►A. Ben-Yehuda, O. Sefi, Y. Klein, H. Schwartz, E. Cohen, R. H. Shukrun & S. Shwartz “High-resolution computed tomography with scattered X-ray radiation and a single pixel detector“, Communications Engineering volume 3, Article number: 39 (2024) .


► M. Manni ,A. Ben-Yehuda, Y. Klein, B. Lukic, A. Kingston, A. Rack, S. Shwartz, and N. Viganò.Synchrotron-based x ray fluorescence ghost imaging” ,Optics Letters 6271 , Vol. 48, No. 23 (2023).

► D. D. Angelis, E. Principi , F. Bencivenga, D. Fausti, L. Foglia, Y. Klein, M. Manfredda, R. Mincigrucci, A Montanaro , E. Pedersoli , J. Stefano, P. Cresi, G. Perosa , K. C. Prince , E. Razzoli , S. Shwartz, A. Simoncig, S. Spampinati, C. Svetina , J. Szlachetko , A. Tripathi, I. A. Vartanyants , M. Zangrando, and F. Capotondi . “Free electron laser stochastic spectroscopy revealing silicon bond softening dynamics” ,Physical Review B 107, 214305 (2023).

►Y. Klein, A.K. Tripathi, E. Strizhevsky , F. Capotondi, D. Angelis , L. Giannessi, M. Pancaldi , E. Pedersoli , K. C. Prince, O. Sefi, Y. Y. Kim, I. A. Vartanyants , and S. Shwartz. “High-spectral-resolution absorption measurements with free-electron lasers using ghost spectroscopy” , Physical Review A 107, 053503 (2023).


► Y. Klein, O. Sefi, H. Schwartz and S. Shwartz “Chemical element mapping by x ray computational ghost flurescence“, OPTICA 441682, Vol. 9, ,Issue 1 (2022). This article was highlighted in Optics and Photonics news magazine and has been covered by several major media outlets (Laser Focus World,, SciTech Daily).


► S. Sofer, O. Sefi, A. G. A. Nisbet , and S. Shwartz “Measurements of polarization dependencies in parametric down-conversion of x rays into ultraviolet radiation” Physical Review B 104, 085207 (2021).

► E. Strizhevsky, D. Borodin, A. Schori , S. Francoual , R. Röhlsberger , and S. Shwartz, “Efficient Interaction of Heralded X-Ray Photons with a Beam Splitter ” Physical Review Letters 127, 013603 (2021).

► S. Shwartz “Single-pixel imaging with high-energy electromagnetic radiation and particles” Science Bulletin, article in press.


► O. Sefi, Y. Klein, E. Strizhevsky, I.P. Dolbnya  and  S. Shwartz “X-ray imaging of fast dynamics with single-pixel detector”  Optics Express 24568, Vol. 28, No. 17 (2020).
This article was highlighted in a news release by the Optical Society online magazine.

► S. Volkovich and  S. Shwartz “Subattosecond x-ray Hong–Ou–Mandel metrology”  Optics Letters 2728 , Vol. 45, No. 10 (2020). 

► S. Mukamel, M. Freyberger , W.Schleich, M. Bellini , A. Zavatta , G. Leuchs, C. Silberhorn , R. W. Boyd, L. L. Sánchez-Soto , A. Stefanov , M. Barbieri, A. Paterova, L. Krivitsky, S. Shwartz, K. Tamasaku, K. Dorfman , F. Schlawin, V. Sandoghdar , M. Raymer , A. Marcus, O. Varnavski, T. Goodson, Z.-Y. Zhou, B. S. Shi , S. Asban , M. Scully, G. Agarwal , T. Peng , A. V. Sokolov, Z.D. Zhang , M. S. Zubairy , I. A Vartanyants, E. del Valle and F. Laussy “Roadmap on quantum light spectroscopy”  Journal of Physics B: Atomic, Molecular and Optical Physics , 53 072002 (2020).


► S. Sofer, O. Sefi, E. Strizhevsky , H. Aknin , S.P. Collins, G. Nisbet , B. Detlefs , Ch.J. Sahle  and
S. Shwartz “Observation of strong nonlinear interactions in parametric down-conversion of X-rays into ultraviolet radiation ” Nature Communications, Vol. 10, No.5673 (2019).

► R. Cohen and S. Shwartz “Theory of nonlinear interactions between x rays and optical radiation in crystals”, Physical Review Research 1, 033133 (2019).

► S. Sofer, E. Strizhevsky, A. Schori, K. Tamasaku, and S. Shwartz “Quantum Enhanced X-ray Detection ”, Physical Review X 9, 031033 (2019).
The article was highlighted in Physics magazine and the New scientist magazine.

► E. Minerbi and S. Shwartz “Difference frequency generation of ultraviolet from x-ray pulses in opaque materials” ,Journal of the Optical Society of America B, Vol. 36, No.3 (2019).

► Y. Klein, A. Schori , I. P. Dolbnya, K. Sawhney and S. Shwartz “X-ray computational ghost imaging with single-pixel detector” , Optic Express 3284,  Vol. 27, No. 3 (2019).

► D. Borodin,  A. Schori,  J.-P. Rueff, J. M. Ablett, and S. Shwartz “Evidence for Collective Nonlinear Interactions in X Ray into Ultraviolet Parametric Down-Conversion ”, Physical Review Letters, 122, 023902 (2019).


