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04-19
2024
Micro-cavity integration with monolithic linear ion trap
内容： 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 fundamental ...
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01-25
2024
Quantum simulation of entangled matter with an ion trap quantum computer
内容： 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, and f...
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12-26
2023
Zero-Knowledge Proofs Beyond Circuits and Constraints — How to build a ZK CPU?
内容： 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, generi...
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12-01
2023
Learning quantum states and unitaries of bounded gate complexity
内容： 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 gate ...
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11-02
2023
SU(d)-symmetric local random quantum circuits — Designs, information scrambling, error correction, and machine learning
内容： 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 physics...
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10-26
2023
Complexity and order in approximate quantum error-correcting codes
内容： Quantum codes achieving approximate quantum error correction (AQEC) are useful, often fundamentally important, from both practical and physical perspectives but remain little understood. In thi...