Single-Mode Waveguides And Components By Two-Step Cs[sup]+[/sup]-K[sup]+[/sup] Ion-Exchange In Glass

A. Reichelt; P. C. Clemens; H. F. Mahlein

doi:10.1117/12.961454

21 December 1989 Single-Mode Waveguides And Components By Two-Step Cs⁺-K⁺ Ion-Exchange In Glass

A. Reichelt, P. C. Clemens, H. F. Mahlein

Proceedings Volume 1128, Glasses for Optoelectronics; (1989) https://doi.org/10.1117/12.961454
Event: 1989 International Congress on Optical Science and Engineering, 1989, Paris, France

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.

Citation Download Citation

A. Reichelt, P. C. Clemens, and H. F. Mahlein "Single-Mode Waveguides And Components By Two-Step Cs⁺-K⁺ Ion-Exchange In Glass", Proc. SPIE 1128, Glasses for Optoelectronics, (21 December 1989); https://doi.org/10.1117/12.961454

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