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physics.optics2026
Broadband Tunable Photon-Pair Generation and Spectrum Measurement Based on Noncritical Lithium Niobate Crystals
Zhao-Qi-Zhi Han, Bo-Wen Liu, He Zhang +8
Photon pairs play a vital role in modern science, driving extensive research into their generation. Yet, the narrow phase-matching bandwidth of conventional crystals has largely co…
physics.optics2026
Passive Incoherent Ultrafast Mid-Infrared Upconversion Imaging and Its Calibration
Jin-Peng Li, Zhi-You Li, Zhao-Qi-Zhi Han +7
Ultrafast mid-infrared (MIR) imaging is a key enabling capability for monitoring transient thermal and plasma phenomena in scientific diagnostics and industrial safety. However, co…