In:
Japanese Journal of Applied Physics, IOP Publishing, Vol. 36, No. 5R ( 1997-05-01), p. 2685-
Kurzfassung:
Resistance to the optical feedback of complex-coupled DFB lasers with current blocking grating was studied experimentally. The measured relative intensity noise of the lasers was as low as -160 dB/Hz even in the presence of an external feedback level of -15 dB. The modulation chirping of the device was quite small with a linewidth enhancement factor α of 1.9 measured using a fiber-response peaks method. A transmission experiment was performed over a 235 Km standard nondispersion-shifted fiber at 2.488 Gbps by direct modulation without using an optical isolator, and the power penalty was only 1.55 dB at a bit error rate of 10 -12 .
Materialart:
Online-Ressource
ISSN:
0021-4922
,
1347-4065
DOI:
10.1143/JJAP.36.2685
Sprache:
Unbekannt
Verlag:
IOP Publishing
Publikationsdatum:
1997
ZDB Id:
218223-3
ZDB Id:
797294-5
ZDB Id:
2006801-3
ZDB Id:
797295-7