Influence of the excitation area on the thresholds of organic second-order distributed feedback lasers | Zendy

Eva M. Calzado | Zendy; José M. Villalvilla | Zendy; Pedro G. Boj | Zendy; José A. Quintana | Zendy; Víctor NavarroFuster | Zendy; A. Retolaza | Zendy; Santos Merino | Zendy; María A. DíazGarcía | Zendy

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Influence of the excitation area on the thresholds of organic second-order distributed feedback lasers

Author(s) -

Eva M. Calzado,

José M. Villalvilla,

Pedro G. Boj,

José A. Quintana,

Víctor NavarroFuster,

A. Retolaza,

Santos Merino,

María A. DíazGarcía

Publication year - 2012

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.4768242

Subject(s) - lasing threshold , excitation , laser , power density , power (physics) , order (exchange) , energy (signal processing) , optoelectronics , semiconductor laser theory , materials science , atomic physics , optics , physics , quantum mechanics , finance , economics

It is shown that the optical pump power (or energy) density thresholds required to obtain lasing from organic second-order distributed feedback lasers, increase when the excitation area (A) is smaller than a certain value (Acrit). So, in order to obtain the minimum possible thresholds and to ensure that they constitute adequate quantities for comparison purposes, the condition A>Acrit should be fulfilled. Results also indicate that when A

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