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Proceedings Paper

Silica-based Single-Mode Guided-Wave Devices
Author(s): Norio Takato; Masao Kawachi; Motohiro Nakahara; Tadashi Miyashita
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Paper Abstract

Silica-based single-mode waveguides, fabricated on silicon substrates by a combination of flame hydrolysis deposition and reactive ion etching, have low propagation loss and low fiber coupling loss. High controllability in the silica-based waveguide fabrication leads to directional couplers with an accurate coupling ratio can be fabricated. Based on these advantageous features, we have successfully constructed a variety of guided-wave devices such as multi/demultiplexers for 1.3 and 1.55 μm wavelength, 2 x 8 couplers, ring resonators, and Mach-Zehnder interferometers which operate as optical switches or multi/demultiplexers with various channel spacings from 0.008 nm to 0.25 μm.

Paper Details

Date Published: 5 January 1990
PDF: 10 pages
Proc. SPIE 1177, Integrated Optics and Optoelectronics, (5 January 1990); doi: 10.1117/12.963322
Show Author Affiliations
Norio Takato, NTT Opto-electronics Laboratories (Japan)
Masao Kawachi, NTT Opto-electronics Laboratories (Japan)
Motohiro Nakahara, NTT Opto-electronics Laboratories (Japan)
Tadashi Miyashita, Photonic Integration Research, Inc. (United States)


Published in SPIE Proceedings Vol. 1177:
Integrated Optics and Optoelectronics
Leon McCaughan; Mark A. Mentzer; Song-Tsuen Peng; Henry J. Wojtunik; Ka Kha Wong, Editor(s)

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