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Proceedings Paper

Quasi-phase matched optical frequency comb generation through cascaded second order nonlinearity in a micro-ring resonator
Author(s): Zi-jian Wu; Yang Ming; Fei Xu; Yan-qing Lu
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Paper Abstract

We propose optical frequency comb generation in a monolithic micro-ring resonator. Being different from the previously reported nonlinear optical frequency combs, our scheme is based on more efficient quadratic frequency conversion rather than the third-order nonlinearity. To overcome the phase mismatch, a partly poled nonlinear ring is employed. Cascading second harmonic generation and parametric down conversion processes thus are realized through quasi-phase matching (QPM). Coupling equations are used to describe the related nonlinear interactions among different whispering-gallery modes, showing some interesting characteristics that are different from conventional QPM technology.

Paper Details

Date Published: 29 November 2012
PDF: 8 pages
Proc. SPIE 8554, Quantum and Nonlinear Optics II, 85540P (29 November 2012); doi: 10.1117/12.999400
Show Author Affiliations
Zi-jian Wu, Nanjing Univ. (China)
Yang Ming, Nanjing Univ. (China)
Fei Xu, Nanjing Univ. (China)
Yan-qing Lu, Nanjing Univ. (China)

Published in SPIE Proceedings Vol. 8554:
Quantum and Nonlinear Optics II
Qihuang Gong; Guang-Can Guo; Yuen-Ron Shen, Editor(s)

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