2 papers
physics.optics2025
Suspended waveguide-enhanced near-infrared photothermal spectroscopy for ppb-level molecular gas sensing on a chalcogenide chip
Kaiyuan Zheng, Hanyu Liao, Fengbo Han +11
On-chip waveguide sensors have attracted significant attention recently due to their potential for high level integration. However, so far on-chip gas sensing based on traditional…
physics.optics2025
Dual slow-light enhanced photothermal gas spectroscopy on a silicon chip
Kaiyuan Zheng, Zihang Peng, Hanyu Liao +7
Integrated photonic sensors have attracted significant attention recently for their potential for high-density integration. However, they face challenges in sensing gases with high…