18 papers
HI-QDC: An Isometric Modular Scalable Architecture for Quantum Data Centers
Mohadeseh Azari, Anoosha Fayyaz, Amy Babay +3
Server-centric quantum data-center architectures offer scalability by distributing communication tasks across QPUs rather than concentrating complexity in a centralized switching c…
When AI meets quantum information: A comprehensive review
Min Chen, Yu Gan, Xin Jin +15
Artificial intelligence (AI) and quantum information (QI) are rapidly co-evolving. AI is becoming a practical tool for learning, designing, controlling, and verifying quantum syste…
Variational Probe and Measurement Optimization for Structured Phase Estimation
Priyam Srivastava, Vivek Kumar, Gurudev Dutt +1
We present a proof-of-principle study of variational quantum sensing for estimating a structured linear function of local phase parameters, in which each qubit in a spin-1/2 array…
To Purify or Not to Purify: Entanglement Purification under Input Fidelity Asymmetry in Quantum Networks
Anoosha Fayyaz, Prashant Krishnamurthy, Kaushik Seshadreesan +2
Entanglement purification with two entangled resource pairs is widely employed in the literature on quantum repeater networks to counteract fidelity degradation introduced by noisy…
Toward Hop-Independent Fidelity in Quantum Data Centers: Resource Requirements for Entanglement Purification
Mohadeseh Azari, Anoosha Fayyaz, Amy Babay +3
Quantum data-center networks must distribute entanglement between QPUs over paths whose length grows with system scale, but each entanglement-swapping step reduces the quality of t…
Distributed Quantum Error Correction with Bivariate Bicycle Codes in a Modular Architecture
Nitish Kumar Chandra, Eneet Kaur, Reza Nejabati +1
Quantum low density parity check (qLDPC) codes, particularly bivariate bicycle (BB) codes, achieve competitive fault tolerance thresholds while offering substantially higher encodi…