K. K. Pirov, E. A. Sazhina, V. A. Novikov, I. A. Walmsley and A. I. Lvovsky

Quantum interface between single- and dual-rail optical qubits

Demid V. Sychev, Valeriy A. Novikov, Khurram K. Pirov, Christoph Simon and A. I. Lvovsky

Entanglement of macroscopically distinct states of light

Optica 6, 1425 (2019)
A.K. Fedorov, A.V. Akimov, J.D. Biamonte, A.V. Kavokin, F.Ya. Khalili, E.O. Kiktenko, N.N. Kolachevsky, Y.V. Kurochkin, A.I. Lvovsky, A.N. Rubtsov, G.V. Shlyapnikov, S.S. Straupe, A.V. Ustinov and A.M. Zheltikov

Quantum technologies in Russia

Quantum Science and Technologies, 4 (2019) 040501.
E. Tiunov, A. E. Ulanov and A. I. Lvovsky

Annealing by simulating the coherent Ising machine

Optics Express 7, 10288-10295 (2019)
S. Jalnapurkar, P. Anderson, E. S. Moiseev, P. Palittapongarnpim, A. Narayanan, P. E. Barclay and A. I. Lvovsky

Measuring fluorescence by observing field quadrature noise

Optics Letters 44, 1678-1681 (2019)


A. K. Fedorov, E. O. Kiktenko and A. I. Lvovsky

Quantum computers put blockchain security at risk (Comment)

Nature 56, 465-467 (2018)
D. V. Sychev, A. E. Ulanov, A. A. Pushkina, E. Tiunov, V. Novikov and A. I. Lvovsky

Entanglement and teleportation between polarization and wave-like encodings of an optical qubit

Nature Communications 9, 3672 (2018)
A. Ghosh, D. Gelbwaser-Klimovsky, W. Niedenzu, A. Lvovsky, I. Mazets, M. O. Scully and G. Kurizki

Two-level masers as heat-to-work converters

Proceedings of the National Academy of Sciences 115, 9941-9944 (2018)
E.O. Kiktenko, N.O. Pozhar, M.N. Anufriev, A.S. Trushechkin, R.R. Yunusov, Y.V. Kurochkin, A.I. Lvovsky and A.K. Fedorov

Quantum-secured blockchain

Quantum Science and Technology 3, 035004 (2018)
P. Anderson, S. Jalnapurkar, E. Moiseev, D. Chang, P. Barclay, A. Lezama and A.I. Lvovsky

Optical nanofiber temperature monitoring via double heterodyne detection

AIP Advances 8, 055005 (2018)


A. V. Masalov, A. Kuzhamuratov and A. I. Lvovsky

Noise spectra in balanced optical detectors based on transimpedance amplifiers

Review of Scientific Instruments 88, 113109 (2017)
D. Sychev, A. E. Ulanov, A. A. Pushkina, M. W. Richards, I. A. Fedorov and A. I. Lvovsky

Enlargement of optical Schrödinger's cat states

Nature Photonics 11, 379-382 (2017)
I. A. Fedorov, A. E. Ulanov, Y. Kurochkin and A. I. Lvovsky

Synthesis of the Einstein-Podolsky-Rosen entanglement in a sequence of two single-mode squeezers

Optics Letters 42, 132 - 134 (2016)
A. E. Ulanov, D. Sychev, A. A. Pushkina, I. A. Fedorov and A. I. Lvovsky

Quantum Teleportation Between Discrete and Continuous Encodings of an Optical Qubit

Physical Review Letters 118, 160501 (2017)


F. Yang, A. Tashchilina, E. S. Moiseev, C. Simon and A. I. Lvovsky

Far-field linear optical superresolution via heterodyne detection in a higher-order local oscillator mode

Optica 3, 1148 – 1152 (2016)
A. E. Ulanov, I. A. Fedorov, D. Sychev, P. Grangier and A. I. Lvovsky

Loss-tolerant quantum enhanced metrology and state engineering via the reverse Hong-Ou-Mandel effect

Nature Communications 7, 11925 (2016)


A. E. Ulanov, I. A. Fedorov, A. A. Pushkina, Y. Kurochkin, T. C. Ralph and A. I. Lvovsky

Undoing the effect of loss on quantum entanglement

Nature Photonics 9, 764-769 (2015)
I. A. Fedorov, A. K. Fedorov, Y. V. Kurochkin and A. I. Lvovsky

Complete characterization of a multimode quantum black box

New Journal of Physics 17, 043063 (2015)
Z. Qin, A. S. Prasad, T. Brannan, A. MacRae, A. Lezama and A. I. Lvovsky