► A. Schori, D. Borodin, K. Tamasaku, and S. Shwartz “Ghost imaging with paired x-ray photons“, Phys. Rev. A 97, 063804 (2018).


► A. Schori, C. Bömer, D. Borodin, S. P. Collins, B. Detlefs, M. Moretti Sala, S. Yudovich, and
S. Shwartz, “Parametric Down-Conversion of X Rays into the Optical Regime“, Physical Review Letters, 119, 253902 (2017).

► A. Schori and S. Shwartz “X-ray ghost imaging with a laboratory source”, Optics Express Vol.25
Iss. 13, 14822-14828 (2017).

► D. Borodin , S. Levy , and S. Shwartz  “High energy-resolution measurements of x-ray into ultraviolet parametric down-conversion with an x-ray tube source”, Applied Physics Letters Vol.110, Issue 13 (2017).


► S. Ghimire, M. Fuchs,  J. B. Hastings, S. C. Herrmann,  Y. Inubushi,  J. Pines, S. Shwartz,  M. Yabashi,  and D. A. Reis, “Nonsequential two-photon absorption from the K shell in solid zirconium”, Phys. Rev. A, 94,043418 (2016).

► D. Borodin,  A. Schori,  F. Zontone, and S. Shwartz, “X-ray photon pairs with highly suppressed background”, Phys. Rev. A, 94, 013843 (2016).


► M. Fuchs, M. Trigo, J. Chen, S. Ghimire, S. Shwartz, M. Kozina, M. Jiang, T Henighan, C. Bray,
G. Ndabashimiye, P. H. Bucksbaum, Y. Feng, S. Herrmann , G.A. Carini, J. Pines, P. Hart, C. Kenney , S. Guillet , S. Boutet , G. Williams , M. Messerschmidt , M. Seibert , S. Möller , J. B. Hastings and D. A. Reis “Anomalous nonlinear X-ray Compton scattering”, Nature Physics 3452, 10.1038 (2015).

► S. Yudovich and S. Shwartz, “Second-harmonic generation of focused ultrashort x-ray pulses”, Journal of the Optical Society of America B . Vol. 32, No. 9 (2015).

► E. Shwartz and S. Shwartz, “Difference-Frequency Generation of Optical Radiation from Two-Color X-Ray Pulses”, Optics Express Vol. 23, Iss. 6, pp. 7471–7480  (2015).
** This article was selected for publication in the most recent issue of the  “Virtual Journal for Biomedical” (VJBO), Volume 10, Issue 4.


► S. Yudovich and S. Shwartz, “X-ray-pulse characterization by spectral shearing interferometry using three-wave mixing”, Physical Review A 90, 033805 (2014).

► S. Shwartz, M. Fuchs, J. B. Hastings, Y. Inubushi, T. Ishikawa, T. Katayama,  D. A. Reis, T. Sato, K. Tono, M. Yabashi, S. Yudovich, and S. E. Harris, “X-Ray Second Harmonic Generation”, Physical Review Letters, 112, 163901 (2014).


► T.E. Glover, D.M. Fritz, M. Cammarata, T.K. Allison, Sinisa Coh, J.M. Feldkamp, H. Lemke, D. Zhu, R.N. Coffee, M. Fuchs, S. Ghimire, J. Chen, S. Shwartz, D.A. Reis, S.E. Harris, and J. B. Hastings, “X-ray and optical wave mixing”, Nature, 488, 603 (2012).

► S. Shwartz, R. N. Coffee, J. M. Feldkamp, Y. Feng, J. B. Hastings, G. Y. Yin, and S. E. Harris,
X-ray Parametric Down-Conversion in the Langevin Regime”, Physical Review Letters, 109, 013602 (2012).


► S. Shwartz and S. E Harris, “Polarization Entangled Photons at X-Ray Energies”, Physical Review Letters, 106, 080501 (2011).

► S. Shwartz, K.V. Adarsh, M. Segev, E. Lakin, E. Zolotyoyabko, and U. El-Hanany, “Persistent light-induced change in the effective band gap and reversible control over the effective band gap in bulk semiconductor crystals“, Physical Review B (Rapid Communication), 83, 241201(R), (2011).


► S. Shwartz, M. Segev, S. Berger, E. Zolotoyabko, and U. El-Hanany, “Light-induced ionic polarization in CdZnTe:V semiconductors giving rise to giant nonlinearities”, Physical Review B 79, 193202 (2009).


► S. Shwartz, M. Segev, E. Zolotoyabko, and U. El-Hanany, “Spatial modulation instability driven by light-enhanced nonlinearities in semiconductor CdZnTe:V crystals”, Applied Physics Letters 93, 101116 (2008).


► S. Shwartz, R. Weil, M. Segev, E. Lakin, E. Zolotoyabko, V. M. Menon, S. R. Forrest, and U. El-Hanany, “Light-induced symmetry breaking and related giant enhancement of nonlinear properties in CdZnTe:V crystals”, Optics Express 14, 9385 (2006).


► S. Shwartz, M. Segev, and U. El-Hanany, “Self-deflection and all-optical beam steering in CdZnTe”, Optics letters, 29 760 (2004)


►T. Schwartz, Y. Ganor, T. Carmon, R. Uzdin, S. Shwartz, M. Segev, and U. El-Hanany, “Photorefractive solitons and light-induced resonance control in semiconductor CdZnTe”, Optics Letters, 27 1229 (2002).