activity
20242026
most citedTopological-Vacuum-Induced Strong Photon-Exciton Coupling

1 citations · 1 across the 10 of their papers we have counts for

collaborators

10 papers

physics.optics2026

Wavefront Control and Intensity Modulation of Third Harmonic Generation in Nonlocal Metasurfaces

Yu Tian, Nuo Wang, Qi Liu +4

Metasurfaces have emerged as a promising platform for integrated nonlinear optics. Nonlocal metasurfaces enable high nonlinear conversion efficiency, while the local ones can offer…

physics.optics2025

Efficient Waveform Capture without Absorption with Synthesis of Complex Frequencies

Zhaohua Tian, Yu Tian, Yadi Niu +4

A optical waveform can be synthesized by complex-frequency waves as well as by real-frequency harmonic waves. While single complex-frequency wave with exponentially rising waveform…

quant-ph2025

Conversion of photon temporal shape using single gradient metasurface

Zhaohua Tian, Qi Liu, Yu Tian +1

By applying phase modulation across different frequencies, metasurfaces possess the ability to manipulate the temporal dimension of photons at the femtosecond scale. However, there…

quant-ph2024

Near-symmetric multiport beam splitting for high-NOON state preparation on nonlocal metasurface

Yu Tian, Qi Liu, Zhaohua Tian +2

Polarization beam splitting (BS) has been implemented on gradient metasurface with local response for entanglement manipulation and state reconstruction. To realize more degrees of…

quant-ph2024

Breeding the Cat Through Superposition of Two Schrodinger Kittens Based on Coupled Waveguides

Nuo Wang, Xinchen Zhang, Qi Liu +3

Optical Schrodinger's cat (SC) is highly anticipated because of the potential of realizing fault-tolerant quantum computing, but the practical merit is only shown when the amplitud…

quant-ph2024

Quantum CZ Gate based on Single Gradient Metasurface

Qi Liu, Yu Tian, Zhaohua Tian +4

We propose a scheme to realize quantum controlled-Z (CZ) gates through single gradient metasurface. Using its unique parallel beam-splitting feature, i.e., a series of connected be…

physics.optics2024

A Parallel Beam Splitting Based on Gradient Metasurface: Preparation and Fusion of Quantum Entanglement

Qi Liu, Xuan Liu, Yu Tian +5

Gradient metasurface, formed by a set of subwavelength unit cells with different phase modulation, is widely used in polarized beam splitting (BS) in the classical and quantum opti…

quant-ph2024

Wavepacket interference of two photons through a beam splitter: from temporal entanglement to wavepacket shaping

Zhaohua Tian, Qi Liu, Yu Tian +1

Quantum interferences based on beam splitting are widely used for entanglement. However, the quantitative measurement of the entanglement in terms of temporal modes and wavepacket…

physics.optics2024

Cascade enhancement and efficient collection of single photon emission under topological protection

Yali Jia, Zhaohua Tian, Qi Liu +3

High emission rate, high collection efficiency, and immunity to the defects are the requirements of implementing on-chip single photon sources. Here, we theoretically demonstrate t…

physics.optics2024★ 1 cited

Topological-Vacuum-Induced Strong Photon-Exciton Coupling

Yali Jia, Zihan Mo, Qi Liu +4

The electromagnetic vacuum construction based on micro-nano photonic structures is able to engineer the photon-exciton interaction at the single quantum level. Here, through engine…