Femtosecond laser writing of waveguide retarders in fused silica for polarization control in optical circuits

被引：54

作者：

Fernandes, Luis A. ^{[1
,2
,3
]}

Grenier, Jason R. ^{[1
,2
]}

Herman, Peter R. ^{[1
,2
]}

Aitchison, J. Stewart ^{[1
,2
]}

Marques, Paulo V. S. ^{[3
]}

机构：

[1] Univ Toronto, Inst Opt Sci, Toronto, ON M5S 3G4, Canada

[2] Univ Toronto, Dept Elect & Comp Engn, Toronto, ON M5S 3G4, Canada

[3] Univ Porto, Dept Fis & Astron, INESC Porto, P-4169007 Oporto, Portugal

来源：

OPTICS EXPRESS | 2011年 / 19卷 / 19期

基金：

加拿大自然科学与工程研究理事会;

关键词：

INDUCED NANOGRATINGS; FORM BIREFRINGENCE; QUANTUM CIRCUITS; REPETITION-RATE; FIBER LASER; GLASS; DEVICES; PULSES; NM;

D O I：

10.1364/OE.19.018294

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Femtosecond laser (300 fs, 500 kHz, 522 nm) fabrication of optical waveguides in bulk silica glass is extended to waveguide retarders. We study the merits of nanograting orientation (perpendicular or parallel to the waveguide) for generating high and low birefringence waveguides. This is used together with other exposure condition to control the waveguide birefringence between 10(-5) and 10(-4) permitting for the simultaneous fabrication of the waveguides and the tuning of the retardance demonstrating quarter and half-wave retarders in the 1200 nm to 1700 nm spectrum. The wavelength dependence of the birefringence is also characterized over a range of exposure conditions. (C) 2011 Optical Society of America

引用

页码：18294 / 18301

页数：8

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