Near-infrared imprinted distributed feedback lasers

被引：44

作者：

Del Carro, P. ^{[1
]}

Camposeo, A. ^{[1
]}

Stabile, R. ^{[1
]}

Mele, E. ^{[1
]}

Persano, L. ^{[1
]}

Cingolani, R. ^{[1
]}

Pisignano, D. ^{[1
]}

机构：

[1] Univ Lecce, INFM, CNR, NNL, I-73100 Lecce, Italy

来源：

APPLIED PHYSICS LETTERS | 2006年 / 89卷 / 20期

关键词：

D O I：

10.1063/1.2387974

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The authors report on the fabrication and characterization of an organic distributed feedback laser operating in the near infrared. The device, fabricated by room-temperature nanoimprint lithography, is based on an organic dye hosted by a poly(methylmethacrylate) matrix. The laser emission from an imprinted 620 nm period grating is peaked at 918 nm with a linewidth of 8 A and a pumping threshold of 37 mu J/cm(2), and it is strongly polarized with a polarization contrast as high as 0.99. The lasing wavelength is tunable in the range of 890-930 nm by adjusting the grating period, and the operational lifetime is up to 6x10(3) excitation pulses in vacuum environment. These results demonstrate the possibility of realizing imprinted organic-based near-infrared lasers, thus approaching spectral regions relevant for optical communication applications. (c) 2006 American Institute of Physics.

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页数：3

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