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Nicolás QuesadaDepartment of Engineering Physics
Profile in the Directory of Experts of Polytechnique Montréal
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Arrazola, J. M., Bergholm, V., Brádler, K., Bromley, T. R., Collins, M. J., Dhand, I., Fumagalli, A., Gerrits, T., Goussev, A., Helt, L. G., Hundal, J., Isacsson, T., Israel, R. B., Izaac, J., Jahangiri, S., Janik, R., Killoran, N., Kumar, S. P., Lavoie, J., ... Zhang, Y. (2021). Quantum circuits with many photons on a programmable nanophotonic chip. Nature, 591(7848), 54-60. External link
Bulmer, J. F. F., Paesani, S., Chadwick, R. S., & Quesada, N. (2022). Threshold detection statistics of bosonic states. Physical Review A, 106(4), 043712 (14 pages). External link
Banić, M., Liscidini, M., Quesada, N., & Sipe, J. E. (2021, May). Spontaneous and Stimulated Three Photon Generation [Paper]. Conference on Lasers and Electro-Optics (CLEO_QELS 2021), San Jose, California. External link
Bromley, T. R., Arrazola, J. M., Jahangiri, S., Izaac, J., Quesada, N., Gran, A. D., Schuld, M., Swinarton, J., Zabaneh, Z., & Killoran, N. (2020). Applications of near-term photonic quantum computers: software and algorithms. Quantum Science and Technology, 5(3), 034010. External link
Banchi, L., Quesada, N., & Arrazola, J. M. (2020). Training Gaussian boson sampling distributions. Physical Review A, 102(1), 012417. External link
Björklund, A., Gupt, B., & Quesada, N. (2019). A Faster Hafnian Formula for Complex Matrices and Its Benchmarking on a Supercomputer. ACM Journal of Experimental Algorithmics, 24, 1-17. External link
Cardin, Y., & Quesada, N. (2024). Photon-number moments and cumulants of Gaussian states. Quantum, 8, 19 pages. Available
Chinni, K. R., & Quesada, N. (2024, May). Beyond the parametric approximation: pump depletion, entanglement and squeezing in down-conversion [Paper]. Science and Innovations 2024, Charlotte, NC, USA. External link
Chinni, K., & Quesada, N. (2024). Beyond the parametric approximation: Pump depletion, entanglement, and squeezing in macroscopic down-conversion. Physical Review A, 110(1), 01312 (21 pages). External link
Cifuentes, D., Qi, H., Bradler, K., Israel, R., Kalajdzievski, T., & Quesada, N. (2021, March). Computation of banded hafnians and applications in optical quantum computing [Paper]. Spring Eastern Virtual Sectional Meeting. External link
Dalbec-Constant, N., Thekkadath, G., England, D., Sussman, B., Gerrits, T., & Quesada, N. (2025). Accurate unsupervised photon counting from transition-edge-sensor signals. Physical Review Applied, 24(3), 034018 (18 pages). External link
Deshpande, A., Mehta, A., Vincent, T., Quesada, N., Hinsche, M., Ioannou, M., Madsen, L., Lavoie, J., Qi, H., Eisert, J., Hangleiter, D., Fefferman, B., & Dhand, I. (2022). Quantum computational advantage via high-dimensional Gaussian boson sampling. Science Advances, 8(1), 15 pages. External link
Grier, D., Brod, D. J., Arrazola, J. M., de Andrade Alonso, M. B., & Quesada, N. (2022). The Complexity of Bipartite Gaussian Boson Sampling. Quantum, 6, 44 pages. Available
Gupt, B., Arrazola, J. M., Quesada, N., & Bromley, T. R. (2020). Classical benchmarking of Gaussian Boson Sampling on the Titan supercomputer. Quantum Information Processing, 19(8), 249-249. External link
Gupt, B., Izaac, J., & Quesada, N. (2019). The Walrus: a library for the calculation of hafnians, Hermite polynomials and Gaussian boson sampling. Journal of Open Source Software, 4(44). External link
