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Domain engineering algorithm for practical and effective photon sources
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DOI：10.1364/OE.24.019616.png)
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We introduce a method for shaping the spectral response of nonlinear light sources by tailoring the quasi-phase matching. Our algorithm relies on engineering the poling to accurately trace a generated target signal field amplitude to determine the desired nonlinearity profile. The proposed poling algorithm results in a poling pattern that is more robust to manufacture, as all domain inversions are of equal width. The poling pattern is verified using a nonlinear beam propagation method simulation. This approach is applied to achieve Gaussian-shaped phase matching along a potassium titanyl phosphate (KTP) crystal in order to generate pure heralded single photons of spectral purity similar to 0.996-this is highly desirable for heralded single photon quantum optics. (C) 2016 Optical Society of America
Keyword:
QUANTUM
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IF:
3.3
论文数:
6.1W
被引数:
14.3W
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Proceedings of the International Conference on Advances in Computing, Communications and Informatics
Proceedings of the International Conference on Advances in Computing, Communications and InformaticsIF0
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