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Proceedings Paper

Evaluation of loss characteristics of the polymeric Y-branch optical waveguide with reflecting surface
Author(s): Hiroaki Kurokawa; Hiroyuki Kawashima; Kunihiko Asama; Michiko Kuroda; Hiroyuki Kasai
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Paper Abstract

The Y-branch waveguide is one of the basic components of optical circuits in the network and computer devices. Considering the high-density integration of optical circuits, a wide angle Y-branch waveguide, which is a small waveguide, is highly desired. Authors had been prosed a new Y-branch waveguide with reflecting surface to achieve low- los and wide branch angel> Also we had shown the successful results of low-loss characteristics and the large tolerance to the fabrication error by numerical analyses. In this paper, we evaluate the loss characteristic and the stability of branching ratio of proposed Y-branch optical waveguide with reflecting surface from experimental results. The proposed model is fabricated by UV-curing method and PMMA resin because of its transparency and ease of fabrication. In these experiments, successful results, such as low-loss, wide-angle abilities and availability of variable branching ratio were obtained. In all experiment and numerical analyses, we assume that the multi-mode waveguide is used in optical circuits considering the optimum connections to the VCSEL.

Paper Details

Date Published: 15 May 2001
PDF: 9 pages
Proc. SPIE 4277, Integrated Optics Devices V, (15 May 2001); doi: 10.1117/12.426814
Show Author Affiliations
Hiroaki Kurokawa, Tokyo Univ. of Technology (Japan)
Hiroyuki Kawashima, Tokyo Univ. of Technology (Japan)
Kunihiko Asama, Tokyo Univ. of Technology (Japan)
Michiko Kuroda, Tokyo Univ. of Technology (Japan)
Hiroyuki Kasai, Tokyo Univ. of Technology (Japan)


Published in SPIE Proceedings Vol. 4277:
Integrated Optics Devices V
Giancarlo C. Righini; Seppo Honkanen, Editor(s)

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