3 papers
physics.optics2025
Performance Bounds of Ranging Precision in SPAD-Based dToF LiDAR
Hao Wu, Shiyi Sun, Lijie Zhao +3
Lidar with direct time-of-flight (dToF) technology based on single-photon avalanche diode detectors (SPAD) has been widely adopted in various applications. However, a comprehensive…
physics.optics2024
Deep-sub-cycle ultrafast optical pulses
Hongliang Dang, Jiaxin Gao, Hao Wu +2
Sub-cycle optical pulse is of great importance for ultrafast science and technology. While a narrower pulse can offer a higher temporal resolution, so far the pulse width has not r…
physics.optics2024
Polarization-entangled photon pairs generation from a single lithium niobate waveguide with single poling period
Xinyue Zhang, Sihui Pei, Ni Yao +4
Polarization-entangled photon pairs are essential sources for photonic quantum information processing. However, generating entangled photon pairs with large detuning via spontaneou…