3 papers
physics.optics2025
Optical parametric free-electron--photon quantum interaction
Zetao Xie, Zehai Pang, Yi Yang
Optical parametric processes underpin quantum photonics, while free-electron--photon interactions offer agile pathways to generate nontrivial quantum photonic states. These threads…
physics.optics2025
Parity-time symmetry phase transition in photonic time-modulated media
Rui-Chuan Zhang, Shu Yang, Yixin Sha +2
Time modulation can cause gain and loss in photonic media, leading to complex modal behaviors and enhanced wave controllability in the non-Hermitian regime. Conversely, we reveal t…
physics.optics2024
Synthetic gain for electron-beam spectroscopy
Yongliang Chen, Kebo Zeng, Zetao Xie +9
Electron-beam microscopy and spectroscopy featuring atomic-scale spatial resolution have become essential tools used daily in almost all branches of nanoscale science and technolog…