5 citations · 6 across the 9 of their papers we have counts for
9 papers
Deterministic Single-Photon Emitter Arrays in Hexagonal Boron Nitride by Carbon-Assisted Focused Ion Beam Engineering
Mangababu Akkanaboina, Rohit Kumar, Brijesh Kumar +4
The realization of on-chip photonic circuits requires scalable and deterministic single-photon emitters (SPEs) at room temperature, which remain a challenge in van der Waals materi…
Active Control of Topological Exceptional Points in Non-Hermitian Metasurfaces
Parul Sharma, Sobhan Subhra Mishra, Yash Gupta +4
Active control and ultrafast switching of non-Hermitian photonic systems are essential for next-generation reconfigurable optical technologies. Here, we demonstrate dynamic tempora…
From Atomic Defects to Integrated Photonics: A Perspective on Solid-State Quantum Light Sources
Anuj Kumar Singh, Parul Sharma, Kishor Kumar Mandal +2
Single-photon emitters (SPEs) constitute a foundational resource for quantum technologies, including secure communication, photonic quantum computing, and emerging quantum network…
Protected Ion Beam Fabrication of Two-Dimensional Transition Metal Dichalcogenides based Photonic Devices
Lekshmi Eswaramoorthy, Parul Sharma, Brijesh Kumar +4
Two-dimensional (2D) transition metal dichalcogenides are pivotal for next-generation photonic devices due to their exceptional optical properties and strong light-matter interacti…
Sensing with Broken Symmetry: Revisiting Bound States in the Continuum
Brijesh Kumar, Elizaveta Tsiplakova, Samuel John +6
Metasurface with bound states in the continuum (BICs) offer exceptional potential for optical sensing due to their inherently high quality (Q) factors. However, the detection of sy…
Focused ion beam polishing based optimization of high-Q silica microdisk resonators
Lekshmi Eswaramoorthy, Parul Sharma, Brijesh Kumar +5
Whispering gallery mode (WGM) microdisk resonators are promising optical devices that confine light efficiently and enable enhanced nonlinear optical effects. This work presents a…
Exceptional point sensing via energy loss profile in a non-Hermitian system
Parul Sharma, Brijesh Kumar, Nihar Ranjan Sahoo +1
The heightened sensitivity observed in non-Hermitian systems at exceptional points (EPs) has garnered significant attention. Typical EP sensor implementations rely on precise measu…
Polaritons in photonic hypercrystals of van der Waals materials
Nihar Ranjan Sahoo, Brijesh Kumar, S. S. Jatin Prasath +3
In-plane Hyperbolic Phonon polaritons (HPhPs) are quasiparticles formed via coupling of photons and optical phonons in in-plane hyperbolic materials and offer unique applications i…
A universal and stable metasurface for photonic quasi bound state in continuum coupled with two dimensional semiconductors
Brijesh Kumar, Anuj Kumar Singh, Kishor K Mandal +3
Strong coupling of excitons to optical cavity modes is of immense importance to understanding the fundamental physics of quantum electrodynamics at the nanoscale as well as for pra…