Houde, M., McCutcheon, W., & Quesada, N. (2024). Matrix decompositions in quantum optics: Takagi/Autonne, Bloch-Messiah/Euler, Iwasawa, and Williamson. Canadian Journal of Physics, 102(10), 497-507. External link
Houde, M., & Quesada, N. (2024). Perfect pulsed inline twin-beam squeezers. Avs Quantum Science, 6(2), 021402. External link
Houde, M., & Quesada, N. (2024, May). Perfect pulsed inline twin-beam squeezers [Paper]. Conference on Lasers and Electro-Optics - Applications and Technologies (CLEO_AT 2024), Charlotte, North Carolina United States. External link
Houde, M., & Quesada, N. (2023). Waveguided sources of consistent, single-temporal-mode squeezed light: The good, the bad, and the ugly. AVS Quantum Science, 5(1), 15 pages. External link
Houde, M., & Quesada, N. (2023, May). Waveguided sources of consistent, single-temporal-mode squeezed light: the good, the bad, and the ugly [Paper]. Conference on Lasers and Electro-Optics (CLEO 2023), San Jose, CA, USA. External link
Houde, M., & Quesada, N. (2022). Squeezed states of waveguided sources with varying brightnesses are partially distinguishable. Quantum 2.0 Conference and Exhibition, 119, QTu2A.28-QTu2A.28. External link
Helt, L. G., & Quesada, N. (2020). Degenerate squeezing in waveguides: a unified theoretical approach. Journal of Physics: Photonics, 2(3), 035001. External link
Jahangiri, S., Arrazola, J. M., Quesada, N., & Killoran, N. (2020). Point processes with Gaussian boson sampling. Physical Review E, 101(2), 022134. External link
Jahangiri, S., Arrazola, J. M., Quesada, N., & Delgado, A. (2020). Quantum algorithm for simulating molecular vibrational excitations. Physical Chemistry Chemical Physics, 22(44), 25528-25537. External link
Kalajdzievski, T., & Quesada, N. (2021). Exact and approximate continuous-variable gate decompositions. Quantum, 5, 394-394. External link
Killoran, N., Bromley, T. R., Arrazola, J. M., Schuld, M., & Quesada, N. (2020). Apparatus and methods for quantum computing and machine learning. (Patent Application no. US20200401920). External link
Killoran, N., Bromley, T. R., Arrazola, J. M., Schuld, M., Quesada, N., & Lloyd, S. (2019). Continuous-variable quantum neural networks. Physical Review Research, 1(3), 033063. External link
Killoran, N., Izaac, J., Quesada, N., Bergholm, V., Amy, M., & Weedbrook, C. (2019). Strawberry Fields: A Software Platform for Photonic Quantum Computing. Quantum, 3, 129-129. External link
Martínez-Cifuentes, J., Guise, H. , & Quesada, N. (2024). Linear cross-entropy certification of quantum computational advantage in Gaussian Boson sampling. PRX Quantum, 5(4), 040312 (44 pages). Available
Martínez-Cifuentes, J., de Guise, H., & Quesada, N. (2024). Linear cross-entropy certification of quantum computational advantage in Gaussian Boson Sampling [Dataset]. External link
Martínez-Cifuentes, J., Romero, K. M. F., & Quesada, N. (2023). Classical models may be a better explanation of the Jiuzhang 1.0 Gaussian Boson Sampler than its targeted squeezed light model. Quantum, 7, 1076 (20 pages). Available
Martínez-Cifuentes, J., Fonseca-Romero, K. M., & Quesada, N. (2022). Classical models are a better explanation of the Jiuzhang 1.0 Gaussian Boson Sampler than its targeted squeezed light model [Dataset]. External link
Miatto, F. M., & Quesada, N. (2020). Fast optimization of parametrized quantum optical circuits. Quantum, 4, 366-366. External link
