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Time-resolved spectrum characteristics of FSK-modulated dual-mode DFB/DBR lasers

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2 Author(s)
Nakajima, H. ; Lab. de Bagneux, CNET, Bagneux, France ; Charil, J.

A laser structure enabling simultaneous emission into distributed feedback (DFB) and distributed Bragg reflector (DBR) modes is characterized regarding frequency-shift keying (FSK)-modulated millimeter wave generation. Nonreturn-to-zero (NRZ)-modulation characteristics are measured by using time-resolved spectrum measurement techniques. A high FM efficiency of about 1.3 GHz/mA is reported at 622 Mb/s for 100-GHz-range millimeter waves.

Published in:

Photonics Technology Letters, IEEE  (Volume:9 ,  Issue: 6 )