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Adaptive Error Correction for Entanglement Distillation in Quantum Networks
This technology is a method of producing high-quality entanglement for quantum networking. It is a scalable, code-switching protocol for enhancing the fidelity of entangled states distributed across quantum repeaters. By using sequential rounds of quantum error correction and entanglement distillation with varying stabilizer codes to optimize the trade-off...
Published: 6/30/2025
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Inventor(s): Narayanan Rengaswamy, Sijie Cheng
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Quantum
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Universal Fault Tolerant Quantum Computation with Trotter Circuits
This invention introduces a novel approach to implementing fault-tolerant quantum circuits using Trotter circuits, which are essential for quantum simulations and other key algorithms. It provides a systematic framework for translating logical Trotter circuits into physical ones using symplectic transvections—algebraic structures that ensure the...
Published: 6/30/2025
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Inventor(s): Zhuangzhuang Chen, Narayanan Rengaswamy, Jack Owen Weinberg
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Quantum, Technology Classifications > Engineering & Physical Sciences > Communications & Networking
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Quantum Message-Passing Receivers for Quantum-Optimal Laser Communications
This technology is the first fully structured design of an optical joint-detection receiver that can attain the quantum limit of laser communication. The proposed receiver circuit provides an alternative proposal for a quantum supremacy experiment, targeted at a specific application that can potentially be implemented on a small, special-purpose, photonic...
Published: 4/3/2023
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Inventor(s): Narayanan Rengaswamy, Kaushik Seshadreesan, Saikat Guha, Henry Pfister
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Engineering & Physical Sciences > Quantum
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