Semi-quantum key distribution in networks with OAM states of light

R Bala, S Asthana, V Ravishankar - Frontiers in Optics, 2022 - opg.optica.org
R Bala, S Asthana, V Ravishankar
Frontiers in Optics, 2022opg.optica.org
… Abstract: We present two semi-quantum key distribution protocols–(i) to share a key among
N participants, (ii) to share keys in distinct layers of a network simultaneously with separable
orbital angular momentum states of light. … The protocols designed for distribution of keys in
a network usually employ multiparty entangled states whose generation is yet in its infancy [3].
This has directed us towards proposals of two semiquantum key distribution protocols that do
not employ entangled states. The first protocol employ a ququart whose security is contingent …
Abstract
We present two semi-quantum key distribution protocols-(i) to share a key among N participants,(ii) to share keys in distinct layers of a network simultaneously with separable orbital angular momentum states of light.
opg.optica.org
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