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Raman-induced nonreciprocity in silicon photonic-crystal waveguides: benefits of slow light for optical isolators

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4 Author(s)
Krause, M. ; E-11 Optische Kommunikationstechnik, Tech. Univ. Hamburg-Harburg, Hamburg, Germany ; Meyne, S. ; Renner, H. ; Brinkmeyer, E.

The Raman-induced nonreciprocity of light propagation in photonic-crystal silicon waveguides is analysed. Although the Raman gain increases in the slow-light regime, the nonreciprocity is smaller. Thus, it is interesting that Raman-pumped optical isolators benefit from slow-light operation. Significant reductions in pump power and/or device length are found to be possible.

Published in:

Electronics Letters  (Volume:47 ,  Issue: 25 )