Title :
High sensitivity 1.3 μm optically preamplified receiver using Raman amplification
Author :
Hansen, P.B. ; Stent, A.J. ; Eskilden, L. ; Grubb, S.G. ; Strasser, T.A. ; Pedrazzani, J.R.
Author_Institution :
Lucent Technol., Bell Lab., Holmdel, NJ, USA
fDate :
11/7/1996 12:00:00 AM
Abstract :
A 10 Gbit/s receiver using a Raman preamplifier with a gain of 40 dB and a noise figure of 4.4 dB exhibits a sensitivity of -36.4 dBm (151 photon/bit). The preamplifier which is counter-directionally pumped exhibits a two-stage topology to minimise double Rayleigh scattering
Keywords :
Raman spectra; optical receivers; preamplifiers; 1.3 micron; 10 Gbit/s; 4.4 dB; 40 dB; Raman preamplifier; counter-directional pumping; double Rayleigh scattering; optically receiver; sensitivity; two-stage topology;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19961447