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Proceedings Paper

Mode conversion in Y-branch waveguides
Author(s): Andy P. Chan; Po Sheun Chung; Edwin Y. B. Pun
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Paper Abstract

Using Beam Propagation Method (BPM), we show quantitatively how the asymmetry of Y- branches will affect the transmission ratio of the structure in the power dividing or mode splitting operating area. In the mode splitting area, radiation loss will increase due to conversion of fundamental mode to higher order modes. The mode splitting behavior can be retained even with large branching angle if the phase-front accelerator (PFA) design structure is employed.

Paper Details

Date Published: 1 December 1991
PDF: 6 pages
Proc. SPIE 1583, Integrated Optical Circuits, (1 December 1991); doi: 10.1117/12.50882
Show Author Affiliations
Andy P. Chan, City Polytechnic of Hong Kong (Hong Kong)
Po Sheun Chung, City Polytechnic of Hong Kong (Hong Kong)
Edwin Y. B. Pun, Chinese Univ. of Hong Kong (Hong Kong)

Published in SPIE Proceedings Vol. 1583:
Integrated Optical Circuits
Ka Kha Wong, Editor(s)

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