Two-photon absorption study of GaN

被引：100

作者：

Sun, CK ^{[1
]}

Liang, JC

Wang, JC

Kao, FJ

Keller, S

Mack, MP

Mishra, U

DenBaars, SP

机构：

[1] Natl Taiwan Univ, Dept Elect Engn, Taipei 10617, Taiwan

[2] Natl Taiwan Univ, Grad Inst Electroopt Engn, Taipei 10617, Taiwan

[3] Natl Sun Yat Sen Univ, Dept Phys, Kaohsiung 80424, Taiwan

[4] Univ Calif Santa Barbara, Dept Elect & Comp Engn, Santa Barbara, CA 93106 USA

[5] Univ Calif Santa Barbara, Dept Mat, Santa Barbara, CA 93106 USA

来源：

APPLIED PHYSICS LETTERS | 2000年 / 76卷 / 04期

关键词：

D O I：

10.1063/1.125780

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Two-photon absorption coefficients of GaN for below band gap ultraviolet wavelength and midgap infrared wavelength were measured by using femtosecond pulsewidth autocorrelation and Z-scan techniques. Large two-photon absorption coefficients were obtained. Taking advantage of the large two-photon absorption, we have demonstrated two-photon confocal imaging of a GaN thin film. Direct correlation was found between the yellow luminescence and suppression of bandedge luminescence. (C) 2000 American Institute of Physics. [S0003-6951(00)04404-1].

引用

页码：439 / 441

页数：3

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