5 citations · 5 across the 9 of their papers we have counts for
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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…
Maximal optical chirality via mode coupling in bilayer metasurfaces
Brijesh Kumar, Ivan Toftul, Anshuman Kumar +2
Recent advances in the physics of resonant optical metasurfaces allowed to realize the so-called maximum chirality of planar structures by engineering their geometric parameters. H…
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…
Twisted hyperbolic van der Waals crystals for full Stokes mid-infrared polarization detection
Nihar Ranjan Sahoo, S. S. Jatin Prasath, Brijesh Kumar +1
Investigating the polarization properties of light in the mid-infrared (mid-IR) spectrum is crucial for molecular sensing, biomedical diagnostics, and IR imaging system technologie…
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…
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…