On the phase-space analysis of photon mediated quantum state transfer in nanophotonic waveguidance

Md Mijanur Rahman, Pankaj Kumar Choudhury

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

A cavity quantum electrodynamics (QED) based approach for transferring quantum state between quantum nodes has been proposed, wherein a rubidium ( 87Rb) atom trapped inside a two-mode optical cavity forms the quantum node and photons serve as the information carrier between two such nodes. Information is encoded into polarized photon states generated through the application of a system of lasers. The focus is made on the phase-space analysis of the approach, wherein two subspaces of the hyperfine energy levels with magnetic sub-levels of rubidium (87Rb) atom represent the logic states '0' and '1'. The system of lasers initiates a cavity assisted Raman process which, in turn, generates a right- or left-circularly polarized photon depending on the logic state of the transmit node. Once the photon is received (at the receive node), the logic state of the transmit node is restored into the receive node through a cavity QED process.

Original languageEnglish
Pages (from-to)4278-4281
Number of pages4
JournalOptik
Volume124
Issue number20
DOIs
Publication statusPublished - Oct 2013

Fingerprint

Nanophotonics
Photons
Rubidium
logic
cavities
Electrodynamics
photons
quantum electrodynamics
rubidium
Atoms
Lasers
Electron energy levels
lasers
atoms
energy levels

Keywords

  • Cavity quantum electrodynamics
  • Electromagnetic optics

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics

Cite this

On the phase-space analysis of photon mediated quantum state transfer in nanophotonic waveguidance. / Rahman, Md Mijanur; Choudhury, Pankaj Kumar.

In: Optik, Vol. 124, No. 20, 10.2013, p. 4278-4281.

Research output: Contribution to journalArticle

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