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Proceedings Paper

Tunable bistability and asymmetric line shape in ring cavity-coupled Michelson interferometer
Author(s): Li Li; Xinlu Zhang; Lixue Chen
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Paper Abstract

A novel configuration of ring cavity-coupled Michelson interferometer is proposed to create sharp asymmetric multiple-resonance line shape, in which a ring cavity is side-coupled to one arm and a phase shifter is introduced into the other arm for static phase compensation. Such asymmetric line shape allows the tuning of the system between zero and complete transmission, with a phase offset much narrower than the full width of the cavity resonance itself. As tuning between resonance peak and notch of such asymmetric profile, optical transmission becomes much more sensitive to the round-trip phase shift of ring cavity than that in the case of symmetric Lorentzian line shape. By cooperating Kerr nonlinearity and cavity feedback, novel hysteresis loops and intrinsic bistability are achievable by adjusting incident power. The shapes of hysteresis curves associated with asymmetric resonance line shape are different from those arising from symmetric line shape. By adjusting the static phase compensation of phase shifter, tunable hysteresis loop and asymmetric multiple-resonance transmission can be easy performed. The simply constructed device is a good reference for sensitive optical switch, filter and sensor.

Paper Details

Date Published: 11 February 2008
PDF: 7 pages
Proc. SPIE 6839, Nonlinear Optics: Technologies and Applications, 68390S (11 February 2008); doi: 10.1117/12.753395
Show Author Affiliations
Li Li, Harbin Engineering Univ. (China)
Harbin Institute of Technology (China)
Xinlu Zhang, Harbin Engineering Univ. (China)
Lixue Chen, Harbin Institute of Technology (China)


Published in SPIE Proceedings Vol. 6839:
Nonlinear Optics: Technologies and Applications
Yiping Cui; Qihuang Gong; Yuen-Ron Shen, Editor(s)

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