Phys. Rev. Lett. 97, 063901 (2006) [4 pages]Large Cross-Phase Modulation between Slow Copropagating Weak Pulses in 87RbSee Also: Erratum Received 26 January 2006; published 9 August 2006 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. © 2006 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.97.063901
DOI:
10.1103/PhysRevLett.97.063901
PACS:
42.65.−k, 03.67.−a, 42.50.Gy
See AlsoErratum: Zeng-Bin Wang, Karl-Peter Marzlin, and Barry C. Sanders, Erratum: Large Cross-Phase Modulation between Slow Copropagating Weak Pulses in 87Rb [Phys. Rev. Lett. 97, 063901 (2006)], Phys. Rev. Lett. 98, 109901 (2007). |
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