Dr Evgeny Chekhovich

All publications

Journal articles

• Gillard G, Clarke E & Chekhovich EA (2022) Harnessing many-body spin environment for long coherence storage and high-fidelity single-shot qubit readout. Nature Communications, 13(1).
• Gillard G, Griffiths IM, Ragunathan G, Ulhaq A, McEwan C, Clarke E & Chekhovich EA (2021) Fundamental limits of electron and nuclear spin qubit lifetimes in an isolated self-assembled quantum dot. npj Quantum Information, 7(1).
• Waeber AM, Gillard G, Ragunathan G, Hopkinson M, Spencer P, Ritchie DA, Skolnick MS & Chekhovich EA (2019) Pulse control protocols for preserving coherence in dipolar-coupled nuclear spin baths. Nature Communications, 10(1). View this article in WRRO
• Ragunathan G, Kobak J, Gillard G, Pacuski W, Sobczak K, Borysiuk J, Skolnick MS & Chekhovich EA (2019) Direct measurement of hyperfine shifts and radio frequency manipulation of nuclear spins in individual CdTe/ZnTe quantum dots. Physical Review Letters, 122(9). View this article in WRRO
• Chekhovich EA, Griffiths IM, Skolnick MS, Huang H, da Silva SFC, Yuan X & Rastelli A (2018) Cross calibration of deformation potentials and gradient-elastic tensors of GaAs using photoluminescence and nuclear magnetic resonance spectroscopy in GaAs/AlGaAs quantum dot structures. PHYSICAL REVIEW B, 97(23).
• Chekhovich EA, Ulhaq A, Zallo E, Ding F, Schmidt OG & Skolnick MS (2017) Measurement of the spin temperature of optically cooled nuclei and GaAs hyperfine constants in GaAs/AlGaAs quantum dots. Nature Materials, 16(10), 982-986. View this article in WRRO
• Ulhaq A, Duan Q, Zallo E, Ding F, Schmidt OG, Tartakovskii AI, Skolnick MS & Chekhovich EA (2016) Vanishing electron factor and long-lived nuclear spin polarization in weakly strained nanohole-filled GaAs/AlGaAs quantum dots. Physical Review B, 93(16). View this article in WRRO
• Waeber AM, Hopkinson M, Farrer I, Ritchie DA, Nilsson J, Stevenson RM, Bennett AJ, Shields AJ, Burkard G, Tartakovskii AI , Skolnick MS et al (2016) Few-second-long correlation times in a quantum dot nuclear spin bath probed by frequency-comb nuclear magnetic resonance spectroscopy. Nature Physics, 12(7), 688-693. View this article in WRRO
• Schwarz S, Dufferwiel S, Walker PM, Withers F, Trichet AAP, Sich M, Li F, Chekhovich EA, Borisenko DN, Kolesnikov NN , Novoselov KS et al (2014) Two-Dimensional Metal–Chalcogenide Films in Tunable Optical Microcavities. Nano Letters, 14(12), 7003-7008. View this article in WRRO
• Chekhovich EA, Makhonin MN, Tartakovskii AI, Yacoby A, Bluhm H, Nowack KC & Vandersypen LMK (2013) Nuclear spin effects in semiconductor quantum dots.. Nat Mater, 12(6), 494-504.
• Chekhovich EA, Makhonin MN, Kavokin KV, Krysa AB, Skolnick MS & Tartakovskii AI (2010) Pumping of nuclear spins by optical excitation of spin-forbidden transitions in a quantum dot.. Phys Rev Lett, 104(6), 066804. View this article in WRRO
• Chekhovich EA, Brichkin AS, Kulakovskii VD, Ivanov SV, Toropov AA & Glazov MM (2010) Fine structure of emission lines from Basic solid state physics charged CdSe/ZnSe/ZnMnSe quantum dots. Physica Status Solidi (B) Basic Research, 247(6), 1535-1538.
• Nikolaenko AE, Chekhovich EA, Makhonin MN, Drouzas IW, Van'kov AB, Skiba-Szymanska J, Skolnick MS, Senellart P, Martrou D, Lemaitre A & Tartakovskii AI (2009) Suppression of nuclear spin diffusion at a GaAs/AlxGa1-xAs interface measured with a single quantum-dot nanoprobe. PHYS REV B, 79(8).
• Skiba-Szymanska J, Chekhovich EA, Nikolaenko AE, Tartakovskii AI, Makhonin MN, Drouzas I, Skolnick MS & Krysa AB (2008) Overhauser effect in individual InP/GaxIn1-xP dots. PHYS REV B, 77(16).
• Chernenko AV, Brichkin AS, Kulakovskii VD, Chekhovich EA, Ivanov SV & Toropov AV (2007) Fine structure of electron-hole complexes in single semimagnetic quantum dots. AIP Conference Proceedings, 893, 891-892.
• Brichkin AS, Chernenko AV, Chekhovich EA, Dorozhkin PS, Kulakovskii VD, Ivanov SV & Toropov AA (2007) Negatively charged excitons in semimagnetic CdSe/ZnSe/ZnMnSe quantum dots. Journal of Experimental and Theoretical Physics, 105(2), 379-387.
• Chekhovich EA, Brichkin AS, Chernenko AV, Kulakovskii VD, Sedova IV, Sorokin SV & Ivanov SV (2007) Effect of sp-d exchange interaction on excitonic states in CdSeZnSe Zn1-x Mnx Se quantum dots. Physical Review B - Condensed Matter and Materials Physics, 76(16).
• Schimpf C, Basset FB, Aigner M, Attenender W, Ginés L, Undeutsch G, Reindl M, Huber D, Gangloff D, Chekhovich EA , Schneider C et al () Hyperfine interaction limits polarization entanglement of photons from semiconductor quantum dots. Physical Review B, 108(8).
• Millington-Hotze P, Manna S, Covre da Silva SF, Rastelli A & Chekhovich EA () Nuclear spin diffusion in the central spin system of a GaAs/AlGaAs quantum dot. Nature Communications, 14(1).
