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Title: Scaling of Raman amplification in realistic slow-light photonic crystal waveguides
Authors: Rey, Isabella Helen
Lefevre, Yannick
Schulz, Sebastian Andreas
Vermeulen, Nathalie
Krauss, Thomas Fraser
Keywords: QC Physics
Issue Date: 20-Jul-2011
Citation: Rey , I H , Lefevre , Y , Schulz , S A , Vermeulen , N & Krauss , T F 2011 , ' Scaling of Raman amplification in realistic slow-light photonic crystal waveguides ' Physical Review B , vol 84 , no. 3 , 035306 .
Abstract: The prospect for low pump-power Raman amplification in silicon waveguides has recently been boosted by theoretical studies discussing the enhancement of nonlinear phenomena in slow-light structures. In principle, the slowing down of either the pump or the signal beam is equivalent in terms of Raman gain, but in the presence of losses, we show that they play different roles in determining the net signal gain. We also investigate the impact of the mode profile in realistic slow-light waveguides on the total gain, an effect that is usually neglected in the context of stimulated Raman scattering. By taking representative losses and mode shapes into account, we provide a realistic estimation of the achievable performance of slow-light photonic crystal waveguides.
Version: Publisher PDF
Status: Peer reviewed
URI: http://hdl.handle.net/10023/2848
DOI: http://dx.doi.org/10.1103/PhysRevB.84.035306
ISSN: 1098-0121
Type: Journal article
Rights: ©2011 American Physical Society
Appears in Collections:University of St Andrews Research
Physics & Astronomy Research



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