Spectral Bandwidth and Phase Effects of Resonantly Excited Ultrafast Surface Plasmon Pulses

Achermann, M.. (2008) Spectral Bandwidth and Phase Effects of Resonantly Excited Ultrafast Surface Plasmon Pulses. Applied Physics Letters, 93. ISSN 0003-6951

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Abstract

We report on the detailed analysis of femtosecond surface plasmon polariton (SPP) pulse generation under resonant excitation. Using prism coupling technique we excite femtosecond SPP pulses at a gold/air interface with ultrafast laser pulses. We show that the photon-SPP coupling is a resonant process with a finite spectral bandwidth that causes a spectral phase shift and a narrowing of the SPP pulse spectrum. Both effects result in a temporal pulse broadening and, therefore, set a lower limit on the duration of ultrafast SPP pulses with consequences for ultrafast SPP applications.

Item Type: Article
Additional Information: Copyright (2008) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.
InterNano Taxonomy: Nanomanufacturing Characterization Techniques
Collections: Nanomanufacturing Research Collection
Depositing User: Rebecca Reznik-Zellen
Date Deposited: 19 Feb 2009 19:36
Last Modified: 19 Feb 2009 19:37
URI: http://eprints.internano.org/id/eprint/51

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