Title :
152 photons per bit detection at 622 Mbit/s to 2.5 Gbit/s using an erbium fibre preamplifier
Author :
Smyth, P.P. ; Wyatt, R. ; Fidler, A. ; Eardley, P. ; Sayles, A. ; Craig-Ryan, S.
Author_Institution :
British Telecom Res. Labs., Ipswich, UK
Abstract :
An erbium fibre preamplifier, pumped at 980 nm, has been used to achieve the best reported direct detection sensitivities at 2.5 Gbit/s, 1.2 Gbit/s, 622 Mbit/s of -43.0 dBm, -45.6 dBm and -49 dBm, respectively. The amplifier had a noise figure of 3.3 dB, which is one of the best reported.
Keywords :
erbium; fibre optics; optical communication equipment; receivers; solid lasers; 3.3 dB; 622 Mbit/s to 2.5 Gbit/s; 980 nm; direct detection sensitivities; fibre preamplifier; noise figure; optical communication; optical fibre amplifier; optical receivers; photon detection;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19901028
