Ultrafast dynamics and strong two-photon absorption properties of nonplanar β-functionalized “push–pull” copper corroles with a mixed substituent pattern

I Yadav, M Shanu, JN Acharyya, GV Prakash… - Inorganic …, 2022 - ACS Publications
A new series of nonplanar and unsymmetrically β-functionalized “push–pull” copper
corroles, CuTPC (CHO) R7 [R= H, Br, Ph, Me, or 2-thienyl (Th)], were synthesized and …

Enhanced Femtosecond Nonlinearities and Multiphoton Absorptions in Discrete Bands of Porphyrins

M Shanu, JN Acharyya, M Sankar… - Inorganic …, 2023 - ACS Publications
Optical nonlinearities of discrete absorption energy levels of one of the typical heterocyclic
aromatic molecules, free-base porphyrins, have been probed over a broad spectral region …

Photonic band-edge assisted enhanced nonlinear absorption of carbon encapsulated gold nanostructures in polymeric multilayers

NP Purayil, AK Satheesan… - Optics & Laser …, 2023 - Elsevier
Integration of nonlinear optical materials in nanophotonic structures offers unprecedented
opportunities to tailor the light-matter interaction, resulting in tunable optical responses …

Combined Machine Learning, Computational, and Experimental Analysis of the Iridium (III) Complexes with Red to Near-Infrared Emission

A Karuth, GM Casanola-Martin, L Lystrom… - The Journal of …, 2024 - ACS Publications
Various coordination complexes have been the subject of experimental and theoretical
studies in recent decades because of their fascinating photophysical properties. In this work …

Photonic Band Gap and Fractal Resonances in Aperiodic Cantor-like Self-Similar a:SiNx Photonic Structures

A Kuriakose, JN Acharyya, P Srivastava… - ACS Applied Optical …, 2024 - ACS Publications
Aperiodic (quasi-periodic) photonic crystal-like fractal resonant cantor set structures exhibit
self-similarity and self-scaling features. The optical features of fractal resonances in various …

Tamm Plasmon-Mediated Tunable Absorption Switching in Atomically Precise Pt17 Nanoclusters for Nonlinear Photonic Applications

AK Satheesan, N Puthiya Purayil, J Singh… - ACS Applied Nano …, 2024 - ACS Publications
Metal nanoclusters, created with atomic precision, are an exceptional class of ultrasmall
molecule-like functional materials with wide applications in nonlinear nanophotonics. These …

Hybrid Plasmonic Coupled Nanophotonic Cavity-Mediated Tunable Nonlinear Absorption in Cobalt Phthalocyanine

N Puthiya Purayil, C Keloth - The Journal of Physical Chemistry C, 2023 - ACS Publications
Light–matter interaction in subwavelength-scale optical confinement structures is a hot topic
in basic science and the photonic industry. Materials experiencing high electric field strength …

1064 nm laser adaptive limiter with visible light transparency based on one dimensional photonic crystal of LiNbO3 defect

G Xu, Z Lu, J Yuan, J Tan - Nanoscale, 2024 - pubs.rsc.org
Herein, we present the investigation of visible light transparency and optical limiting
characteristics of one dimensional photonic crystal with LiNbO3 defect fabricated by …

Structurally influenced optical nonlinearities and ultrafast dynamics in β-acroleyl-and β-dicyanobutadienyl-appended cobalt corroles

I Yadav, JN Acharyya, GV Prakash… - Physical Chemistry …, 2024 - pubs.rsc.org
Structurally influenced optical nonlinearities and ultrafast dynamics in β-acroleyl- and β-dicyanobutadienyl-appended
cobalt corroles - Physical Chemistry Chemical Physics (RSC Publishing) DOI:10.1039/D4CP00090K …

Ultrafast pulse propagation and spectral broadening in metal-dielectric 1D photonic crystal

JN Acharyya, S Singh, M Shanu, GV Prakash… - Optical Materials, 2022 - Elsevier
A huge spectral broadening of a femtosecond laser pulse after propagation through a very
thin (∼ 1 μm) one-dimensional (1D) metal-dielectric (MD) photonic structure is reported. The …