Theory of plasmonic femtosecond pulse generation by mode-locking of long-range surface plasmon polariton lasers
Author(s) -
KwangHyon Kim,
A. Husakou,
Joachım Herrmann
Publication year - 2011
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.20.000462
Subject(s) - materials science , saturable absorption , femtosecond , laser , optics , surface plasmon polariton , surface plasmon , resonator , optoelectronics , plasmon , mode locking , pulse duration , pulse (music) , fiber laser , physics , detector
We develop a semiclassical theory of passively mode-locked surface plasmon polariton (SPP) lasers based on a SPP Bragg resonator with a metal film deposited on a polymer host and adjacent layers of a slow saturable absorber and a slow saturable gain medium. The mode-locked laser dynamics is studied for the case that both the gain medium and the saturable absorber are solid-state dyes. The SPP laser pulse parameters are calculated in dependence on layer thicknesses of the metal film and pump parameters. We predict the possibility of SPP pulse generation with ∼ 100 fs pulse duration.
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