Moyanno, G. E., & Quesada, N. (2012). Simulación de nanomateriales mediante métodos tipo monte carlo. In Escobar, L. D. L. (ed.), Formación y modelación en ciencias básicas . External link
Osorio Osorio, G. L., Banić, M., & Quesada, N. (2025). Strategies for generating separable photon triplets in waveguides and ring resonators. Quantum Science and Technology. External link
Osorio Osorio, G. L., & Quesada, N. (2025, June). Generation of few-mode photon triplets in high-index-contrast optical fibers [Paper]. SPIE Photonics for Quantum, Waterloo, ON, Canada. External link
Oh, C., Fefferman, B., Jiang, L., & Quesada, N. (2024). Quantum-inspired classical algorithm for graph problems by Gaussian Boson sampling. PRX quantum, 5(2), 020341 (15 pages). Available
Poveda-Hospital, S., Quesada, N., & Peter, Y.-A. (2024). Etching Properties of PIN-PMN-PT and its Integration in Electro-Optic Phase Modulators. Optical Materials Express, 15(3), 522-530. Available
Poveda-Hospital, S., Quesada, N., & Peter, Y.-A. (2024, July). PIN-PMN-PT electro-optic phase modulator [Paper]. International Conference on Optical MEMS and Nanophotonics (OMN 2024), San Sebastian, Spain (2 pages). External link
Poveda-Hospital, S., Peter, Y.-A., & Quesada, N. (2023). Custom nonlinearity profile for integrated quantum light sources. Physical Review Applied, 19(5), 054033 (9 pages). Available
Quesada, N., Houde, M., Beaudoin, L., Hirota, K., & Nehra, R. (2025). Ultrashort-pulse-pumped, single-mode type-0 squeezers in lithium niobate nanophotonics. Optica Quantum, -. External link
Quesada, N., Helt, L. G., Menotti, M., Liscidini, M., & Sipe, J. E. (2022). Beyond photon pairs: Nonlinear quantum photonics in the high-gain regime: a tutorial. Advances in Optics and Photonics, 14(3), 291-403. External link
Quesada, N., Chadwick, R. S., Bell, B. A., Arrazola, J. M., Vincent, T., Qi, H., & Garcia-Patron, R. (2022). Quadratic Speed-Up for Simulating Gaussian Boson Sampling. PRX Quantum, 3(1), 010306 (8 pages). External link
Quesada, N., & Arrazola, J. M. (2020). Exact simulation of Gaussian boson sampling in polynomial space and exponential time. Physical Review Research, 2(2), 023005. External link
Qi, H., Brod, D. J., Quesada, N., & García-Patrón, R. (2020). Regimes of Classical Simulability for Noisy Gaussian Boson Sampling. Physical Review Letters, 124(10), 100502. External link
Quesada, N., Triginer, G., Vidrighin, M. D., & Sipe, J. E. (2020). Theory of high-gain twin-beam generation in waveguides: From Maxwell's equations to efficient simulation. Physical Review A, 102(3), 033519. External link
Quesada, N., & Brańczyk, A. M. (2019). Broadband pseudothermal states with tunable spectral coherence generated via nonlinear optics. Physical Review A, 99(1), 013830. External link
Quesada, N. (2019). Franck-Condon factors by counting perfect matchings of graphs with loops. Journal of Chemical Physics, 150(16), 164113. External link
Quesada, N., Adjei, E., El-Ganainy, R., & Brańczyk, A. M. (2019). Non-Hermitian engineering for brighter broadband pseudothermal light. Physical Review A, 100(4), 043805. External link
Quesada, N., Helt, L. G., Izaac, J., Arrazola, J. M., Shahrokhshahi, R., Myers, C. R., & Sabapathy, K. K. (2019). Simulating realistic non-Gaussian state preparation. Physical Review A, 100(2), 022341. External link
