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Update: Beginning in Spring 2026, the course will be offered under the new code ECE 544. Explore the mathematical methods and applications of quantum information. I have been teaching this exciting subject since 2018 and have had the pleasure of witnessing graduate students who took this course embark on successful research careers in quantum science
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Our patent Processing Signals Using Entanglement-Assisted Communication has been granted. Patent No.: US 12,519,549 B2 Date of Patent: Jan. 6, 2026
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Our work Comparing Homodyne and Heterodyne Tomography of Quantum States of Light can be found on arXiv and we hope to get it into a journal soon!
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In our work “Optimal single-mode squeezing for beam displacement sensing”, we investigate the estimation of an optical beam’s transverse displacement is a canonical imaging problem fundamental to numerous optical imaging and sensing tasks. Quantum enhancements to the measurement precision in this problem have been studied extensively. However, previous studies have neither accounted for diffraction loss
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In “Bayesian Greedy Receiver for Pulse Position Modulation without an Error Floor under Thermal Noise” we examine quantum receiver architectures for demodulation of M-ary Pulse Position Modulation under thermal noise and photon-starved conditions. Building on the greed receiver framework, we analyze it using jointly optimized displacement-squeezing and the Dolinar receiver. We further introduce a novel slicing
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In our work we explore the effect of general partial-post selection followed by optimal measurement on the undetected part of the state. Full details can be found in the ArXiv version of our work.
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We generalize the problem of quickest quantum change point detection to to infinite-dimensional quantum systems. ArXiv version can be found here. Our work has been accepted to ITW 2025.
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Boyu Zhou defended his thesis “Quantum Estimation utilizing Bayesian Techniques and Quantum Error Correction” on 10th of April 2025. He will be joining University of Toronto as a postdoctoral researcher.
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In our recent work we consider the estimation of the separation of two incoherent point sources when prior knowledge on the separation is given. We compute the Minimum Mean Squared Error and the behavior of Direct Detection and SPADE. Our work can be found on arXiv. Update: Our work has been accepted to APL Quantum.
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Our paper has been recently published in Physical Review Applied. Emily Van Milligen (Wyant College of Optical Sciences, Univ. of Arizona), first author of our paper, wrote the following popular summary: Quantum networks have the potential to distribute entangled qubit pairs, typically photons, across vast distances, enabling breakthroughs in areas like long-baseline astronomy and distributed
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Quantum information science and technology 