collaborators

5 papers

physics.optics2026

An Integrated DFT-FDTD Design of Plasmon-Enhanced Lead-Free Perovskite LEDs

Shoumik Debnath, Sudipta Saha, Khondokar Zahin +2

CsSnGeI as lead-free perovskites are promising for next generation NIR emitting perovskite LEDs due to their tunable bandgaps and stability. However, they suffer fr…

physics.optics2026

Composition-Dependent Plasmon-Enhanced Emission in Lead-Free CsCuX Halides: A DFT--FDTD Study

Shoumik Debnath, Sudipta Saha, Khondokar Zahin +2

Lead-free CsCuX (X = Cl, Br, I) halides exhibit high photoluminescence quantum yields and excellent ambient stability, yet light-emitting devices based on these materia…

physics.optics2026

Tamm Plasmon--Enhanced Widely Tunable Near-Infrared Nanolaser with Superior Efficiency and Output Power

Mohammad Tahsin Alam, Zafrin Jahan Nikita, Ying Yin Tsui +1

Plasmonic resonances enable strong electromagnetic field confinement and have been widely exploited in plasmonic nanolasers, particularly through surface plasmon polaritons and loc…

physics.optics2025

Inverse Design Optimization of MIS Nanorod Array to Enhance Wavelength-Selective Light Extraction of OLED through Guided SPCE

Khondokar Zahin, A. K. M. Hasibul Hoque, Md. Jawadul Karim +2

One of the primary causes of low light extraction efficiency (LEE) in conventional OLEDs is the trapping of light within the substrate layer. To overcome this limitation, various n…

physics.optics2025

Compact Plasmonic Logic Gates Enabled by Magnetoelectric Light Funneling for On-Chip Optical Computing in the Telecom Band

Adib Md. Tawsif, Khondokar Zahin, A. K. M. Hasibul Hoque +2

The realization of all-optical logic gates (AOLGs) is important for advancing photonic integrated circuit (PIC) design and optical data communication. Various photonic structures a…