Complete temporal characterization of a single photon

Light: Science and Applications 4, e298 (2015)
I. A. Fedorov, A. E. Ulanov, Y. Kurochkin and A. I. Lvovsky

Quantum vampire: collapse-free action at a distance by the photon annihilation operator

Optica 2, 112 - 115 (2015)
A. I. Lvovsky

Squeezed light

Section in book: Photonics Volume 1: Fundamentals of Photonics & Physics, pp.121-164. Edited by D.Andrews. Wiley, West Sussex, 2015


D. Hogg, D. W. Berry and A. I. Lvovsky

Efficiencies of Quantum Optical Detectors

Physical Review A 90,053846 (2014)
T. Brannan, Z. Qin, A. MacRae and A. I. Lvovsky

Generation and tomography of arbitrary qubit states in a transient collective atomic excitation

Optics Letters 39, 5447 – 5450 (2014)
R. Ghobadi, S. Kumar, B. Pepper, D. Bouwmeester, A.I. Lvovsky and C. Simon

Opto-mechanical micro-macro entanglement

Physical Review Letters 112, 080503 (2014)
Y. Kurochkin, A. S. Prasad and A. I. Lvovsky

Distillation of the two-mode squeezed state

Physical Review Letters 112, 070402 (2014)


A. I. Lvovsky, R. Ghobadi, C. Simon, A. Chandra and A. S. Prasad

Observation of micro-macro entanglement of light

Nature Physics 9, 541-544 (2013)
R. Blatt, A. I. Lvovsky and G. J. Milburn

The 20th anniversary of quantum state engineering

Journal of Physics B: Atomic, Molecular and Optical Physics (special issue) 46, 100201 (2013)
R. Thomas, C. Kupchak, G. S. Agarwal and A. I. Lvovsky

Observation of electromagnetically induced transparency in evanescent fields

Optics Express 21, 6880 - 6888 (2013)
R. Kumar, E. Barrios, C. Kupchak and A. I. Lvovsky

Experimental characterization of bosonic creation and annihilation operators

Physical Review Letters 110, 130403 (2013)
A. I. Lvovsky

A quantum delivery note (News and Views article)

Nature Physics 9, 5 - 6 (2013)


A. Anis and A. I. Lvovsky

Maximum-likelihood coherent-state quantum process tomography

New Journal of Physics 14, 105021 (2012)
A. MacRae, T. Brannan, R. Achal and A. I. Lvovsky

Generation of arbitrary quantum states from atomic ensembles

Physics in Canada 68, 137 - 138 (2012)
R. Kumar, E. Barrios, A. MacRae, E. Cairns, E. H. Huntington and A. I. Lvovsky

Versatile Wideband Balanced Detector for Quantum Optical Homodyne Tomography

Optics Communications 285, 5259 - 5267 (2012)
A. MacRae, T. Brannan, R. Achal and A. I. Lvovsky

Tomography of a High-Purity Narrowband Photon From a Transient Atomic Collective Excitation

Physical Review Letters 109, 033601 (2012)
P. Palittapongarnpim, A. MacRae and A. I. Lvovsky

A monolithic filter cavity for experiments in quantum optics

Review of Scientific Instruments 83, 066101 (2012)


D. W. Berry and A. I. Lvovsky

Preservation of loss in linear-optical processing

Physical Review A 84, 042304 (2011)
B. He, A. MacRae, Y. Han, A. I. Lvovsky and C. Simon

Transverse multimode effects on the performance of photon-photon gates

Physical Review A 83, 022312 (2011)
S. Rahimi-Keshari, A. Scherer, A. Mann, A. T. Rezakhani, A. I. Lvovsky and B. C. Sanders

Quantum process tomography with coherent states

New Journal of Physics 13, 013006 (2011) [Selected for New Journal of Physics Highlights of 2011]
Y. Chi, B. Qi, W. Zhu, L. Qian, H.-K. Lo, S.-H. Youn, A. I. Lvovsky and L. Tian

A balanced homodyne detector for high-rate Gaussian-modulated coherent-state quantum key distribution

New Journal of Physics 13, 013003 (2011)


N. Jain, S. R. Huisman, E. Bimbard and A. I. Lvovsky

A bridge between the single-photon and squeezed-vacuum state

Optics Express 18, 18254 (2010)
D. W. Berry and A. I. Lvovsky

Linear-optical processing cannot increase photon efficiency

Physical Review Letters 105, 203601 (2010)
E. Bimbard, N. Jain, A. MacRae and A. I. Lvovsky

Quantum-optical state engineering up to the two-photon level

Nature Photonics 4, 243 (2010)


