Characterization of line-defect-waveguide lasers in two-dimensional photonic-crystal slabs

被引：35

作者：

Sugitatsu, A

Asano, T

Noda, S

机构：

[1] Kyoto Univ, Dept Elect Sci & Engn, Nishikyo Ku, Kyoto 6158510, Japan

[2] Mitsubishi Electr Corp, Informat Technol R&D Ctr, Itami, Hyogo 6648641, Japan

来源：

APPLIED PHYSICS LETTERS | 2004年 / 84卷 / 26期

关键词：

D O I：

10.1063/1.1767285

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Here we investigate a line-defect-waveguide laser in a two-dimensional photonic-crystal slab. The change deltalambda in lasing wavelength for a change deltaW in waveguide width is found to be extremely large: deltalambda/deltaW=2. It is two orders of magnitude greater than that for a conventional distributed-feedback laser. An investigation of the electromagnetic-field distribution at the waveguide-mode edge is made, giving an indication of the cavity-mode structure for lasing oscillation. Fourier transform analysis reveals that the extremely large tunability originates from the "zigzag" mode behavior of the line-defect waveguide in the photonic crystal, due to two-dimensional distributed feedback and reflection. (C) 2004 American Institute of Physics.

引用

页码：5395 / 5397

页数：3

共 10 条

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