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Design and experimental evaluation of active-passive integrated microring lasers

Threshold current and spectral properties
 
: Kapsalis, A.; Stamataki, I.; Mesaritakis, C.; Syvridis, D.; Hamacher, M.; Heidrich, H.

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IEEE Journal of Quantum Electronics 47 (2011), Nr.12, S.1557-1564
ISSN: 0018-9197
Englisch
Zeitschriftenaufsatz
Fraunhofer HHI ()

Abstract
The relation between the structural parameters and the operating characteristics of microring lasers is examined through theoretical estimations, waveguiding simulations, and experimental measurements. The effects of ring radius, waveguide profile, and overall geometry on the coupling efficiency and subsequently on threshold and spectral characteristics are thoroughly investigated. Coupling efficiency is calculated through 3-D finite difference in time domain methods. Fabricated devices consist of active microrings integrated with passive bus waveguides using wafer bonding techniques.

: http://publica.fraunhofer.de/dokumente/N-198487.html