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Picosecond synchronization of mode-locked lasers for metropolitan-scale quantum networks
Cory Nunn, Nijil Lal, Ivan Burenkov +4
We demonstrate picosecond-level synchronization of two actively mode-locked Ti:Sapphire lasers via the White Rabbit Precision Time Protocol (WR-PTP), tested over 120 km of deployed…
Selective tuning of Hilbert spaces in states encoded with spatial modes of light
Ali Anwar, Nijil Lal, Shashi Prabhakar +1
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…
Observing sub-Poissonian statistics of twisted single photons using oscilloscope
Nijil Lal, Biveen Shajilal, Ali Anwar +2
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 carryin…
Engineering of orbital angular momentum spectrum of down-converted photons with mode-invariant pump
Anindya Banerji, Ali Anwar, Hrushikesh Sable +2
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…
Selecting the pre-detection characteristics for effective fiber coupling of entangled photon sources
Ali Anwar, Chithrabhanu P, Salla Gangi Reddy +2
Photon modes have an important role in characterizing the quantum sources of light. Proper coupling of various photon modes obtained in spontaneous parametric down conversion (SPDC…