Optically Pumped Terahertz Amplitude Modulation in Type-II Ge QD/Si Heterostructures Grown via Molecular Beam Epitaxy

S Ghosh, A Mukherjee, S Singh, SK Ray… - ACS Applied Optical …, 2024 - ACS Publications
This article explores group-IV germanium (Ge) quantum dots (QDs) on silicon-on-insulator
(SOI) grown by molecular beam epitaxy (MBE) in order to explore their optical behavior in …

Exceptional‐Point‐Enhanced Superior Sensing Using Asymmetric Coupled‐Lossy‐Resonator Based Optical Metasurface

B Nag Chowdhury, P Lahiri, NP Johnson… - Laser & Photonics …, 2024 - Wiley Online Library
Exotic optical responses of designed metasurfaces, including non‐Hermitian photonic
systems exhibiting exceptional point (EP)‐singularities, offer diverse applications in the field …

Highly efficient hydrogen production performance of gC3N4 quantum dot-sensitized WO3/Ni–ZnIn2S4 nanosheets

K Wu, C Yao, P Wu, Y Cao, C Liu, P Chen, J Zhu… - Applied Physics A, 2022 - Springer
Metal sulfide semiconductor photocatalysts have been widely used in photocatalytic
hydrogen evolution reactions due to their good light absorption properties and high …

Dual‐Gate GaAs‐Nanowire FET for Room Temperature Charge‐Qubit Operation: A NEGF Approach

B Nag Chowdhury… - Advanced Quantum …, 2023 - Wiley Online Library
The performance of dual‐gate GaAs‐nanowire field‐effect‐transistor (FET) is investigated as
a charge‐qubit device operating at room temperature. In compatibility with the state‐of‐the …

Zigzag dice lattice ribbons: Distinct edge morphologies and structure-spectrum correspondences

L Hao - Physical Review Materials, 2022 - APS
Ribbons of two-dimensional lattices have properties depending sensitively on the
morphology of the two edges. For regular ribbons with two parallel straight edges, the atomic …

Modelling and analysis of confluence attack by hardware trojan in noc

S Bagga, R Gupta, J Jose - … , Circuits and Systems: Select Proceedings of …, 2023 - Springer
Over the years, system on chip (SoC) designs have evolved extensively sophisticated in
order to fulfil the need of increasing complexity of running applications driven by the …

Valley-contrasting interband transitions and excitons in symmetrically biased dice model

L Hao - Physical Review B, 2021 - APS
We study the exciton states in the symmetrically biased dice model, the electronic structures
of which have an isolated flat band between two dispersive bands. At 1/3 or 2/3 filling, the …

Voltage-Tunable Quantum-Dot Array by Patterned -Nanowire-Based Metal-Oxide-Semiconductor Devices

S Sikdar, B Nag Chowdhury, R Saha… - Physical Review …, 2021 - APS
We report the fabrication of an array of highly scaled Ge-nanowire-based (radius∼ 25 nm)
vertical metal-oxide-semiconductor devices that can operate as voltage-tunable quantum …

Observation of room temperature gate tunable quantum confinement effect in photodoped junctionless MOSFET

B Khan, A Mukherjee, YM Georgiev, JP Colinge… - arxiv preprint arxiv …, 2024 - arxiv.org
In the pursuit of room temperature quantum hardware, our study introduces a gate voltage
tunable quantum wire within a tri-gated n-type junctionless MOSFET. The application of gate …

Design aspects of dual gate GaAs nanowire FET for room temperature charge qubit operation: A study on diameter and gate engineering

N Paul, BN Chowdhury, S Chattopadhyay - arxiv preprint arxiv …, 2023 - arxiv.org
The current work explores a geometrically engineered dual gate GaAs nanowire FET with
state of the art miniaturized dimensions for high performance charge qubit operation at room …