24 May 2000 Proposal of low-loss Y-branch module with wide branch angle
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Proceedings Volume 4089, Optics in Computing 2000; (2000) https://doi.org/10.1117/12.386776
Event: 2000 International Topical Meeting on Optics in Computing (OC2000), 2000, Quebec City, Canada
Abstract
Recently, optical waveguides implementation on the substrate has been developed due to the requirement for large capacity and high-speed transmission. Considering that an optical circuit on the substrate must be assembled in a limited space, the integration of the circuit is one of the most important issues for the design of the optical circuits. In optical circuits, a Y-branch waveguide is a basic element of circuits and the length of the Y-branch waveguide depends on its branch angle. To achieve the high density integration of optical circuits, a wide angle Y-branch module, which is a small module, is highly desired. In this paper, we propose a new Y-branch waveguide using reflection at the inclined side-wall of the waveguide. The results of the numerical analysis show the efficiency of the proposed Y-branch waveguide, namely low-los and wide branching, in optical waveguide. Moreover, this paper also discuss that the proposed model is tolerable to the fabrication error comparing to the conventional Y-branch waveguide.
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Hiroaki Kurokawa, Hiroaki Kurokawa, Hiroyuki Kawashima, Hiroyuki Kawashima, Kunihiko Asama, Kunihiko Asama, Hiroyuki Kasai, Hiroyuki Kasai, } "Proposal of low-loss Y-branch module with wide branch angle", Proc. SPIE 4089, Optics in Computing 2000, (24 May 2000); doi: 10.1117/12.386776; https://doi.org/10.1117/12.386776
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