Title :
25 Gbaud/s 4-PAM (50 Gbit/s) modulation and 10 km SMF transmission with 1.3 μm InGaAlAs-based DML
Author :
Kobayashi, Wataru ; Fujisawa, T. ; Kanazawa, S. ; Sanjoh, H.
Author_Institution :
NTT Photonics Labs., NTT Corp., Atsugi, Japan
Abstract :
The first 25 Gbaud/s four-level pulse amplitude modulation (PAM) of a 1.3 μm directly modulated laser (DML) is achieved and a 10 km transmission over a single-mode fibre (SMF) with clear eye openings is demonstrated.
Keywords :
optical modulation; pulse amplitude modulation; 4-PAM modulation; DML; InGaAlAs; SMF transmission; data traffic explosive growth; directly modulated laser; four-level pulse amplitude modulation; single-mode fibre;
Journal_Title :
Electronics Letters
DOI :
10.1049/el.2013.4267
