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physics.optics2025
2D MoS/Au interfaces for enhanced opto-electronic response with sub-bandgap photons
Jinlei Wu, Wei Huang, Ahsan Ali +5
Monolayer MoS is a direct band gap semiconductor with potential applications in optoelectronics and photonics. MoS also has a large optical nonlinearity. However, the atomi…
physics.optics2023
Effects of impurity band on multiphoton photocurrent from InGaN and GaN photodetectors
Chuanliang Wang, Ahsan Ali, Jinlei Wu +3
Multiphoton absorption of wide band-gap semiconductors has shown great prospects in many fundamental researches and practical applications. With intensity-modulated femtosecond las…
physics.optics2023
Probing Silicon Carbide with Phase-Modulated Femtosecond Laser Pulses: Insights into Multiphoton Photocurrent
Ahsan Ali, Chuanliang Wang, Jinyang Cai +1
Wide bandgap semiconductors are widely used in photonic technologies due to their advantageous features, such as large optical bandgap, low losses, and fast operational speeds. Sil…