activity
20152026
most cited\textit{Ab-initio} Tight-Binding Hamiltonian for Transition Metal Dichalcogenides

231 citations · 269 across the 9 of their papers we have counts for

collaborators

11 papers

physics.optics2026

Optimizing Finite Structures to Suppress the Photonic Density of States

Prakash Mishra, Sukhad Dnyanesh Joshi, Aditya Bahulikar +3

We propose a topology-optimization framework for optimizing finite structures of arbitrary shape by combining density-based methods with level-set approaches. We first optimize reg…

physics.optics2025

Structure-Adaptive Topology Optimization Framework for Photonic Band Gaps with TE-Polarized Sources

Sukhad Dnyanesh Joshi, Aditya Bahulikar, Feng Wang +2

Leveraging our structure-adaptive topology optimization framework based on the integration of the photonic density of states over a frequency window for the TM polarization of ligh…

cond-mat.mes-hall2025

Ultracoherent self-assembled diamond nanomechanics reveals superfluid dynamics

Guanhao Huang, Chang Jin, Sophie Weiyi Ding +9

From gravitational-wave detection, protein force microscopy, to exploration of quantum-classical boundaries, many anticipated discoveries in fundamental science require improving m…

cond-mat.mtrl-sci2025

Theoretical Investigation of Yield-Enhancing Equilibrium Negatively Ionized Tin-Vacancy Center Preparation Pathways in N-Doped Diamond

Aditya Bahulikar, Steven L. Richardson, Rodrick Kuate Defo

The elucidation of the mechanism of Sn formation in diamond is especially important as the Sn color center has the potential to be a superior single-photon emitter when c…

physics.optics2024

Structure-Adaptive Topology Optimization Framework for Photonic Band Gaps with TM-Polarized Sources

Aditya Bahulikar, Feng Wang, Mustafa Cenk Gursoy +1

We present a structure-adaptive topology optimization framework for engineering photonic band gaps with TM-polarized sources based on computation of the photonic density of states…

cond-mat.mtrl-sci2024

Computing Using Shallow NV-Center Charges in Diamond

Rodrick Kuate Defo, Steven L. Richardson

The static electric dipole-dipole coupling between donor-acceptor pairs (DAPs) in wide-bandgap semiconductors has recently emerged as a means of realizing a quantum science platfor…

physics.optics2023

Suppressing electromagnetic local density of states via slow light in lossy quasi-1d gratings

Benjamin Strekha, Pengning Chao, Rodrick Kuate Defo +2

We propose a spectral-averaging procedure that enables computation of bandwidth-integrated local density of states (LDOS) from a single scattering calculation, and exploit it to in…

cond-mat.mtrl-sci2023

Charge-State Stability of Color Centers in Wide-Bandgap Semiconductors

Rodrick Kuate Defo, Alejandro W. Rodriguez, Steven L. Richardson

The NV color center in diamond has been extensively investigated for quantum sensing, computation, and communication applications. Nonetheless, charge-state decay from the NV$^…

physics.optics2021★ 1 cited

Physical limits on electromagnetic response

Pengning Chao, Benjamin Strekha, Rodrick Kuate Defo +2

Photonic devices play an increasingly important role in advancing physics and engineering, and while improvements in nanofabrication and computational methods have driven dramatic…

physics.optics2020★ 37 cited

Enhanced cavity coupling to silicon monovacancies in 4-H Silicon Carbide using below bandgap laser irradiation and low temperature thermal annealing

Mena N. Gadalla, Andrew S. Greenspon, Rodrick Kuate Defo +2

The negatively charged silicon monovacancy in 4H-silicon carbide (SiC) is a spin-active point defect that has the potential to act as a qubit or quantum memory in solid-…

cond-mat.mes-hall2015★ 231 cited

\textit{Ab-initio} Tight-Binding Hamiltonian for Transition Metal Dichalcogenides

Shiang Fang, Rodrick Kuate Defo, Sharmila N. Shirodkar +3

We present an accurate \textit{ab-initio} tight-binding hamiltonian for the transition-metal dichalcogenides, MoS, MoSe, WS, WSe, with a minimal basis (the \textit{…