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physics.optics2025
Segmentation-Engineered Ge4Sb6Te7 Switch on SOI Platform for Multilevel Non-Volatile Photonic Neural Inference
Arpan Sur, Sudipta Saha, Chih-Yu Lee +1
Phase-change materials (PCMs) have emerged as key enablers of non-volatile, ultra-compact photonic switches for energy-efficient deep neural network (DNN) applications. In this wor…
physics.optics2025
Hierarchically structured, high-efficiency and thermally robust perovskite solar cells with band-engineered double-hole layers
Md. Faiaad Rahman, Arpan Sur, Ahmed Zubair
Despite the promising optoelectronic properties of methylammonium lead iodide (MAPbI3)-based perovskite solar cells (PSCs), their commercial viability is hindered by interfacial en…
physics.optics2025
Design and Analysis of Plasmonic-Nanorod-Enhanced Lead-Free Inorganic Perovskite/Silicon Heterojunction Tandem Solar Cell Exceeding the Shockley-Queisser Limit
Md. Sad Abdullah Sami, Arpan Sur, Ehsanur Rahman
The pursuit of sustainable and highly efficient energy conversion necessitates a transition from toxic and unstable materials to environmentally friendly alternatives. This work pr…