Ultraviolet photonic crystal laser

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We fabricated two dimensional photonic crystal structures in zinc oxide films with focused ion beam etching. Lasing is realized in the near ultraviolet frequency at room temperature under optical pumping. From the measurement of lasing frequency and spatial profile of the lasing modes, as well as the photonic band structure calculation, we conclude that lasing occurs in the strongly localized defect modes near the edges of photonic band gap. These defect modes originate from the structure disorder unintentionally introduced during the fabrication process.
4 pages, 4 figures

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Optics

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http://salesiana.dossiersoluciones.com/handle/123456789/86179

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/physics/0406005
 http://arxiv.org/abs/physics/0406005
 Applied Physics Letters 85, 3657 (2004)
 doi:10.1063/1.1808888

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arXiv