Implementation of Noise Immune QKD using BB84 Protocol In Time Division Multiplexing – Passive Optical Networks

Abstract

This paper proposes a cryptographic method know as quantum cryptography. Quantum cryptography(QC)uses quantum channel to exchange key securely and keeps unwanted parties or eavesdroppers from learning sensitive information. A technique called Quantum Key Distribution (QKD) is used to share random secret key by encoding the information in quantum states. Photons are the quantum material used for encoding. QKD provides an unique way of sharing random sequence of bits between users with a level of security not attainable with any other classical cryptographic methods. In this paper,BB84 protocol is used to implement QKD, that deals with the photon polarization states used to transmit the telecommunication information with high level of security and by random change of photons in case of any eve’s interruption using optical fiber. In this paper we have implemented BB84 protocol with eve’s attack detection using photonic simulator OptSim 5.2.
DOI: 10.17762/ijritcc2321-8169.160425