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Low drive voltage and extremely low chirp integrated electroabsorption modulator/DFB laser for 2.5 Gbit/s 200 km normal fibre transmission

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9 Author(s)
Aoki, M. ; Central Res. Labs., Hitachi Ltd., Tokyo, Japan ; Kikuchi, N. ; Sekine, K. ; Sasaki, S.
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A highly efficient (2 V peak to peak for 22 dB extinction ratio) and extremely low-chirp (<64 pm) integrated electroabsorption modulator/DFB laser is demonstrated by reducing both electrical and optical crosstalk between the modulator and the laser. The device allowed 2.5 Gbit/s penalty-free transmission over repeaterless 200 km-long 1.3 mu m-optimised singlemode fibre.

Published in:

Electronics Letters  (Volume:29 ,  Issue: 22 )