5 papers · 1 filter
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…