Quesada, N., Arrazola, J. M., & Killoran, N. (2018). Gaussian boson sampling using threshold detectors. Physical Review A, 98(6), 062322. External link
Quesada, N., & Brańczyk, A. M. (2018). Gaussian functions are optimal for waveguided nonlinear-quantum-optical processes. Physical Review A, 98(4), 043813. External link
Quesada, N., & Sipe, J. E. The effects of self- and cross-phase modulation in the generation of bright twin beams using SPDC [Paper]. Conference on Lasers and Electro-Optics (CLEO 2017), San Jose, Calif.. External link
Quesada, N., & Sipe, J. E. (2017). Why you should not use the electric field to quantize in nonlinear optics. Optics Letters, 42(17), 3443-3446. External link
Quesada, N., & Sipe, J. E. (2016, March). High efficiency in Mode Selective Frequency Conversion for Optical Quantum Information Processing [Paper]. APS March Meeting 2016, Baltimore, Maryland. External link
Quesada, N., & Sipe, J. E. (2016). High efficiency in mode-selective frequency conversion. Optics Letters, 41(2), 364-367. External link
Quesada, N., & Sahota, J. (2015, May). Particle vs. mode entanglement in optical quantum metrology [Paper]. Conference on Lasers and Electro-Optics (CLEO 2015), San Jose, California, USA. External link
Quesada, N., & Sipe, J. E. (2015). Time-Ordering Effects in the Generation of Entangled Photons Using Nonlinear Optical Processes. Physical Review Letters, 114(9), 093903. External link
Quesada, N. (2015). Very Nonlinear Quantum Optics [Ph.D. Thesis, University of Toronto]. External link
Quesada, N., & Sipe, J. E. (2014). Effects of time ordering in quantum nonlinear optics. Physical Review A, 90(6), 063840. External link
Quesada, N., & Sanpera, A. (2013). Bound entanglement in the Jaynes–Cummings model. Journal of Physics B: Atomic, Molecular and Optical Physics, 46(22), 224002. External link
Quesada, N., Brańczyk, A. M., & James, D. F. V. (2013, October). Holistic Quantum State and Process Tomography [Paper]. Frontiers in Optics 2013, Orlando, Florida. External link
Quesada, N. (2013, June). Quantum correlations in a mixed full rank qubit-qudit system: Discord and entanglement in the Jaynes-Cummings model [Paper]. Rochester Conferences on Coherence and Quantum Optics and the Quantum Information and Measurement meeting, Rochester, New York. External link
Quesada, N., Brańczyk, A. M., & James, D. F. V. (2013). Self-calibrating tomography for multidimensional systems. Physical Review A, 87(6), 062118. External link
Quesada, N., Brańczyk, A. M., & James, D. F. V. (2013, June). Self-calibrating tomography for non-unitary processes [Paper]. Rochester Conferences on Coherence and Quantum Optics and the Quantum Information and Measurement meeting, Rochester, New York. External link
Quesada, N., Al-Qasimi, A., & James, D. F. V. (2012). Quantum properties and dynamics of X states. Journal of Modern Optics, 59(15), 1322-1329. External link
Quesada, N. (2012). Strong coupling of two quantum emitters to a single light mode: The dissipative Tavis-Cummings ladder. Physical Review A, 86(1), 013836. External link
Quesada, N., Vinck-Posada, H., & Rodríguez, B. A. (2011). Density operator of a system pumped with polaritons: a Jaynes-Cummings-like approach. Journal of Physics: Condensed Matter, 23(2), 025301. External link
Quesada, N., & James, D. F. V. (2011, October). An equation of motion for the concurrence of 2 qubit pure states [Paper]. Frontiers in Optics 2011/Laser Science XXVII, San Jose, California. External link
