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Proceedings Paper

Observation of the thermal nonlinear optical effect in a microring resonator based on a small SU-8 polymer ridge optical waveguide
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Paper Abstract

The thermal nonlinear optical effect is observed in a microring resonator (MRR) based on a small SU-8 polymer ridge optical waveguide. It is found that the resonant wavelength blue shifts almost linearly with a slope of about -0.8 pm/mW as the input power increases (which causes the increase in temperature and consequently the decrease of the refractive index). Both the strong light-confinement of the air-clad waveguide and the strong light-enhancement of the MRR cavity contribute to the significant nonlinearity. The absorption mechanism is analyzed in detail, and the absorbance of about 0.179 cm-1 (around 1560 nm) is obtained.

Paper Details

Date Published: 2 December 2009
PDF: 9 pages
Proc. SPIE 7631, Optoelectronic Materials and Devices IV, 76310B (2 December 2009); doi: 10.1117/12.851789
Show Author Affiliations
Liu Yang, Zhejiang Univ. (China)
Daoxin Dai, Zhejiang Univ. (China)
Jianjun He, Zhejiang Univ. (China)
Sailing He, Zhejiang Univ. (China)


Published in SPIE Proceedings Vol. 7631:
Optoelectronic Materials and Devices IV
Jian-Jun He; Guang-Hua Duan; Fumio Koyama; Ming C. Wu, Editor(s)

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