A. I. Lvovsky, B. C. Sanders and W. Tittel

Optical quantum memory

Nature Photonics 3, 706 - 714 (2009)
M. Lobino, C. Kupchak, E. Figueroa and A. I. Lvovsky

Memory for Light as a Quantum Process

Physical Review Letters 102, 203601 (2009)
S. R. Huisman, Nitin Jain, S. A. Babichev, Frank Vewinger, A. N. Zhang, S. H. Youn and A. I. Lvovsky

Instant single-photon Fock state tomography

Optics Letters 34, 2739 - 2741 (2009)
G. Campbell, A. Ordog and A. I. Lvovsky

Multimode electromagnetically-induced transparency on a single atomic line

New Journal of Physics 11, 103021 (2009)
J. Appel, A. MacRae and A. I. Lvovsky

Versatile digital GHz phase lock for external cavity diode lasers

Measurement Science and Technology 20, 055302 (2009)
K. Kuntz, B. Braverman, S.-H. Youn, M. Lobino, E. M. Pessina and A. I. Lvovsky

Spatial and temporal characterization of a Bessel beam produced using a conical mirror

Physical Review A 79, 043802 (2009)
A.I.Lvovsky and M.G.Raymer

Continuous-variable optical quantum state tomography

Reviews of Modern Physics 81, 299 (2009)
E. Figueroa, M. Lobino, D. Korystov, J. Appel and A. I. Lvovsky

Propagation of squeezed vacuum under electromagnetically induced transparency

New Journal of Physics 11, 013044 (2009)


B. Braverman, K. Kuntz, M. Lobino, E. M. Pessina and A. I. Lvovsky

Measurement of superluminal phase and group velocities of Bessel beams in free space

M. Lobino, D. Korystov, C. Kupchak, E. Figueroa, B. C. Sanders and A. I. Lvovsky

Complete Characterization of Quantum-Optical Processes

Science 322, 563 (2008)
A. MacRae, G. Campbell and A. I. Lvovsky

Matched Slow Pulses Using Double Electromagnetically Induced Transparency

Optics Letters 33, 2659 (2008)
J. Appel, E. Figueroa, D. Korystov, M. Lobino and A. I. Lvovsky

Quantum memory for squeezed light

Physical Review Letters 100, 093602 (2008)
P. Marzlin, J. Appel and A. I. Lvovsky

Photons as quasicharged particles

Physical Review A 77, 043813 (2008)


F. Vewinger, J. Appel, E. Figueroa and A. I. Lvovsky

Adiabatic frequency conversion of quantum optical information in atomic vapor

Optics Letters 32, 2771 (2007)
A. I. Lvovsky, W. Wasilewski and K. Banaszek

Decomposing a pulsed optical parametric amplifier into independent squeezers

Journal of Modern Optics 54, 721 (2007)
J. Appel, D. Hoffman, E. Figueroa and A. I. Lvovsky

Electronic noise in optical homodyne tomography

Physical Review A 75, 035802 (2007)
D. W. Berry, A. I. Lvovsky and B. C. Sanders

Efficiency limits for linear optical processing of single photons and single-rail qubits

Journal of the Optical Society of America B 24, 189 (2007)
J. Řeháček, Z. Hradil, E. Knill and A. I. Lvovsky

Diluted maximum-likelihood algorithm for quantum tomography

Physical Review A 75, 042108 (2007)
M. Oberst, F. Vewinger and A. I. Lvovsky

Time-resolved probing of the ground state coherence in rubidium

Optics Letters 32, 1755 (2007)


JJ. Appel, K.-P. Marzlin and A. I. Lvovsky

Raman adiabatic transfer of optical states

Physical Review A 73, 013804 (2006)
D. W. Berry, A. I. Lvovsky and B. C. Sanders

Interconvertibility of single-rail optical qubits

Optics Letters 31, 107 (2006)
E. Figueroa, F. Vewinger, J. Appel and A. I. Lvovsky

Decoherence of electromagnetically-induced transparency in atomic vapor

Optics Letters 31, 2625 (2006)
W. Wasilewski, A. I. Lvovsky, K. Banaszek and C. Radzewicz

Pulsed squeezed light: simultaneous squeezing of multiple modes

Physical Review A 73, 063819 (2006)


R. Horn, S. A. Babichev, K.-P. Marzlin, A. I. Lvovsky and B. C. Sanders

Single qubit optical quantum fingerprinting

Physical Review Letters 95, 150502 (2005)
R. T. Horn, A. J. Scott, J. Walgate, R. Cleve, A. I. Lvovsky and B. C. Sanders

