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04-19
2024
Micro-cavity integration with monolithic linear ion trap
Abstract: Micro optical cavities can be used to collect photons emitted from the ions more efficiently, or to achieve strong coupling between photons and ions. In this talk, I will discuss a fundamen...
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01-25
2024
Quantum simulation of entangled matter with an ion trap quantum computer
Abstract: Trapped-ion quantum computers provide a pristine one-dimensional spin system, featuring high isolation from the environment, high-fidelity measurement and preparation of individual spins, a...
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12-26
2023
Zero-Knowledge Proofs Beyond Circuits and Constraints — How to build a ZK CPU?
Abstract: With recent advances in efficient Zero-Knowledge Proofs (ZKP) schemes, ZKP has become one of the most active areas in Cryptography that enables fruitful real-world applications. However, ge...
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12-01
2023
Learning quantum states and unitaries of bounded gate complexity
Abstract: While quantum state tomography is notoriously hard, most states hold little interest to practically-minded tomographers. Given that states and unitaries appearing in Nature are of bounded g...
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11-02
2023
SU(d)-symmetric local random quantum circuits — Designs, information scrambling, error correction, and machine learning
Abstract: The convergence of local unitary circuit ensembles to k-designs is a central problem in random quantum circuit models which play key roles in the study of quantum information as well as phy...
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10-26
2023
Complexity and order in approximate quantum error-correcting codes
Abstract: Quantum codes achieving approximate quantum error correction (AQEC) are useful, often fundamentally important, from both practical and physical perspectives but remain little understood. In...