New approaches to practical guided-wave passive devices based on ion-exchange technologies in glass

Masafumi Seki; Shiro Sato; Kenichi Nakama; Hiroshi Wada; Hideki Hashizume; Shigeru Kobayashi

doi:10.1117/12.50888

1 December 1991 New approaches to practical guided-wave passive devices based on ion-exchange technologies in glass

Masafumi Seki, Shiro Sato, Kenichi Nakama, Hiroshi Wada, Hideki Hashizume, Shigeru Kobayashi

Proceedings Volume 1583, Integrated Optical Circuits; (1991) https://doi.org/10.1117/12.50888
Event: OE Fiber, 1991, Boston, MA, United States

Abstract

For the use in cost-effective optical communication systems, two types of guided-wave devices have been studied using ion exchange in glass: (1) A microlens-loaded coupler module composed of a polarization-maintaining fiber array, a directional coupler and a twin-microlens array for coherent balanced receivers has been proposed and fabricated with an excess loss of 1.0 dB and an extinction ratio of _> 20 dB for 0-60 degC operation. (2) An optimum mask pattern for splitters has been devised theoretically and verified experimentally, which has reduced the scattering loss to < .0.1 dB and also suppressed their possible bimodal behavior in the branching region.

Citation Download Citation

Masafumi Seki, Shiro Sato, Kenichi Nakama, Hiroshi Wada, Hideki Hashizume, and Shigeru Kobayashi "New approaches to practical guided-wave passive devices based on ion-exchange technologies in glass", Proc. SPIE 1583, Integrated Optical Circuits, (1 December 1991); https://doi.org/10.1117/12.50888

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