Classical and quantum fingerprinting with shared randomness and one-sided error

Quantum information and computation 5, 258 (2005)


S. A. Babichev, B. Brezger and A. I. Lvovsky

Remote preparation of a single-mode photonic qubit by measuring field quadrature noise

Physical Review Letters 92, 047903 (2004)
A.I. Lvovsky

Iterative maximum-likelihood reconstruction in quantum homodyne tomography

Journal of Optics B: Quantum and Semiclassical Optics 6 (2004) S556
S. A. Babichev, J. Appel and A. I. Lvovsky

Homodyne tomography characterization and nonlocality of a dual-mode optical qubit

Physical Review Letters 92, 193601 (2004)


J. Ries, B. Brezger and A. I. Lvovsky

Experimental Vacuum Squeezing in Rubidium Vapor via Self-Rotation

Physical Review A 68, 025801 (2003)
S. A. Babichev, J. Ries and A. I. Lvovsky

Quantum scissors: teleportation of single-mode optical states by means of a nonlocal single photon

Europhysics Letters 64, 1 (2003)


T. Aichele, A. I. Lvovsky and S. Schiller

Optical mode characterization of single photons prepared via conditional measurements on a biphoton state

European Physical Journal D 18, 237 (2002)
A. I. Lvovsky and J. H. Shapiro

Nonclassical character of statistical mixtures of the single-photon and vacuum optical states

Physical Review A 65, 033830 (2002)
A. I. Lvovsky

Cabello’s nonlocality and linear optics

Physical Review Letters 88, 098901 (2002)
A. I. Lvovsky and S. A. Babichev

Synthesis and tomographic characterization of the displaced Fock state of light

Physical Review A (Rapid communications) 66, 011801 (2002)
A. I. Lvovsky and J. Mlynek

Quantum-optical catalysis: generating nonclassical states of light by means of linear optics

Physical Review Letters 88, 250401 (2002)
H. Held, A. I. Lvovsky, X. Wei and Y. R. Shen

Bulk contribution from isotropic media in surface sum-frequency generation

Physical Review B 66, 205110 (2002)
A. I. Lvovsky, S. R. Hartmann and F. Moshary

Superfluorescence-stimulated photon echo

Physical Review Letters 89, 263602 (2002)


E.V. Kovalchuk, D. Dekorsy, A. I. Lvovsky, C. Braxmaier, A. Peters, J. Mlynek and S. Schiller

High-resolution Doppler-free molecular spectroscopy using a continuous-wave optical parametric oscillator

Optics Letters 26, 1430 (2001)
A. I. Lvovsky, H. Hansen, T. Aichele, O. Benson, J. Mlynek and S. Schiller

Quantum State Reconstruction of the Single-Photon Fock State

Physical Review Letters 87, 050402 (2001)
M. Oh-e, A. I. Lvovsky, X. Wei, D. Kim and Y. R. Shen

Nonlinear optical studies of surface structures of rubbed polyimides and adsorbed liquid crystal monolayers

Molecular Crystals and Liquid Crystals 364, 427 (2001)
H. Hansen, T. Aichele, C. Hettich, P. Lodahl, A. I. Lvovsky, J. Mlynek and S. Schiller

An ultra-sensitive pulsed balanced homodyne detector: Application to time-domain quantum measurements

Optics Letters 26, 1714 (2001)


X. Wei, S.-C. Hong, A. I. Lvovsky, H. Held and Y. R. Shen

Evaluation of surface vs. bulk contributions in sum-frequency vibrational spectroscopy using reflection and transmission geometries

Journal of Physical Chemistry B 104, 3349 (2000)
M. Oh-e, A. I. Lvovsky, X. Wei and Y. R. Shen

Sum-frequency generation (SFG) vibrational spectroscopy of side alkyl chain structures of polyimide surfaces

Journal of Chemical Physics, 113, 8827 (2000)


A. I. Lvovsky, S. R. Hartmann and F. Moshary

Omnidirectional Superfluorescence

Physical Review Letters 82, 4420 (1999)
A. I. Lvovsky and S. R. Hartmann

Superradiant self-diffraction

Physical Review A 59, 4052 (1999)


A. I. Lvovsky and S. R. Hartmann

Coherent Fan Emissions

Journal of Physics B 31, 3997 (1998)


A. I. Lvovsky and S. R. Hartmann

Time-delayed second-harmonic generation in cesium vapor

Physical Review A 56, 4254 (1997)


A. I. Lvovsky and S. R. Hartmann

Photon echo modulation effects in cesium vapor

Laser Physics, 6, 535 (1996)