Microstructural imaging of high repetition rate ultrafast laser written LiTaO3 waveguides

被引：9

作者：

McMillen, Ben ^{[1
]}

Chen, Kevin P. ^{[1
]}

Jaque, Daniel ^{[2
]}

机构：

[1] Univ Pittsburgh, Dept Elect & Comp Engn, Pittsburgh, PA 15261 USA

[2] Univ Autonoma Madrid, Fac Ciencias, Dept Fis Mat C 4, E-28049 Madrid, Spain

来源：

APPLIED PHYSICS LETTERS | 2009年 / 94卷 / 08期

基金：

美国国家科学基金会;

关键词：

high-speed optical techniques; laser beams; laser materials processing; lithium compounds; nonlinear optics; optical fabrication; optical focusing; optical images; optical waveguides; Raman spectra; spectral line shift; FEMTOSECOND LASER; LITHIUM TANTALATE; LINBO3; RAMAN; FABRICATION; NIOBATE; GLASS;

D O I：

10.1063/1.3088852

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The microstructural changes associated with the formation of lithium tantalate waveguides after high repetition rate ultrafast laser inscription has been investigated by confocal micro-Raman experiments. While the laser beam focal volume is characterized by significant lattice damage, no reduction of Raman mode strength has been observed at the guiding region, suggesting the preservation of the nonlinear optical coefficient in the waveguide. A general blueshift of the Raman modes has been observed at the guiding region, suggesting lattice compression as the dominant mechanism of waveguide formation.

引用

页数：3

共 20 条

[1] Investigation of neodymium-diffused yttrium vanadate waveguides by confocal microluminescence [J].

Benayas, A. ;

Jaque, D. ;

Hettrick, S. J. ;

Wilkinson, J. S. ;

Shepherd, D. P. .

JOURNAL OF APPLIED PHYSICS, 2008, 103 (10)

[2] Writing waveguides in glass with a femtosecond laser [J].

Davis, KM ;

Miura, K ;

Sugimoto, N ;

Hirao, K .

OPTICS LETTERS, 1996, 21 (21) :1729-1731

[3] Raman gain from waveguides inscribed in KGd(WO4)2 by high repetition rate femtosecond laser [J].

Eaton, S. M. ;

Merchant, C. A. ;

Iyer, R. ;

Zilkie, A. J. ;

Helmy, A. S. ;

Aitchison, J. S. ;

Herman, P. R. ;

Kraemer, D. ;

Miller, R. J. D. ;

Hnatovsky, C. ;

Taylor, R. S. .

APPLIED PHYSICS LETTERS, 2008, 92 (08)

[4] Heat accumulation effects in femtosecond laser-written waveguides with variable repetition rate [J].

Eaton, SM ;

Zhang, HB ;

Herman, PR .

OPTICS EXPRESS, 2005, 13 (12) :4708-4716

[5] Fabrication and characterization of femtosecond laser written waveguides in chalcogenide glass [J].

Hughes, M. ;

Yang, W. ;

Hewak, D. .

APPLIED PHYSICS LETTERS, 2007, 90 (13)

[6] EFFECT OF PRESSURE ON THE RAMAN MODES IN LINBO3 AND LITAO3 [J].

JAYARAMAN, A ;

BALLMAN, AA .

JOURNAL OF APPLIED PHYSICS, 1986, 60 (03) :1208-1210

[7]

Kittel C., 2005, INTRO SOLID STATE PH

[8] Electro-optic integration of embedded electrodes and waveguides in LiNbO3 using a femtosecond laser [J].

Liao, Yang ;

Xu, Jian ;

Cheng, Ya ;

Zhou, Zhenghui ;

He, Fei ;

Sun, Haiyi ;

Song, Juan ;

Wang, Xinshun ;

Xu, Zhizhan ;

Sugioka, Koji ;

Midorikawa, Katsumi .

OPTICS LETTERS, 2008, 33 (19) :2281-2283

[9] Waveguiding and nonlinear optical properties of three-dimensional waveguides in LiTaO3 written by high-repetition rate ultrafast laser [J].

McMillen, Ben ;

Chen, Kevin P. ;

An, Honglin ;

Fleming, Simon ;

Hartwell, Vincent ;

Snoke, David .

APPLIED PHYSICS LETTERS, 2008, 93 (11)

[10] Rapid thermal annealing in high repetition rate ultrafast laser waveguide writing in lithium niobate [J].

Nejadmalayeri, Amir H. ;

Herman, Peter R. .

OPTICS EXPRESS, 2007, 15 (17) :10842-10854

← 1 2 →