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FROM LAB TO LIVE NETWORK Research & Patents

A selection of Aliro’s publications

At Aliro, research insights become real-world secure networking infrastructure.

Our team of scientists, engineers, and innovators is advancing the field of quantum networking through collaborative research in quantum entanglement, secure communications, and distributed quantum computing. We publish regularly in journals and conferences, contribute to industry standards, file patents, and collaborate with academic, government, and commercial partners to shape the future of quantum-powered security. From fundamental breakthroughs in entangled photon generation to operational frameworks for secure quantum networks, Aliro’s supports the underlying science of quantum communications and implementation of entanglement-based quantum networks.

Publications

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2025

  • Myilswamy, Karthik V., Lucas M. Cohen, Suparna Seshadri, Hsuan-Hao Lu, and Joseph M. Lukens. "On-chip frequency-bin quantum photonics." Nanophotonics 0 (2025). This paper discusses the significant progress in on-chip frequency-bin quantum photonics, which leverages the frequency degree of freedom for encoding quantum information using integrated photonic circuits. Recent advancements in on-chip sources of frequency-bin entangled photons, state manipulation techniques using integrated pulse shapers and electro-optic modulators, and the generation of hyperentangled states combining frequency with other degrees of freedom are highlighted.

  • Abane, Amar, Michael Cubeddu, Van Sy Mai, and Abdella Battou. "Entanglement Routing in Quantum Networks: A Comprehensive Survey." IEEE Transactions on Quantum Engineering (2025). Researchers introduce a practical entanglement routing problem, then the approaches to addressing the problem are analyzed and categorized, drawing on relevant ideas from classical network routing strategies for comparison and inspiration.

2024

  • Doolittle, Brian, Felix Leditzky, and Eric Chitambar. "An Operational Framework for Nonclassicality in Quantum Communication Networks." arXiv preprint arXiv:2403.02988 (2024). This paper introduces a framework for understanding and quantifying nonclassicality within quantum communication networks. The authors explore various network topologies, including point-to-point and multi-party scenarios, highlighting how different quantum resources contribute to nonclassicality and offering a method for certifying these resources and realizing communication benefits, even in the presence of noise.

  • Chalupnik, Michelle, Anshuman Singh, James Leatham, Marko Lončar, and Moe Soltani. "Nanophotonic phased array XY Hamiltonian solver." APL Photonics 9, no. 3 (2024). This paper introduces an approach to solving computationally challenging optimization problems by utilizing a nanophotonic phased array. The authors present a compact silicon photonic integrated circuit that functions as an XY Hamiltonian solver, a system that can tackle problems mapped to a generalized variant of the Ising model. 

  • Emran, Rubaiya, Michelle Chalupnik, Erik N. Knall, Ralf Riedinger, Cleaven Chia, and Marko Lončar. "Limitations in design and applications of ultra-small mode volume photonic crystals." New Journal of Physics 26, no. 5 (2024): 053004. This research article explores the topic of ultra-small mode volume photonic crystals in the context of cavity quantum electrodynamics and quantum information processing. The authors analyze the trade-offs associated with extreme light confinement, such as fabrication challenges and the critical need for precise emitter placement. 
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2023

  • Keith Kenemer, Michelle Chalupnik, Michelle Fernandez, Michael Cubeddu, and Eric G. Brown. 2023. Scheduling Compact Error Correcting Codes in Entanglement Distribution Networks. In Proceedings of the 1st Workshop on Quantum Networks and Distributed Quantum Computing (QuNet '23). Association for Computing Machinery, New York, NY, USA, 19–24. This research addresses the challenge of managing and suppressing quantum errors in generating and distributing high-fidelity entanglement in quantum repeater networks. The authors propose a method for extending the effective coherence time of shared entanglement between nodes by utilizing compact error-correcting codes.

  • Sone, Akira, Naoki Yamamoto, Tharon Holdsworth, and Prineha Narang. "Jarzynski-like equality of nonequilibrium information production based on quantum cross-entropy." Physical Review Research 5, no. 2 (2023): 023039. This paper proposes a framework that allows for the exploration of the role of quantum cross-entropy in various quantum information processing tasks, including quantum communications, quantum machine learning (specifically QAEs), and quantum thermodynamics (maximum available work).

  • Chalupnik, Michelle, Anshuman Singh, James Leatham, Marko Lončar, and Moe Soltani. "Scalable and ultralow power silicon photonic two-dimensional phased array." APL Photonics 8, no. 5 (2023). Researchers demonstrate an 8x8 array utilizing compact microresonator phase shifters that achieve rapid beam steering and shaping with significantly reduced power consumption compared to previous designs. Their work showcases the potential of this technology for creating compact and efficient programmable optical processors and spatial light modulators.

