Zobrazeno 1 - 10
of 53
pro vyhledávání: '"Lal, Nijil"'
Autor:
Schiano, Carlo, Sephton, Bereneice, Aiello, Roberto, Graffitti, Francesco, Lal, Nijil, Chiuri, Andrea, Santoro, Simone, Amato, Luigi Santamaria, Marrucci, Lorenzo, de Lisio, Corrado, D'Ambrosio, Vincenzo
Quantum interference is a central resource in many quantum-enhanced tasks, from computation to communication protocols. While it usually occurs between identical input photons, quantum interference can be enabled by projecting the quantum state onto
Externí odkaz:
http://arxiv.org/abs/2306.13821
Autor:
Lal, Nijil, Mishra, Sarika, Rani, Anju, Banerji, Anindya, Perumangattu, Chithrabhanu, Singh, R. P.
Duality in the entanglement of identical particles manifests that entanglement in only one variable can be revealed at a time. We demonstrate this using polarization and orbital angular momentum (OAM) variables of indistinguishable photons generated
Externí odkaz:
http://arxiv.org/abs/2104.11784
Autor:
Biswas, Ayan, Banerji, Anindya, Lal, Nijil, Chandravanshi, Pooja, Kumar, Rupesh, Singh, Ravindra P.
In this article, we introduce a quantum key distribution protocol for the line of sight channels based on coincidence measurements. We present a proof-of-concept implementation of our protocol. We show that using coincidence measurements to monitor m
Externí odkaz:
http://arxiv.org/abs/2008.07166
We have studied correlations in the speckle patterns generated by the scattering of perfect optical vortex (POV) beams and used them for producing a new-class of coherence functions, namely Bessel coherence functions. Higher (zeroth) order Bessel coh
Externí odkaz:
http://arxiv.org/abs/2002.01237
Publikováno v:
New Journal of Physics 22, 113020 (2020)
Spatial modes of light directly give the most easily accessible degree of freedom that span an infinite dimensional Hilbert space. The higher dimensional spatial mode entanglement realized using spontaneous parametric down conversion (SPDC) process i
Externí odkaz:
http://arxiv.org/abs/1911.00457
Akademický článek
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Publikováno v:
Rev. Sci. Instrum. 90, 113104 (2019)
Heralded single photon sources (HSPS) from spontaneous parametric down-conversion are widely used as single photon sources. We study the photon number statistics of an HSPS carrying orbital angular momentum in our laboratory and observe the sub-Poiss
Externí odkaz:
http://arxiv.org/abs/1907.10513
In this article we investigate the orbital angular momentum spectrum of photons produced in parametric down conversion process. We study how the transverse profile of the pump mode affects the spectrum as compared to a gaussian pump beam. We show tha
Externí odkaz:
http://arxiv.org/abs/1905.02554
We study the correlation properties of single photons carrying orbital angular momentum (OAM) in a Hanbury Brown and Twiss (HBT) type experiment. We have characterized single photon sources obtained by pumping a nonlinear crystal with a laser beam ca
Externí odkaz:
http://arxiv.org/abs/1905.01089
Akademický článek
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