209 citations · 450 across the 23 of their papers we have counts for
25 papers
Signature of GW from the Hidden Sector in light of the Recent LZ Event
Sujit Kumar Sahoo, Narendra Sahu, Vicky Singh Thounaojam
The LZ collaboration has recently reported a single nuclear-recoil event at keV, observed in a 2.84 tonne-year exposure with a local sign…
Resurrecting Electroweak Dark Matter via Type-II Seesaw in light of recent LZ Event
Partha Kumar Paul, Sujit Kumar Sahoo, Narendra Sahu +1
The recent observation of the high-energy nuclear recoil event LZ230616 with a recoil energy around 248 keV provides an interesting possibility to probe inelastic doublet dark matt…
Inelastic Singlet-Doublet Fermion Dark Matter in light of the 248 keV LZ event
Debasish Borah, Sujit Kumar Sahoo, Narendra Sahu +1
Recently, the LUX-ZEPLIN (LZ) collaboration reported the observation of a single dark matter (DM)-nucleus scattering event at a nuclear recoil energy of $248\pm23_{\rm stat}\pm23_{…
A Piecewise-Linear Approximation-based Energy-Efficient Error-Optimized Unsigned Square Rooter for Accuracy-Critical Applications
Prateek Goyal, Sujit Kumar Sahoo
Approximate computing improves energy efficiency in error-resilient applications, but square root units remain challenging due to the trade-off between hardware cost and computatio…
Singlet-Doublet fermion origin of dark matter, neutrino mass and inverse first-order electroweak phase transition
Debasish Borah, Indrajit Saha, Sujit Kumar Sahoo +2
We study the possibility of an inverse first-order electroweak phase transition (IFOEWPT) and observable gravitational waves (GW) in a radiative neutrino mass model of scotogenic t…
Physics-Guided Self-Supervised Statistical Residual Learning for Sonar Despeckling with Improved Generalization
Swapna Pillai, Siddharth Singh Savner, Sujit Kumar Sahoo
This letter introduces a physics-informed self-supervised framework for sonar image despeckling that reformulates despeckling as residual consistency in the homomorphic log domain.…
E2AFS: Energy-Efficient Approximate Floating Point Square Rooter for Error Tolerant Computing
Prateek Goyal, Jatin Kumar Reddy Mothe, Swara Rajesh Shelke +1
Floating-point square-root computation is a power- and delay-critical operation in edge-AI, signal-processing, and embedded systems. Conventional implementations typically rely on…
Anatomy of RHN DM relic in the vanilla scotogenic neutrino mass model
Sujit Kumar Sahoo, Narendra Sahu, Vicky Singh Thounaojam
The scotogeneic neutrino mass models are very popular choices to generate light neutrino masses via radiative mechanism. In these models, the particles running in the loop are dist…
Gravitational Wave Probe of Singlet-Doublet Dark Matter Induced Radiative Neutrino Mass
Ujjal Kumar Dey, Santu Kumar Manna, Partha Kumar Paul +2
We investigate an one loop radiative neutrino mass model, where the loop particles, notably a singlet fermion (), a doublet fermion () and three generations of singlet scalar…
Impact of conversion-driven processes on singlet-doublet Majorana dark matter relic
Partha Kumar Paul, Sujit Kumar Sahoo, Narendra Sahu
The singlet-doublet dark matter model offers a rich framework for exploring the nature of dark matter (DM) through its unique fermion structure. In this model, the important parame…
Viability of post-inflationary freeze-in with precision cosmology
Anirban Biswas, Sougata Ganguly, Dibyendu Nanda +1
Prediction of inflationary observables from the temperature fluctuation of Cosmic Microwave Background (CMB) can play a pivotal role in predicting the reheating dynamics in the ear…
Diffuse Optical Ptychography
Mingwei He, Sujit K. Sahoo, Chengyuan Xiao +1
Various imaging techniques have significantly enhanced our ability to visualize objects embedded within complex media such as biological tissues, fog, atmosphere, or various turbid…
Effective theory of light Dirac neutrino portal dark matter with observable
Debasish Borah, Satyabrata Mahapatra, Dibyendu Nanda +2
We study the possibility of light Dirac neutrino portal dark matter (DM) in an effective field theory setup. Dirac nature of light neutrino automatically includes its right chiral…
Hybrid Rate-Splitting and Sparse Code Multiple Access (RS-SCMA): Design and Performance
Minerva Priyadarsini, Zilong Liu, Kuntal Deka +2
This paper proposes, for the first time, a hybrid multiple access framework that integrates the principles of rate-splitting (RS) and sparse code multiple access (SCMA) in an SISO…
Anatomy of singlet-doublet dark matter relic: annihilation, co-annihilation, co-scattering, and freeze-in
Partha Kumar Paul, Sujit Kumar Sahoo, Narendra Sahu
The singlet-doublet vector-like fermion dark matter model has been extensively studied in the literature over the past decade. An important parameter in this model is the singlet-d…
Self Interacting Dark Matter and Dirac neutrinos via Lepton Quarticity
Satyabrata Mahapatra, Sujit Kumar Sahoo, Narendra Sahu +1
In this paper, we put forward a connection between the self-interacting dark matter and the Dirac nature of neutrinos. Our exploration involves a discrete symmet…
Singlet-doublet fermion dark matter with Dirac neutrino mass, and
Debasish Borah, Satyabrata Mahapatra, Dibyendu Nanda +2
We study the possibility of generating light Dirac neutrino mass via scotogenic mechanism where singlet-doublet fermion dark matter (DM) plays non-trivial role in generating one-lo…
A method to extract macroscopic interface data from microscale rough/porous wall flow fields
Vedanth N Kuchibhotla, Sujit Kumar Sahoo, Y. Sudhakar
Performing geometry-resolved simulations of flows over rough and porous walls is highly expensive due to their multiscale characteristics. Effective models that circumvent this dif…
Non-invasive super-resolution imaging through scattering media using fluctuating speckles
Xiangwen Zhu, Sujit Kumar Sahoo, Giorgio Adamo +3
Extending super-resolution imaging techniques to objects hidden in strongly scattering media potentially revolutionize the technical analysis for much broader categories of samples…
Non-invasive optical focusing inside strongly scattering media with linear fluorescence
Dayan Li, Sujit Kumar Sahoo, Huy Quoc Lam +2
Non-invasive optical focusing inside scattering media is still a big challenge because inhomogeneous media scatter both incoming photons for focusing and outgoing photons for obser…
Noninvasive super-resolution imaging through scattering media
Dong Wang, Sujit Kumar Sahoo, Cuong Dang
Super-resolution imaging with advanced optical systems has been revolutionizing technical analysis in various fields from biological to physical sciences. However, many objects are…
Single shot large field of view imaging with scattering media by spatial demultiplexing
Sujit Kumar Sahoo, Dongliang Tang, Cuong Dang
Optically focusing and imaging through strongly scattering media are challenging tasks but have widespread applications from scientific research to biomedical applications and dail…
Single-shot multispectral imaging with a monochromatic camera
Sujit Kumar Sahoo, Dongliang Tang, Cuong Dang
Multispectral imaging plays an important role in many applications from astronomical imaging, earth observation to biomedical imaging. However, the current technologies are complex…
Enhancing security of optical cryptosystem with position-multiplexing and ultra-broadband illumination
Dongliang Tang, Sujit Kumar Sahoo, Cuong Dang
A position-multiplexing based cryptosystem is proposed to enhance the information security with an ultra-broadband illumination. The simplified optical encryption system only conta…