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

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Title: Influence of the excitation area on the thresholds of organic second-order distributed feedback lasers
Authors: Calzado Estepa, Eva María | Villalvilla Soria, José Moisés | Boj Giménez, Pedro | Quintana Arévalo, José Antonio | Navarro-Fuster, Víctor | Retolaza, Aritz | Merino, Santos | Díaz-García, María A.
Research Group/s: Física de la Materia Condensada
Center, Department or Service: Universidad de Alicante. Departamento de Física, Ingeniería de Sistemas y Teoría de la Señal | Universidad de Alicante. Departamento de Física Aplicada | Universidad de Alicante. Departamento de Óptica, Farmacología y Anatomía | Universidad de Alicante. Instituto Universitario de Materiales
Keywords: Organic second-order distributed feedback lasers | Thresholds | Excitation area
Knowledge Area: Física Aplicada | Óptica | Física de la Materia Condensada
Issue Date: 27-Nov-2012
Publisher: American Institute of Physics
Citation: CALZADO, Eva M., et al. "Influence of the excitation area on the thresholds of organic second-order distributed feedback lasers". Applied Physics Letters. Vol. 101, Issue 22 (2012). ISSN 0003-6951, pp. 223303-1/5
Abstract: 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<Acrit (Acrit ∼ 0.1 mm2 for the devices studied here), the operational device lifetime, which depends mainly on the pump power (or energy) density, becomes drastically reduced.
Sponsor: Spanish Government (MECC) and the European Community (FEDER) through Grant Nos. MAT2008-06648-C02 and MAT2011-28167-C02 and the University of Alicante through Grant No. GRE10-07.
URI: http://hdl.handle.net/10045/33506
ISSN: 0003-6951 (Print) | 1077-3118 (Online)
DOI: 10.1063/1.4768242
Language: eng
Type: info:eu-repo/semantics/article
Peer Review: si
Publisher version: http://dx.doi.org/10.1063/1.4768242
Appears in Collections:INV - Física de la Materia Condensada - Artículos de Revistas

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