11 citations · 47 across the 20 of their papers we have counts for
20 papers
Spatiotemporal Stabilization of Turbulence-Distorted Gaussian Beams via Waveguide Spatial Filtering
Shouvik Sadhukhan, C. S. Narayanamurthy
Optical beams propagating through atmospheric turbulence undergo spatiotemporal intensity fluctuations that deviate significantly from an ideal Gaussian profile. In this work, we p…
Vectorial Control of Scintillation in Kolmogorov Turbulence and Quality Parametrization
Shouvik Sadhukhan, Shirsendu Sarkar, C. S. Narayanamurthy +1
Intensity scintillation limits free-space optical links in strong turbulence. We examine experimentally how sequential linear polarization filtering modifies the scintillation of a…
Conventional Scintillation Statistics with Turbulence Impacted Coupled Dipole Oscillation
Shouvik Sadhukhan, C. S. Narayanamurthy
We investigate the propagation of optical fields through polymethyl methacrylate (PMMA) rods under atmospheric turbulence conditions, employing a generalized Lorentz dipole oscilla…
Turbulence Impacted Wavefront Corrections Using Beam Modulation Technique
Shouvik Sadhukhan, C. S. Narayanamurthy
New experimental technique have been proposed to discuss the turbulence impact reduction using beam shaping technique. In first phase of experiments, turbulence Impacted Vortex bea…
Classical field statistical phase-space analysis of passive turbulence mitigation using PMMA dielectric media
Shouvik Sadhukhan, C. S. Narayanamurthy
This study examines the influence of optical turbulence on field statistics using a nonlinear reconstruction and quantum phase-space formalism. Turbulence-distorted intensity seque…
Geometric Manifold Statistics of Turbulence-Impacted Beam Propagation and Compensation in Optical Communication
Shouvik Sadhukhan, C. S. Narayanamurthy
The present study extends the analysis of turbulence-affected beam statistics through a manifold-based statistical framework that unifies probabilistic modeling with geometric inte…
Turbulence Impacted Beam Statistics and Image Topology with Lorentz Dipole Oscillation
Shouvik Sadhukhan, C. S. Narayanamurthy
This work presents a rigorous statistical and geometric framework for analyzing turbulence-impacted beam propagation and image topology with results obtained using a PMMA slab. The…
Coupled Dipole Oscillation Enabled Scintillation Compensation in Turbulence-Impacted Laser Beam
Shouvik Sadhukhan, C. S. Narayanamurthy
The present work develops a rigorous framework for collective dipole oscillations in dense dielectric media by extending the Lorentz oscillator model to include both quadratic (sec…
A Non-Linear Type Equation of State and Cosmic Fluid Dynamics
Shouvik Sadhukhan, Alokananda Kar, Surajit Chattopadhyay
In this chapter we have introduced a special type of non-linear equation of state to discuss the cosmological evolution mechanism. The new equation of state is a four parameters mo…
Binary Interaction with Multiple Fluid Type Cosmology Under Modified Gravity Frame
Alokananda Kar, Shouvik Sadhukhan
In the present chapter, we have established multiple fluid cosmological models under interaction scenarios. the interaction model we have established is a binary type of interactio…
Study of Einstein Equivalence Principle with Sagnac Effect in Lorentz and Galilean Frame
Shouvik Sadhukhan
Sagnac effect has been studied in terms of Gyroscopic system in both Lorentz frame as well as flat Einstein frame. The Einstein equivalence principle has been used to determine the…
Multiple fluid theory of cosmic evolution and its thermodynamic analysis
Shouvik Sadhukhan, Alokananda Kar, Surajit Chattopadhyay
In this paper we have discussed the modified gravity and scalar field DE model specifically DBI essence model with the analysis of thermodynamics during cosmological evolution. We…
Buchdahl Spacetime with Compact Body Solution of Charged Fluid and Scalar Field Theory
Manuel Malaver de la Fuente, Rajan Iyer, Alokananda Kar +3
The present work contains a discussion on compact stellar body that is influenced by the effects electromagnetic fields. We have tried to discuss a solution of Einstein-Maxwell fie…
Spectral Switch Anomalies in Sagnac Interferometer with respect to Galilean Frame
Shouvik Sadhukhan, Saikat Sadhukhan, Maruthi M Brundavanam +1
We report the spectral switch shift around spectral anomalies in a gyroscopic Sagnac interferometer which is normally used to calibrate the angular momentum of a gyroscope. The spe…
Reconstruction of DBI-essence dark energy with f(R) gravity and its effect on black hole and wormhole mass accretion
Alokananda Kar, Shouvik Sadhukhan, Ujjal Debnath
In this paper, we have used the reconstructed DBI-essence dark energy density to modify the mass accretions of black holes and wormholes. In general, the black hole mass accretion…
Energy conditions for Inhomogeneous EOS and its Thermodynamics analysis with the resolution on finite time future singularity problems
Alokananda Kar, Shouvik Sadhukhan, Surajit Chattopadhay
In this paper we study two different cases of inhomogeneous EOS of the form p_d = ω(t)ρ_d+w_1 f(H, t) . We derive the energy density of dark fluid and dark matter component for bot…
Thermodynamics and energy condition analysis for Van-Der-Waals EOS without viscous cosmology
Alokananda Kar, Shouvik Sadhukhan, Surajit Chattopadhyay
In this paper we have studied Van-Der-Waals fluid system with the generalized EOS as as discussed in the recent works of Kremer, G.M [1, 4], Vardiashvili, G [2], Jantsch, R.C [3],…
Thermodynamic analysis for Non-linear system (Van-der-Waals EOS) with viscous cosmology
Shouvik Sadhukhan, Alokananda Kar, Surajit Chattopadhyay
The following paper has been motivated from recent works of Kremer, G.M [1, 4], Vardiashvili, G [2], Jantsch, R.C [3], Capozziello, S [5] on Van-Der-Waals EOS cosmology. The main a…
Condensed body mass accretion with DBI-essence dark energy and its reconstruction with f(Q) gravity
Alokananda Kar, Shouvik Sadhukhan, Ujjal Debnath
We have studied the reconstruction formalism of the DBI-essence dark energy scalar field model with the help of non-metricity of gravity or f(Q) gravity. The critical analysis has…
A theoretical model of Dark Energy Stars in Einstein-Gauss-Bonnet Gravity
M. Malaver, H. D. Kasmaei, R. Iyer +2
Dark energy stars research is an issue of great interest since recent astronomical observations with respect to measurements in distant supernovas, cosmic microwave background and…