Photoluminescence from voids created by femtosecond-laser pulses inside cubic-BN

被引：24

作者：

Buividas, R. ^{[1
]}

Aharonovich, I. ^{[2
]}

Seniutinas, G. ^{[1
]}

Wang, X. W. ^{[1
]}

Rapp, L. ^{[3
]}

Rode, A. V. ^{[3
]}

Taniguchi, T. ^{[4
]}

Juodkazis, S. ^{[1
]}

机构：

[1] Swinburne Univ Technol, Ctr Microphoton, Hawthorn, Vic 3122, Australia

[2] Univ Technol Sydney, Sch Math & Phys Sci, Ultimo, NSW 2007, Australia

[3] Australian Natl Univ, Laser Phys Ctr, Res Sch Phys & Engn, Canberra, ACT 0200, Australia

[4] Natl Inst Mat Sci, Tsukuba, Ibaraki 3050044, Japan

来源：

OPTICS LETTERS | 2015年 / 40卷 / 24期

基金：

澳大利亚研究理事会;

关键词：

D O I：

10.1364/OL.40.005711

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Photoluminescence (PL) from femtosecond-laser-modified regions inside cubic-boron nitride (c-BN) was measured under UV and visible light excitation. Bright PL at the red spectral range was observed, with a typical excited state lifetime of similar to 4 ns. Sharp emission lines are consistent with PL of intrinsic vibronic defects linked to the nitrogen vacancy formation (via Frenkel pair) observed earlier in high-energy electron-irradiated and ion-implanted c-BN. These, formerly known as the radiation centers, RC1, RC2, and RC3, have been identified at the locus of the voids formed by a single femtosecond-laser pulse. The method is promising to engineer color centers in c-BN for photonic applications. (C) 2015 Optical Society of America

引用

页码：5711 / 5713

页数：3

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