Ultraviolet photonic crystal laser

Details Ultraviolet photonic crystal laser Ultraviolet photonic crystal laser

2004-06-01

arxiv.org/abs/physics/0406005v1

Applied Physics Letters 85, 3657 (2004)

Physics

Optics

4 pages, 4 figures

Scientific paper

10.1063/1.1808888

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.

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