Slow-light vortices in periodic waveguides

Andrey A. Sukhorukov; Sangwoo Ha; Anton S. Desyatnikov; Andrei V. Lavrinenko; Yuri S. Kivshar

doi:10.1117/12.816331

2 February 2009 Slow-light vortices in periodic waveguides

Andrey A. Sukhorukov, Sangwoo Ha, Anton S. Desyatnikov, Andrei V. Lavrinenko, Yuri S. Kivshar

Proceedings Volume 7226, Advances in Slow and Fast Light II; 72260T (2009) https://doi.org/10.1117/12.816331
Event: SPIE OPTO: Integrated Optoelectronic Devices, 2009, San Jose, California, United States

Abstract

We reveal that the reduction of the group velocity of light in periodic waveguides is generically associated with the presence of vortex energy flows. We show that the energy flows are gradually frozen for slow-light at the Brillouin zone edge, whereas vortices persist for slow-light states having non-vanishing phase velocity inside the Brillouin zone. We also demonstrate that presence of vortices can be linked to the absence of slow-light at the zone edge, and present calculations illustrating these general results.

Citation Download Citation

Andrey A. Sukhorukov, Sangwoo Ha, Anton S. Desyatnikov, Andrei V. Lavrinenko, and Yuri S. Kivshar "Slow-light vortices in periodic waveguides", Proc. SPIE 7226, Advances in Slow and Fast Light II, 72260T (2 February 2009); https://doi.org/10.1117/12.816331

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