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Up to 40-Gb/s directly modulated laser operating at low driving current: Buried-heterostructure passive feedback laser (BH-PFL)

 
: Kreissl, J.; Vercesi, V.; Troppenz, U.; Gaertner, T.; Wenisch, W.; Schell, M.

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IEEE Photonics Technology Letters 24 (2012), Nr.5, S.362-364
ISSN: 1041-1135
Englisch
Zeitschriftenaufsatz
Fraunhofer HHI ()

Abstract
A directly modulated 1.55-m buriedheterostructure passive feedback laser exhibits a high modulation bandwidth of up to 34 GHz at moderate distributed-feedback (DFB) section currents between 20 and 60 mA. A very flat frequency response and a low alpha parameter have been demonstrated in the small signal modulation analysis. The device has open eyes at data rates of 25 and 40 Gb/s with reduced frequency chirp.

: http://publica.fraunhofer.de/dokumente/N-206890.html