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Proceedings Paper

Single-Mode Waveguides And Components By Two-Step Cs[sup]+[/sup]-K[sup]+[/sup] Ion-Exchange In Glass
Author(s): A. Reichelt; P. C. Clemens; H. F. Mahlein
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Paper Abstract

Single-mode channel waveguides with a wave propagation loss below 0.1 dB/cm and good matching to the profile of the single-mode fiber can be manufactured by means of two-step field-assisted Cs+-K+ ion-exchange in BGG 21 glass. This technique has been used in the manufacture of symmetrical lxN (N = 2,4,8) couplers and asymmetrical Y-junctions as power dividers. Dual-channel wavelength-division multi/demultiplexers consisting of symmetrical directional couplers or zero-gap couplers have been built in glass and analyzed. In the 1.2/1.6 μm wavelength range, insertion losses below 2 dB, channel spacings of 50-180 nm, and crosstalk values of 20-35 dB have been attained.

Paper Details

Date Published: 21 December 1989
PDF: 5 pages
Proc. SPIE 1128, Glasses for Optoelectronics, (21 December 1989); doi: 10.1117/12.961454
Show Author Affiliations
A. Reichelt, Research Laboratories of Siemens AG (Germany)
P. C. Clemens, Research Laboratories of Siemens AG (Germany)
H. F. Mahlein, Research Laboratories of Siemens AG (Germany)

Published in SPIE Proceedings Vol. 1128:
Glasses for Optoelectronics
Giancarlo C. Righini, Editor(s)

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