activity
20222026
most citedAsymptotically Optimal Quantum Amplitude Estimation by Generalized Qubitization

2 citations · 4 across the 7 of their papers we have counts for

collaborators

7 papers

quant-ph2026

Efficient Qubit Simulation of Hybrid Oscillator-Qubit Quantum Computation

Xi Lu, Bojko N. Bakalov, Yuan Liu

We introduce a framework for simulating hybrid oscillator-qubit quantum processors on qubit-only systems through position encoding. By encoding continuous-variable position and mom…

quant-ph2024

Quantum Signal Processing and Quantum Singular Value Transformation on

Xi Lu, Yuan Liu, Hongwei Lin

Quantum signal processing and quantum singular value transformation are powerful tools to implement polynomial transformations of block-encoded matrices on quantum computers, and h…

quant-ph2023★ 2 cited

Asymptotically Optimal Quantum Amplitude Estimation by Generalized Qubitization

Xi Lu, Hongwei Lin

We first show that the standard deviation error of quantum amplitude estimation is asymptotically lower bounded by approximately , where is the number of queries.…

quant-ph2023★ 1 cited

Random-depth Quantum Amplitude Estimation

Xi Lu, Hongwei Lin

The maximum likelihood amplitude estimation algorithm (MLAE) is a practical solution to the quantum amplitude estimation problem with Heisenberg limit error convergence. We improve…

quant-ph2022

Unbiased quantum phase estimation

Xi Lu, Hongwei Lin

Quantum phase estimation algorithm (PEA) is one of the most important algorithms in early studies of quantum computation. It is also a key for many other quantum algorithms, such a…

quant-ph2022

Improved Quantum Supersampling for Quantum Ray Tracing

Xi Lu, Hongwei Lin

Ray tracing algorithm is a category of rendering algorithms that calculate the color of pixels by simulating the physical movements of a huge amount of rays and calculating their e…

quant-ph2022★ 1 cited

A Framework for Quantum Ray Tracing

Xi Lu, Hongwei Lin

Ray tracing algorithm simulates the physical movements of a huge amount of rays to render a high quality image, in which the tracing procedure for each ray can be implemented in pa…