Large cross-phase modulation between slow copropagating weak pulses in ⁸⁷Rb

Zeng-Bin Wang, Karl-Peter Marzlin, Barry C. Sanders

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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.
Original languageEnglish
Pages (from-to)063901-1-063901-4
Number of pages4
JournalPhysical Review Letters
Volume97
Issue number6
DOIs
Publication statusPublished - 2006

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Bibliographical note

Copyright 2006 by The American Physical Society. Reprinted from Physical review letters.

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