Optical Mode Conversion Induced by Magnetostatic Surface Waves in Three-Dimensional Waveguides

Rakesh BHANDARI  Yasumitsu MIYAZAKI  

IEICE TRANSACTIONS (1976-1990)   Vol.E67   No.9   pp.502-508
Publication Date: 1984/09/25
Online ISSN: 
Print ISSN: 0000-0000
Type of Manuscript: PAPER
Category: Optical and Quantum Electronics

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Mode conversion induced by magnetostatic surface waves (MSSW) has a great potential for a variety of optical signal processing devices. However, till now, analysis of optical-MSSW interaction has been limited planar waveguides. We investigate into the mode conversion induced by MSSW in three-dimensional optical waveguides. In this paper, at first, the problem faced in propagating MSSW in three-dimensional waveguides is discussed and a device configuration is presented to overcome the problem. Next, an analysis of the MSSW induced optical mode conversion in the proposed configuration is given. The coupling coefficient between the Ezpq and the Expq modes of the waveguide is derived and its variation with the waveguide dimensions is discussed. Finally, the feasibility of the proposed configuration is demonstrated by a numerical example.