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Proceedings Paper

Grating splitter for glass waveguide
Author(s): Guoliang Jin; Ronggui Shen; Zaisheng Ying
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Paper Abstract

Using the Na+-Ag+ ion exchange technique, the monomode waveguide for 0.633 micrometers wavelength can be obtained on the surface of K9 glass. In order to know about the refractive index and thickness of the guiding layer, two different wavelength lights were adopted to measure the mode effective index with the prism coupler, and the iteration method was performed to solve the normal eigenvalue dispersion equations. The coupling coefficients between different modes with the reaction of grating were discussed by an equivalent method. The simple results were obtained for the coupling coefficient of TE-TE, TM-TM and TE-TM conversion. The Bragg diffractive gratings were fabricated on the surface on the monomode glass waveguide by the electron beam writing system and ion reaction etching technique. It can be used as light beam splitter or deflector in a Mach-Zender interferometers, TE-TM mode divider, and components for optical interconnection. The experimental results are presented.

Paper Details

Date Published: 1 August 1991
PDF: 6 pages
Proc. SPIE 1513, Glasses for Optoelectronics II, (1 August 1991); doi: 10.1117/12.46008
Show Author Affiliations
Guoliang Jin, Shanghai Jiao Tong Univ. (China)
Ronggui Shen, Shanghai Jiao Tong Univ. (China)
Zaisheng Ying, Shanghai Jiao Tong Univ. (China)

Published in SPIE Proceedings Vol. 1513:
Glasses for Optoelectronics II
Giancarlo C. Righini, Editor(s)

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