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Journal of the Optical Society of America B

Ultraslow temporal vector optical solitons in a cold four-level tripod atomic system

Liu-Gang Si, Wen‐Xing Yang, Xiaoxue Yang

Published Feb 17, 2009• 62 citations
Publisher

Abstract

We show the possibility of generating ultraslow temporal vector optical solitons in a cold lifetime-broadened four-level tripod atomic medium under Raman excitation. We demonstrate that the two orthogonally polarized components of the low-intensity signal field can evolve into various distortion-free temporal vector optical solitons, such as bright-bright vector solitons with ultraslow group velocity. These results are produced from the balance of self- and cross-phase modulation effects and dispersion. We also show that Manakov temporal vector solitons may be realized by adjusting the corresponding self- and cross-phase modulation and dispersion effects of our system.

DOI
10.1364/josab.26.000478

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