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EFFECTIVE INDEX PROFILE ALONG THE DEPTH DIRECTION OF Ti∶LiNbO 3 STRIP WAVEGUIDE(PDF)

Transactions of Tianjin University[ISSN:1006-4982/CN:12-1248/T]

Issue:
1996年02期
Page:
75-77
Publishing date:

Info

Title:
EFFECTIVE INDEX PROFILE ALONG THE DEPTH DIRECTION OF Ti∶LiNbO 3 STRIP WAVEGUIDE
Author(s):
ZHAO Ci  HU Hongzhang ZHAN Yangqin YI Xiaoguang (Dept. of Applied Physics)
Keywords:
DOI:

Abstract:
Based on the quasi analytical technique, an analytical expression for the effective index profile in the depth direction in Ti:LiNbO 3 strip waveguide is theoretically derived. It is very useful for the research into the propagation characteristics of the strip waveguides with metal clad. From this expression, the field distributions and modal indices in typical waveguides are calculated. In addition, the method of how to get the position where the mode field has the maximum value is yielded in this paper. It is very important to the optical coupling between two waveguides or between the waveguide and the fiber.

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Last Update: 2011-04-29