Research Thrust:
Chandrashekar’s primary research interest is in the area of quantum information theory, quantum computing and to understand and simulate quantum phenomena in nature for better understanding of nature. Though he is primarily trained as a theorist, his interests in experiments has led him to establish an experimental group which is working on various projects related to quantum technology and probing foundational aspects of quantum physics using single and entangled photons. Some of the topics of expertise is listed below.
-
Quantum Information Theory and Algorithms:
Research focuses on quantum information theory, quantum algorithms, and quantum walks.
-
Quantum Information Processing and Computation:
Work includes quantum information processing and photonic quantum computation.
-
Quantum Optics and Photonic Technologies:
Exploration of quantum optics and quantum technologies using single and entangled photons.
-
Relativistic Quantum Physics and Particle Systems:
Study of relativistic quantum physics and particle physics using qubits.
-
Simulation of Quantum Phenomena:
Simulation and understanding of quantum phenomena in nature using qubits, including applications in relativistic quantum physics, particle physics, and dynamics in chemical complexes.
Top 20% Publications:
-
Experimental realization of universal quantum gates and six-qubit entangled state using photonic quantum walk
K Sengupta, SP Dinesh, KM Shafi, S Asokan, CM Chandrashekar
Physical Review Applied 24, 024012
-
Deterministic quantum teleportation of a path-encoded state using entangled photons
AT Krishnan, K Sengupta, SP Dinesh, CM Chandrashekar
EPJ Quantum Technology 12, 133
-
Four-qubit photonic system for publicly verifiable quantum random numbers and generation of public and private key
M Kolangatt, A Verma, S Matta, K Sengupta, CM Chandrashekar
Physical Review A 110 (3), 032615
-
Quantum illumination using polarization-entangled photon pairs for enhanced object detection
K Sengupta, KM Shafi, S Asokan, CM Chandrashekar
Optics Express 32 (23), 40150
-
Accelerated first detection in discrete-time quantum walks using sharp restarts
K Shukla, R Chatterjee, CM Chandrashekar
Phys. Rev. Research 7, 023069
-
Quantum magnetometry using discrete-time quantum walk
K Shukla, CM Chandrashekar
Phys. Rev. A 109 (3), 032608
-
Open system approach to neutrino oscillations in a quantum walk framework
H Sahu, CM Chandrashekar
Quantum Information Processing 23 (1), 7
-
Multi-bit quantum random number generator from path-entangled single photons
K Muhammed Shafi, P Chawla, AS Hegde, RS Gayatri, A Padhye, et al.
EPJ Quantum Technology 10, 43
-
Quantum illumination using polarization-path entangled single photons for low reflectivity object detection in a noisy background
KM Shafi, A Padhye, CM Chandrashekar
Optics Express 31 (20), 32093-32104
-
Quantum direct communication protocol using recurrence in κ-cycle quantum walks
SS Panda, PAA Yasir, CM Chandrashekar
Physical Review A 107 (2), 022611
Patents and Stats:
-
Quantum illumination and estimation of object reflectivity using polarization-entangled photon pairs
Kanad Sengupta, K. Muhammed Shafi, Soumya Asokan, C. M. Chandrashekar
IN Patent 554,686
-
Quantum lidar employing polarization-path entangled single photons
K. Muhammed Shafi, C. M. Chandrashekar
IN Patent 554,102
-
System for generating high-rate quantum random numbers from path-entangled single photons
K. Muhammed Shafi, Prateek Chawla, Abhaya S. Hegde, R. S. Gayatri, A. Padhye, C. M. Chandrashekar
IN Patent 502,089
