Large Cross-Phase Modulation between Slow Copropagating Weak Pulses inRb<mml:mprescripts/><mml:none/>87

2006/02/28 by Zengbin Wang, Zeng-Bin Wang, Karl-Peter Marzlin +1 · 4 citations
Computer Science · Physics and Astronomy · #Atomic and Subatomic Physics Research #Quantum Information and Cryptography #Quantum optics and atomic interactions #quant-ph

paper · pdf · doi:10.1103/physrevlett.97.063901

published as Phys. Rev. Lett. 97, 063901 (2006) · 4 pages, 2 figures

openalex publication_date 2006/08/09 · arxiv created 2006/08/21 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28

Abstract

We propose a scheme to generate double electromagnetically induced transparency and optimal cross-phase modulation for two slow, copropagating pulses with matched group velocities in a single species of atom, namely 87Rb. A single pump laser is employed and a homogeneous magnetic field is utilized to avoid cancellation effects through the nonlinear Zeeman effect. We suggest a feasible preparational procedure for the atomic initial state to achieve matched group velocities for both signal fields.

Citations

• Magneto-optical rotation and cross-phase modulation via coherently driven four-level atoms in a tripod configuration
• Stationary pulses of light in an atomic medium
• Electromagnetically Induced Transparency

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• Bootstrapping Approach for Generating Maximally Path-Entangled Photon States
• Continuous-time cross-phase modulation and quantum computation
• Violations of Bell’s inequality for Gaussian states with homodyne detection and nonlinear interactions
• Quantum interface between light and atomic ensembles