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Increased pump acceptance bandwidth in spontaneous parametric downconversion process using Bragg reflection waveguides
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DOI：10.1364/OE.16.003577.png)
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Abstract
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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.
Keywords:
2ND-HARMONIC GENERATION
PHOTON PAIRS
WAVELENGTH
Journal
IF:
3.3
Papers:
6.1W
Citations:
14.3W