Proposals for Fabrication of Long-Period Grating in LiNbO<SUB>3</SUB> Strip Waveguides

Chin. Phys. Lett.

2008, Vol. 25

Issue (8): 2904-2907 DOI:

Original Articles

Proposals for Fabrication of Long-Period Grating in LiNbO₃ Strip Waveguides

ZHANG De-Long^1,2, YANG Qing-Zhong¹, E. Y. B. Pun²

The structure of a strip LiNbO₃waveguide clad with a planar LiNbO₃ waveguide is proposed to fabricate a long-period waveguide grating (LPWG). It is shown theoretically that an LPWG device based on such a special LiNbO₃waveguide structure is of the merit of thermal stability. The methods for fabrication of planar waveguide, channel waveguide and grating are suggested and discussed. Detailed design consideration is exemplified based on a soft-proton-exchange planar waveguide clad Ti-diffused LiNbO₃ (Z-cut) strip waveguide.

Cite this article:

ZHANG De-Long, YANG Qing-Zhong, E. Y. B. Pun 2008 Chin. Phys. Lett. 25 2904-2907

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Keywords: 42.79.Dj 42.79.Gn

Received: 14 April 2008 Published: 25 July 2008

PACS:	42.79.Dj	(Gratings)
	42.79.Gn	(Optical waveguides and couplers)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2008/V25/I8/02904

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