2022

  • Chalupnik, Michelle, Anshuman Singh, James Leatham, Marko Lončar, and Mo Soltani. "Photonic Integrated Circuit Phased Array XY/Ising Model Solver." In Laser Science, pp. JTu7B-6. Optica Publishing Group, 2022. Authors present an on-chip silicon photonic optical phased array as a compact and high-speed application-specific integrated circuit processor for solving all-to-all coupled XY/Ising model Hamiltonians.

  • Huerta Alderete, C., Max Hunter Gordon, Frédéric Sauvage, Akira Sone, Andrew T. Sornborger, Patrick J. Coles, and Marco Cerezo. "Inference-based quantum sensing." Physical review letters 129, no. 19 (2022): 190501. For a broad range of quantum sensing tasks where a parameter is encoded unitarily, the relationship between the unknown parameter and the measurement outcomes (system response) can be precisely described by a trigonometric polynomial. Authors demonstrate a method that allows for the inference of unknown parameter values, the assessment of the sensitivity of the sensing protocol, and importantly, remains effective even in the presence of quantum noise.

  • Smith, Kaitlin N., Gokul Subramanian Ravi, Thomas Alexander, Nicholas T. Bronn, André RR Carvalho, Alba Cervera-Lierta, Frederic T. Chong et al. "Programming physical quantum systems with pulse-level control." Frontiers in physics 10 (2022): 900099. This article explores the challenges and opportunities associated with pulse-level programming, including the development of new compilation techniques, the role of simulation, and the engineering of optimal control pulses, ultimately emphasizing its importance for achieving fault-tolerant quantum computation and expanding the quantum computing community.

  • Delaney, Conor, Kaushik P. Seshadreesan, Ian MacCormack, Alexey Galda, Saikat Guha, and Prineha Narang. "Demonstration of a quantum advantage by a joint detection receiver for optical communication using quantum belief propagation on a trapped-ion device." Physical Review A 106, no. 3 (2022): 032613. By implementing the “belief propagation with quantum messages” algorithm on Honeywell’s trapped-ion device, the researchers bridge photonic coherent-state encoding and trapped-ion qubit processing. The result shows reduced decoding error probabilities beyond pulse-by-pulse detection limits, highlighting a fundamental quantum-enhanced advantage with potential applications in deep-space and astronomy-based communications.

  • Beckey, Jacob L., M. Cerezo, Akira Sone, and Patrick J. Coles. "Variational quantum algorithm for estimating the quantum Fisher information." Physical Review Research 4, no. 1 (2022): 013083. This research paper introduces a variational quantum algorithm called VQFIE designed to estimate the quantum Fisher information (QFI) for quantum states, especially mixed states, using near-term quantum computers. The QFI determines the ultimate precision in estimating parameters.
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2021

  • Sone, Akira, and Sebastian Deffner. "Quantum and classical ergotropy from relative entropies." Entropy 23, no. 9 (2021): 1107.
  • Sone, Akira, Marco Cerezo, Jacob L. Beckey, and Patrick J. Coles. "Generalized measure of quantum Fisher information." Physical Review A 104, no. 6 (2021): 062602.
  • Cerezo, Marco, Akira Sone, Jacob L. Beckey, and Patrick J. Coles. "Sub-quantum Fisher information." Quantum Science and Technology 6, no. 3 (2021): 035008.
  • Galda, Alexey, Michael Cubeddu, Naoki Kanazawa, Prineha Narang, and Nathan Earnest-Noble. "Implementing a ternary decomposition of the toffoli gate on fixed-frequency transmon qutrits." arXiv preprint arXiv:2109.00558 (2021).
  • Wang, Samson, Enrico Fontana, Marco Cerezo, Kunal Sharma, Akira Sone, Lukasz Cincio, and Patrick J. Coles. "Noise-induced barren plateaus in variational quantum algorithms." Nature communications 12, no. 1 (2021): 6961.

Patents

  • Kenemer, Keith, Michael Cubeddu, Matthew Skrzypczyk, Bruno Rijsman, Michelle Chalupnik, and Eric Brown. "Managing Noise Mitigation for Quantum Networks." U.S. Patent Application 18/650,857, filed March 6, 2025.
  • Rijsman, Bruno, Michael Cubeddu, and Matthew Skrzypczyk. "Operating a Layered Quantum Networking Environment with Fidelity Estimates." U.S. Patent Application 18/545,344, filed January 2, 2025.
  • Rijsman, Bruno, Michael Cubeddu, and Matthew Skrzypczyk. "Operating a layered quantum networking environment with a controller." U.S. Patent Application 18/545,225, filed June 20, 2024.
  • Rijsman, Bruno, Michael Cubeddu, and Matthew Skrzypczyk. "Operating a layered quantum networking environment with entanglement swap operations." U.S. Patent Application 18/545,181, filed June 20, 2024.
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