• Zaporski L, Shofer N, Bodey JH, Manna S, Gillard G, Appel MH, Schimpf C, Covre da Silva SF, Jarman J, Delamare G , Park G et al () Ideal refocusing of an optically active spin qubit under strong hyperfine interactions. Nature Nanotechnology.
• Chekhovich EA () Keyhole Resonators for Subwavelength Focusing of Microwave Magnetic Fields in Optically Detected Electron Spin Resonance. Physical Review Applied, 15(3).
• Chekhovich EA, da Silva SFC & Rastelli A () Nuclear spin quantum register in an optically active semiconductor quantum dot. Nature Nanotechnology.
• Griffiths IM, Huang H, Rastelli A, Skolnick MS & Chekhovich EA () Complete characterization of GaAs gradient-elastic tensors and reconstruction of internal strain in GaAs/AlGaAs quantum dots using nuclear magnetic resonance. Physical Review B, 99(12).
• Chekhovich EA, Hopkinson M, Skolnick MS & Tartakovskii AI () Quadrupolar induced suppression of nuclear spin bath fluctuations in self-assembled quantum dots. Nature Communications, 6, 6348. View this article in WRRO
• Pozo-Zamudio OD, Schwarz S, Sich M, Akimov IA, Bayer M, Schofield RC, Chekhovich EA, Robinson BJ, Kay ND, Kolosov OV , A I Dmitriev et al () Photoluminescence of two-dimensional GaTe and GaSe films. 2D Materials, 2(3), 035010-035010. View this article in WRRO
• Bulutay C, Chekhovich EA & Tartakovskii AI () Nuclear magnetic resonance inverse spectra of InGaAs quantum dots: Atomistic level structural information. Physical Review B, 90(20).
• Puebla J, Chekhovich EA, Hopkinson M, Senellart P, Lemaitre A, Skolnick MS & Tartakovskii AI () Dynamic nuclear polarization in InGaAs/GaAs and GaAs/AlGaAs quantum dots under non-resonant ultra-low power optical excitation. Phys. Rev. B, 88, 045306. View this article in WRRO
• Sercombe D, Schwarz S, Pozo-Zamudio OD, Liu F, Robinson BJ, Chekhovich EA, Tartakovskii II, Kolosov O & Tartakovskii AI () Optical investigation of the natural electron doping in thin MoS2 films deposited on dielectric substrates. Scientific Reports, 3, 3489. View this article in WRRO
• Chekhovich EA, Krysa AB, Hopkinson M, Senellart P, Lemaitre A, Skolnick MS & Tartakovskii AI () Isotope sensitive measurement of the hole-nuclear spin interaction in quantum dots. Nature Physics, 9, 74-78.
• Luxmoore IJ, Toro R, Pozo-Zamudio OD, Wasley NA, Chekhovich EA, Sanchez AM, Beanland R, Fox AM, Skolnick MS, Liu HY & Tartakovskii AI () III-V quantum light source and cavity-QED on Silicon. Scientific Reports, 3, 1239. View this article in WRRO
• Chekhovich EA, Kavokin KV, Puebla J, Krysa AB, Hopkinson M, Andreev AD, Sanchez AM, Beanland R, Skolnick MS & Tartakovskii AI () High resolution nuclear magnetic resonance spectroscopy of highly-strained quantum dot nanostructures. Nature Nanotechnology, 7, 646.
• Jr ODDC, Sercombe D, Puebla J, Otubo L, Luxmoore IJ, Sich M, Elliott TJ, Chekhovich EA, Wilson LR, Skolnick MS , Liu HY et al () Effect of the GaAsP shell on optical properties of self-catalyzed GaAs nanowires grown on silicon. Nano Lett., 12, 5269. View this article in WRRO
• Jr ODDC, Puebla J, Chekhovich EA, Luxmoore IJ, Elliott CJ, Babazadeh N, Skolnick MS, Tartakovskii AI & Krysa AB () Charge control in InP/GaInP single quantum dots embedded in Schottky diodes. Phys. Rev. B, 84, 125301.
• Chekhovich EA, Krysa AB, Skolnick MS & Tartakovskii AI () Direct measurement of the hole-nuclear spin interaction in single quantum dots. Phys. Rev. Lett, 106, 027402.
• Chekhovich EA, Krysa AB, Skolnick MS & Tartakovskii AI () Alignment of nuclear spins in single quantum dots using unpolarized light. Phys. Rev. B, 83, 125318.
• Makhonin MN, Chekhovich EA, Senellart P, Lemaitre A, Skolnick MS & Tartakovskii AI () Optically tunable nuclear magnetic resonance in a single quantum dot. Phys. Rev. B, 82, 161309. View this article in WRRO
• Chekhovich EA, Makhonin MN, Skiba-Szymanska J, Krysa AB, Kulakovskii VD, Fal'ko VI, Skolnick MS & Tartakovskii AI () Polarization freezing of 10000 optically-cooled nuclear spins by coupling to a single electron. Phys. Rev. B, 81, 245308.
• Chekhovich EA, Griffiths IM, Skolnick MS, Huang H, da Silva SFC, Yuan X & Rastelli A () Cross calibration of deformation potentials and gradient-elastic tensors of GaAs using photoluminescence and nuclear magnetic resonance spectroscopy in GaAs/AlGaAs quantum dot structures. Physical Review B, 97(23).
• Del Pozo-Zamudio O, Puebla J, Krysa A, Toro R, Sanchez AM, Beanland R, Tartakovskii AI, Skolnick MS & Chekhovich EA () Metalorganic vapor phase epitaxy growth, transmission electron microscopy, and magneto-optical spectroscopy of individual InAsxP1−x/Ga0.5In0.5P quantum dots. Physical Review Materials, 1(3). View this article in WRRO