Quesada, N., & Moyano, G. E. (2011). Programas para la simulación numérica de nanoagregados. Cálculo de propiedades termodinámicas en plataforma distribuidas. External link
Quesada, N., Cárdenas, P. C., Vinck-Posada, H., & Rodríguez, B. A. (2011, October). Strong coupling criterion for two interacting excitons in a nanocavity [Paper]. Frontiers in Optics 2011/Laser Science XXVII, San Jose, California. External link
Quesada, N., & Moyano, G. E. (2010). Melting of Lennard-Jones rare-gas clusters doped with a single impurity atom. Physical Review B, 82(5). External link
Shahrokhshahi, R., Morrison, B., Collins, M. J., Helt, L. G., Quesada, N., Mahler, D. H., Tan, K., Vaidya, V. D., Repingon, A., Lavoie, J., Menotti, M., Pooser, R. C., Lita, A., Nam, S. W., Gerrits, T., & Vernon, Z. (2019, May). Beyond photon pairs: Nanophotonic photon number difference squeezing [Paper]. Conference on Lasers and Electro-Optics, San Jose, California. External link
Sahota, J., Quesada, N., & James, D. F. V. (2016). Physical resources for optical phase estimation. Physical Review A, 94(3), 033817. External link
Sahota, J., Quesada, N., & James, D. F. V. (2016, October). Quantum resources for optical phase estimation [Paper]. Frontiers in Optics 2016, Rochester, New York. External link
Sahota, J., & Quesada, N. (2015). Quantum correlations in optical metrology: Heisenberg-limited phase estimation without mode entanglement. Physical Review A, 91(1), 013808. External link
Thekkadath, G., Houde, M., England, D., Bustard, P. J., Bouchard, F., Quesada, N., & Sussman, B. (2024). Gain-Induced Group Delay in Spontaneous Parametric Down-Conversion. Physical Review Letters, 133(20), 7 pages. External link
Triginer, G., Vidrighin, M. D., Quesada, N., Eckstein, A., Moore, M., Kolthammer, W. S., Sipe, J. E., & Walmsley, I. A. (2020). Understanding High-Gain Twin-Beam Sources Using Cascaded Stimulated Emission. Physical Review X, 10(3), 031063. External link
Vaidya, V. D., Morrison, B., Helt, L. G., Shahrokshahi, R., Mahler, D. H., Collins, M. J., Tan, K., Lavoie, J., Repingon, A., Menotti, M., Quesada, N., Pooser, R. C., Lita, A. E., Gerrits, T., Nam, S. W., & Vernon, Z. (2020). Broadband quadrature-squeezed vacuum and nonclassical photon number correlations from a nanophotonic device. Science Advances, 6(39), eaba9186. External link
Vidrighin, M. D., Triginer, G., Quesada, N., Eckstein, A., Moore, M., Kolthammer, W. S., Sipe, J. E., & Walmsley, I. A. (2020, May). High-Gain Twin-Beam Generation in Waveguides: Experimental Characterization Using Cascaded Stimulated Emission [Paper]. Conference on Lasers and Electro-Optics, Washington, D.C.. External link
Vernon, Z., Kang, T. A. N., Morrison, B., Shahrokhshahi, R., Mahler, D., Menotti, M., & Quesada, N. (2020). Integrated devices for squeezed light generation. (Patent no. US10649307). External link
Vernon, Z., Quesada, N., Liscidini, M., Morrison, B., Menotti, M., Tan, K., & Sipe, J. E. (2019). Scalable Squeezed-Light Source for Continuous-Variable Quantum Sampling. Physical Review Applied, 12(6), 064024. External link
Vera, C. A., Quesada, N., Vinck-Posada, H., & Rodríguez, B. A. (2009). Characterization of dynamical regimes and entanglement sudden death in a microcavity quantum dot system. Journal of Physics: Condensed Matter, 21(39), 395603. External link
Yao, Y., Miatto, F., & Quesada, N. (2024). Riemannian optimization of photonic quantum cricuits in phase and Fock space. SciPost, 17(3), 082 (44 pages). External link
