Quantum Information through Angular momentum of Photon
Dipti Banerjee, Dipan Sinha
TL;DR
This paper explores how the angular momentum of photons can be used for quantum information transfer, utilizing wave plates and birefringent media to manipulate geometric phases and orbital angular momentum.
Contribution
It introduces a method to generate and control geometric phases and orbital angular momentum in photons using twisted birefringent media and wave plates.
Findings
Geometric phase is developed through photon passage in wave plates.
Orbital angular momentum gain is achieved via geometric phase.
Photon angular momentum manipulation enables quantum information applications.
Abstract
The angular momentum of photons is the key source of quantum information. The transfer angular momentum is possible as circularly polarized light passed through wave plates. The twisted birefringent medium behaves as Q-plate. The passage of circularly polarized light through two consecutive half wave plates traces a closed curve on Poincare sphere. As a result the geometric phase in association with gain of orbital angular momentum is developed.
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Taxonomy
TopicsQuantum Mechanics and Applications · Quantum Information and Cryptography