Conference proceedings papers

• Chekhovich EA (2017) Decoherence and fluctuation dynamics of the quantum dot nuclear spin bath probed by nuclear magnetic resonance. Journal of Physics: Conference Series, Vol. 864, 31 July 2016 - 5 August 2016. View this article in WRRO
• Chekhovich EA (2016) Non-invasive structural analysis of InP quantum dots and other nanostructures using nuclear magnetic resonance. 2016 Compound Semiconductor Week (CSW) [Includes 28th International Conference on Indium Phosphide & Related Materials (IPRM) & 43rd International Symposium on Compound Semiconductors (ISCS), 26 June 2016 - 30 June 2016.
• Elliott CJ, Chekhovich EA, Krysa AB, Skolnick MS & Tartakovskii AI (2010) Growth of low density InP/GaInP quantum dots. QUANTUM DOTS 2010, Vol. 245
• Elliott CJ, Chekhovich EA, Skolnick MS, Tartakovskii AI & Krysa AB (2010) Optimization of low density InP/GaInP quantum dots for single-dot studies. Journal of Physics: Conference Series, Vol. 244

Preprints

• Dyte HE, Gillard G, Manna S, da Silva SFC, Rastelli A & Chekhovich EA (2023) Quantum non-demolition measurement of an electron spin qubit through its low-energy many-body spin environment, arXiv.
• Millington-Hotze P, Dyte HE, Manna S, da Silva SFC, Rastelli A & Chekhovich EA (2023) Approaching a fully-polarized state of nuclear spins in a semiconductor quantum dot, arXiv.
• Millington-Hotze P, Manna S, Silva SFCD, Rastelli A & Chekhovich EA (2022) Nuclear spin diffusion in the central spin system of a GaAs/AlGaAs quantum dot.
• Pozo-Zamudio OD, Schwarz S, Klein J, Schofield RC, Chekhovich EA, Ceylan O, Margapoti E, Dmitriev AI, Lashkarev GV, Borisenko DN , Kolesnikov NN et al () Photoluminescence and Raman investigation of stability of InSe and GaSe thin films.
• Welander E, Chekhovich E, Tartakovskii A & Burkard G () Influence of Nuclear Quadrupole Moments on Electron Spin Coherence in Semiconductor Quantum Dots.