Increased pump acceptance bandwidth in spontaneous parametric downconversion process using Bragg reflection waveguides

被引：8
|
作者：
Thyagarajan, Krishna [1 ]
Das, Ritwick [1 ]
Alibart, Olivier [2 ]
de Micheli, Marc [2 ]
Ostrowsky, Daniel B. [2 ]
Tanzilli, Sebastien [2 ]
机构：
[1] Indian Inst Technol, Dept Phys, New Delhi 110016, India
[2] Univ Nice Sophia Antipolis, CNRS, UMR 6622, Phys Mat Condensee Lab, F-06108 Nice, France
来源：
OPTICS EXPRESS | 2008年 / 16卷 / 06期
关键词：
D O I：
10.1364/OE.16.003577
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this paper we show that by suitably tailoring the dispersion characteristics of a Bragg reflection waveguide ( BRW) mode, it is possible to achieve efficient photon pair generation over a large pump bandwidth while maintaining narrow signal bandwidth. The structure proposed consists of a high index core BRW with a periodically poled GaN core and periodically stratified cladding made up of alternate layers of Al0.02Ga0.98N and Al0.45Ga0.55N. Such photon-pair generators should find applications in realizing compact and stable sources for quantum information processing. (c) 2008 Optical Society of America.
引用
收藏
页码：3577 / 3582
页数：6
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