activity
20142025
most citedFluxonium: an alternative qubit platform for high-fidelity operations

152 citations · 517 across the 22 of their papers we have counts for

collaborators

23 papers

quant-ph2025

Reconfigurable Quantum Instruction Set Computers for High Performance Attainable on Hardware

Zhaohui Yang, Dawei Ding, Qi Ye +3

The performance of current quantum hardware is severely limited. While expanding the quantum ISA with high-fidelity, expressive basis gates is a key path forward, it imposes signif…

quant-ph2023★ 11 cited

One Gate Scheme to Rule Them All: Introducing a Complex Yet Reduced Instruction Set for Quantum Computing

Jianxin Chen, Dawei Ding, Weiyuan Gong +2

The design and architecture of a quantum instruction set are paramount to the performance of a quantum computer. This work introduces a gate scheme for qubits with coupling…

quant-ph2023

A Classical Architecture For Digital Quantum Computers

Fang Zhang, Xing Zhu, Rui Chao +15

Scaling bottlenecks the making of digital quantum computers, posing challenges from both the quantum and the classical components. We present a classical architecture to cope with…

quant-ph2023★ 3 cited

Leakage Benchmarking for Universal Gate Sets

Bujiao Wu, Xiaoyang Wang, Xiao Yuan +2

Errors are common issues in quantum computing platforms, among which leakage is one of the most challenging to address. This is because leakage, i.e., the loss of information store…

quant-ph2022★ 8 cited

Linear Cross Entropy Benchmarking with Clifford Circuits

Jianxin Chen, Dawei Ding, Cupjin Huang +1

With the advent of quantum processors exceeding qubits and the high engineering complexities involved, there is a need for holistically benchmarking the processor to have qua…

quant-ph2022★ 12 cited

Randomized Benchmarking Beyond Groups

Jianxin Chen, Dawei Ding, Cupjin Huang

Randomized benchmarking (RB) is the gold standard for experimentally evaluating the quality of quantum operations. The current framework for RB is centered on groups and their repr…

quant-ph2021★ 152 cited

Fluxonium: an alternative qubit platform for high-fidelity operations

Feng Bao, Hao Deng, Dawei Ding +25

Superconducting qubits provide a promising path toward building large-scale quantum computers. The simple and robust transmon qubit has been the leading platform, achieving multipl…

quant-ph2021★ 50 cited

Quantum Instruction Set Design for Performance

Cupjin Huang, Tenghui Wang, Feng Wu +10

A quantum instruction set is where quantum hardware and software meet. We develop new characterization and compilation techniques for non-Clifford gates to accurately evaluate diff…

quant-ph2021★ 13 cited

Compiling Arbitrary Single-Qubit Gates Via the Phase-Shifts of Microwave Pulses

Jianxin Chen, Dawei Ding, Cupjin Huang +1

We give an arbitrary single-qubit gate compilation scheme on superconducting processors that takes advantage of tuning the phase shift of microwave pulses to obtain a continuous ga…

quant-ph2020★ 85 cited

Classical Simulation of Quantum Supremacy Circuits

Cupjin Huang, Fang Zhang, Michael Newman +10

It is believed that random quantum circuits are difficult to simulate classically. These have been used to demonstrate quantum supremacy: the execution of a computational task on a…

quant-ph2020★ 37 cited

Finding Angles for Quantum Signal Processing with Machine Precision

Rui Chao, Dawei Ding, Andras Gilyen +2

We describe an algorithm for finding angle sequences in quantum signal processing, with a novel component we call halving based on a new algebraic uniqueness theorem, and another w…

quant-ph2020★ 8 cited

Alibaba Cloud Quantum Development Platform: Surface Code Simulations with Crosstalk

Cupjin Huang, Xiaotong Ni, Fang Zhang +11

We report, in a sequence of notes, our work on the Alibaba Cloud Quantum Development Platform (AC-QDP). AC-QDP provides a set of tools for aiding the development of both quantum co…

quant-ph2019★ 17 cited

Alibaba Cloud Quantum Development Platform: Applications to Quantum Algorithm Design

Cupjin Huang, Mario Szegedy, Fang Zhang +3

We report our work on the Alibaba Cloud Quantum Development Platform (AC-QDP). The capability of AC-QDP's computational engine was already reported in \cite{CZH+18, ZHN+19}.In this…

quant-ph2019★ 3 cited

Alibaba Cloud Quantum Development Platform: Large-Scale Classical Simulation of Quantum Circuits

Fang Zhang, Cupjin Huang, Michael Newman +10

We report, in a sequence of notes, our work on the Alibaba Cloud Quantum Development Platform(AC-QDP). AC-QDP provides a set of tools for aiding the development of both quantum com…

quant-ph2019★ 4 cited

Explicit lower bounds on strong simulation of quantum circuits in terms of -gate count

Cupjin Huang, Michael Newman, Mario Szegedy

We investigate Clifford+ quantum circuits with a small number of -gates. Using the sparsification lemma, we identify time complexity lower bounds in terms of -gate count b…

quant-ph2018★ 73 cited

Classical Simulation of Intermediate-Size Quantum Circuits

Jianxin Chen, Fang Zhang, Cupjin Huang +2

We introduce a distributed classical simulation algorithm for general quantum circuits, and present numerical results for calculating the output probabilities of universal random c…

quant-ph2018★ 10 cited

Explicit lower bounds on strong quantum simulation

Cupjin Huang, Michael Newman, Mario Szegedy

We consider the problem of strong (amplitude-wise) simulation of -qubit quantum circuits, and identify a subclass of simulators we call monotone. This subclass encompasses almos…

quant-ph2017

Efficient Implementation of Baker-Campbell-Hausdorff Formula

Cupjin Huang

This short paper presents an efficient implementation of Baker-Campbell-Hausdorff formula for calculating the logarithm of product of two possibly non-commutative Lie group element…

quant-ph2017

OpenFermion: The Electronic Structure Package for Quantum Computers

Jarrod R. McClean, Kevin J. Sung, Ian D. Kivlichan +32

Quantum simulation of chemistry and materials is predicted to be an important application for both near-term and fault-tolerant quantum devices. However, at present, developing and…

quant-ph2017★ 3 cited

Transversal switching between generic stabilizer codes

Cupjin Huang, Michael Newman

We propose a randomized variant of the stabilizer rewiring algorithm (SRA), a method for constructing a transversal circuit mapping between any pair of stabilizer codes. As gates a…

quant-ph2017★ 1 cited

Quantum hashing is maximally secure against classical leakage

Cupjin Huang, Yaoyun Shi

Cryptographic hash functions are fundamental primitives widely used in practice. For such a function , it is nearly impossible for an adversary to produc…

cs.IT2015

Comments on Cut-Set Bounds on Network Function Computation

Cupjin Huang, Zihan Tan, Shenghao Yang +1

A function computation problem in directed acyclic networks has been considered in the literature, where a sink node wants to compute a target function with the inputs generated at…

quant-ph2014★ 27 cited

Universal super-replication of unitary gates

G. Chiribella, Y. Yang, C. Huang

Quantum states obey an asymptotic no-cloning theorem, stating that no deterministic machine can reliably replicate generic sequences of identically prepared pure states. In stark c…