GaInAsP/InP zero-gap directional couplers as compact optical WDM filters

Autor: C. Cremer, R. Marz, G. Schulte-Roth, Lothar Dipl.-Phys. Stoll, Meinrad Schienle, R. Muller-Nawrath, H.F. Mahlein
Rok vydání: 1989
Předmět:
Zdroj: Electronics Letters. 25:1180
ISSN: 0013-5194
DOI: 10.1049/el:19890791
Popis: The fabrication and characterisation of extremely compact WDM zero-gap directional couplers with buried GaInAsP/InP waveguides is reported. A device with a centre length of 178 µm separated two channels at λ1 = 1.3 µm and λ2 = 1.52 µm with a crosstalk attenuation of 30 dB.
Databáze: OpenAIRE
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