15 citations · 33 across the 11 of their papers we have counts for
11 papers
Gate-based emulation of boson sampling using photonic qubits
Aastha P. Zalone, S. P. Dinesh, C. M. Chandrashekar
Boson sampling arising from multiphoton interference in linear-optical networks is a prominent non-universal model for quantum computation. Here, by encoding the multi-qubit state…
Deterministic Quantum Phase Estimation with Linear Circuit Complexity in a Photonic System
M. Midhuna, Ajay Jayachandran, Kanad Sengupta +2
Quantum algorithms solve certain computational problems faster than the best known classical algorithms. Many algorithms, including Shor's for factoring, Grover's for unstructured…
A Quantum-Walk Representation of Color-Ordered MHV Scattering Amplitudes
Anirudh Verma, C. M. Chandrashekar
We introduce a graph-theoretic framework for representing color-ordered maximally helicity violating (MHV) scattering amplitudes in quantum chromodynamics using coined quantum walk…
Long distance quantum illumination and ranging using polarization entangled photon pairs in a lossy environment
Sujai Matta, Soumya Asokan, Sanchari Chakraborti +3
Using polarization entangled photon pairs, we demonstrate a robust scheme for quantum illumination and ranging in a lossy environment. Entangled photon pairs are generated in a Sag…
Photonic Simulation of Beyond-Quantum Nonlocal Correlations (e.g. Popescu-Rohrlich Box) with Non-Signaling Quantum Resources
Kunal Shukla, Anirudh Verma, Kanad Sengupta +3
Bell nonlocality exemplifies the most profound departure of quantum theory from classical realism. Yet, the extent of nonlocality in quantum theory is intrinsically bounded, fallin…
Deterministic quantum teleportation of a path-encoded state using entangled photons
Akshai T. Krishnan, Kanad Sengupta, S. P. Dinesh +1
Quantum teleportation enables a way to transmit an arbitrary qubit state from one place to an other. A standard scheme for teleportation in optical setup involve three photons, an…
Accelerated first detection in discrete-time quantum walks using sharp restarts
Kunal Shukla, Riddhi Chatterjee, C. M. Chandrashekar
Restart is a common strategy observed in nature that accelerates first-passage processes and has been extensively studied using classical random walks. In the quantum regime, resta…
Four-qubit photonic system for publicly verifiable quantum random numbers and generation of public and private key
Mayalakshmi Kolangatt, Anirudh Verma, Sujai Matta +2
We theoretically propose and experimentally demonstrate the use of a configurable four-qubit photonic system to generate a publicly verifiable quantum random numbers, to perform en…
Experimental realization of universal quantum gates and six-qubit entangled state using photonic quantum walk
Kanad Sengupta, S. P. Dinesh, K. Muhammed Shafi +2
For quantum computation using photons, performing deterministic quantum gate operations is a challenge due to the probabilistic nature of the photon-photon interaction. Encoding qu…
Quantum illumination using polarization-entangled photon pairs for enhanced object detection
Kanad Sengupta, K. Muhammed Shafi, Soumya Asokan +1
Entangled light sources for illuminating objects offer advantages over conventional illumination methods by enhancing the detection sensitivity of reflecting objects. The core of t…
Quantum magnetometry using discrete-time quantum walk
Kunal Shukla, C. M. Chandrashekar
Quantum magnetometry uses quantum resources to measure magnetic fields with precision and accuracy that cannot be achieved by its classical counterparts. In this paper, we propose…