Quantum Photonics Laboratory, University of Warsaw

Our publications

Interface between picosecond and nanosecond quantum light pulses
Filip Sośnicki, Michał Mikołajczyk, Ali Golestani, Michał Karpiński
Nature Photonics 17, 761–766 (2023).
You can view the paper here (for personal non-commercial purposes): https://rdcu.be/dcZPW.
An early preprint is available at: https://arxiv.org/abs/2211.05112.
Check out a News&Views summary of our work (by John Donohue) here: https://www.nature.com/articles/s41566-023-01277-y.

Efficient detection of multidimensional single-photon time-bin superpositions
Adam Widomski, Maciej Ogrodnik, Michał Karpiński
arXiv preprint, arXiv:2308.05523 (2023).

Precise on-chip spectral and temporal control of single-photon-level optical pulses
Adam Widomski, Stanisław Stopiński, Krzysztof Anders, Ryszard Piramidowicz, Michał Karpiński
Journal of Lightwave Technology 41, 6255–6262, (2023).

Electro-optic Fourier transform chronometry of pulsed quantum light
Ali Golestani, Alex O. C. Davis, Filip Sośnicki, Michał Mikołajczyk, Nicolas Treps, Michał Karpiński
Physical Review Letters 129, 123605 (2022).
arXiv preprint arXiv:2205.11554
Theory from Paris & Bath, experiment from Warsaw!

Aberration-corrected time aperture of an electro-optic time lens
Sanjay Kapoor, Filip Sośnicki, Michał Karpiński
arXiv preprint, arXiv:2207.07618 (2022).

Control and measurement of quantum light pulses for quantum information science and technology
Michał Karpiński, Alex O. C. Davis, Filip Sośnicki, Valérian Thiel, Brian J. Smith
Advanced Quantum Technologies 4, 2000150 (2021).
Review paper.

Actuator placement optimization for guided waves based structural health monitoring using fibre Bragg grating sensors
Rohan Soman, Kaleeswaran Balasubramaniam, Ali Golestani, Michał Karpiński, Paweł M. Malinowski, Wiesław M. Ostachowicz
Smart Mater. Struct. 30, 125011 (2021).

Aperiodic electro-optic time lens for spectral manipulation of single-photon pulses
Filip Sośnicki, Michał Mikołajczyk, Ali Golestani, Michał Karpiński
Applied Physics Letters 116, 234003 (2020) (featured article).
arXiv preprint arXiv:2004.07195 (2020).

Pure single photons from scalable frequency multiplexing
T. Hiemstra, T. F. Parker, P. Humphreys, J. Tiedau, M. Beck, M. Karpiński, B. J. Smith, A. Eckstein, W. S. Kolthammer, I. A. Walmsley
Phys. Rev. Applied 14, 014052 (2020),
arXiv preprint arXiv:1907.10355 (2020).

A two-step guided waves based damage localization technique using optical fiber sensors
Rohan Soman, Kaleeswaran Balasubramaniam, Ali Golestani, Michał Karpiński, Paweł Malinowski
Sensors 20, 5804 (2020).

Shaking the phase of light
Michał Karpiński
Nature Photonics 13, 306–308 (2019).
News&Views on the recent work from the group of H. X. Tang @ Yale.

Large-scale spectral bandwidth compression by complex electro-optic temporal phase modulation
Filip Sośnicki, Michał Karpiński
Optics Express 26, 31307–31316 (2018).

Measuring the single-photon temporal-spectral wave function
Alex O. C. Davis, Valérian Thiel, Michał Karpiński, Brian J. Smith
Phys. Rev. Lett. 121, 083602 (2018).

Experimental single-photon pulse characterization by electro-optic shearing interferometry
Alex O. C. Davis, Valérian Thiel, Michał Karpiński, Brian J. Smith
Phys. Rev. A. 98, 023840 (2018).

Engineering the spectral and temporal properties of a GHz-bandwidth heralded single-photon source interfaced with an on-demand, broadband quantum memory
Patrick S. Michelberger, Michał Karpiński, Ian A. Walmsley, Joshua Nunn
Journal of Modern Optics 65, 1668–1679 (2018).

Entanglement swapping for generation of heralded time-frequency-entangled photon pairs
Dashiell L. P. Vitullo, Michael G. Raymer, Brian J. Smith, Michał Karpiński, Lasse Mejling, Karsten Rottwitt,
Phys. Rev. A 98, 026836 (2018).

Measurement of radio-frequency temporal phase modulation with chirped optical pulses
Michał Jachura, Jan Szczepanek, Wojciech Wasilewski, Michał Karpiński
Journal of Modern Optics 65, 262–267 (2018).

Bandwidth manipulation of quantum light by an electro-optic time lens
Michał Karpiński, Michał Jachura (equal contribution), Laura J. Wright, Brian J. Smith
Nature Photonics 11, 53 (2017).
See also our press release!

Pulsed single-photon spectrograph by frequency-to-time mapping using chirped fiber Bragg gratings
Alex O. C. Davis, Paul M. Saulnier, Michał Karpiński, Brian J. Smith
Optics Express 25, 12804–12811 (2017).
Selected for Spotlight on Optics! Here’s a brief summary of our paper!

Spectral shearing of quantum light pulses by electro-optic phase modulation
Laura J. Wright, Michał Karpiński, Christoph Söller, Brian J. Smith
Physical Review Letters 118, 023601 (2017).
arXiv:1605.00640 (2016).

Quantum mechanical which-way experiment with an internal degree of freedom
Konrad Banaszek, Paweł Horodecki, Michał Karpiński, Czesław Radzewicz
Nature Communications 4, 2594 (2013).
See also our press release!