Nano-diamonds: transformative nanoscale material in advancing biosensor technology

JA Buledi, A Hyder, AR Solangi, R Darabi… - Inorganic Chemistry …, 2024 - Elsevier
In recent years, nanodiamonds (NDs) have emerged as a versatile and remarkable
nanomaterial, garnering significant attention across various technological domains. This …

Kerker condition for enhancing emission rate and directivity of single emitter coupled to dielectric metasurfaces

M Khokhar, FA Inam, RV Nair - Advanced Optical Materials, 2022 - Wiley Online Library
Metasurfaces have the ability to control classical and non‐classical states of light to achieve
controlled emission even at the level of a single emitter. Here, the Kerker condition induced …

Nitrogen vacancy luminescence and their phonon sidebands characteristics in nitrogen-doped diamond

R Guo, K Wang, Y Tian, H Wang - Journal of Alloys and Compounds, 2022 - Elsevier
In this work, the nitrogen vacancy (NV) luminescence properties and their phonon
sidebands in both high and low nitrogen diamonds after electron irradiation and subsequent …

Opto-thermoelectric trapping of fluorescent nanodiamonds on plasmonic nanostructures

A Shukla, S Tiwari, A Majumder, K Saha… - Optics Letters, 2023 - opg.optica.org
Deterministic optical manipulation of fluorescent nanodiamonds (FNDs) in fluids has
emerged as an experimental challenge in multimodal biological imaging. Designing and …

Polymer-based self-assembled photonic crystals to tune light transport and emission

SK Saini, RV Nair - Chemical Communications, 2022 - pubs.rsc.org
The advent of photonic crystals has made possible the idea of controlling flows of light,
which has revolutionized photonics-based technology. Photonic crystals are constructed …

Strongly inhibited spontaneous emission of PbS quantum dots covalently bound to 3D silicon photonic band gap crystals

AS Schulz, M Kozoˇn, GJ Vancso… - The Journal of …, 2024 - ACS Publications
We present an optical study of the spontaneous emission of lead sulfide (PbS) nanocrystal
quantum dots in 3D photonic band gap crystals made from silicon. The nanocrystals emit in …

Photonic Structure Induced Enhancement in the Triplet State Dynamics of Organic Phosphors at Room Temperature

SS Behera, A Ghorai, S Garain, RV Nair… - Advanced Optical …, 2023 - Wiley Online Library
Triplet state modification in organic phosphorescence molecules for a desired color and
quantum yield is typically pursued by chemical modification. A facile methodology is …

Background-free two-photon fluorescence readout via a three-photon charge-state modulation of nitrogen-vacancy centers in diamond

IV Fedotov, AM Zheltikov - Optics letters, 2019 - opg.optica.org
We demonstrate that a background-free readout of two-photon fluorescence from nitrogen-
vacancy (NV) centers in a strongly fluorescing environment can be accomplished by all …

Stacked metasurfaces for enhancing the emission and extraction rate of single nitrogen-vacancy centers in nanodiamond

M Khokhar, N Singh, RV Nair - Journal of Optics, 2022 - iopscience.iop.org
Dielectric metasurfaces with unique possibilities of manipulating light–matter interaction
lead to new insights in exploring spontaneous emission control using single quantum …

Observation of finite-size-induced emission decay rates in self-assembled photonic crystals

M Khokhar, Priya, RV Nair - Physical Review A, 2020 - APS
We study the extent of spontaneous emission inhibition in self-assembled photonic crystals
where the light path is routinely affected by unavoidable imperfections of the crystal and its …