Title :
Receiver sensitivity improvement for ON-OFF keying signal by using optical parametric amplifier and balanced detection
Author :
Kuo, Bill P P ; Shimizu, Katsuhiro ; Chui, P.C. ; Wong, Kenneth K Y
Author_Institution :
Dept. of Electr. & Electron. Eng., Hong Kong Univ., Hong Kong
Abstract :
We demonstrate a novel technique to improve receiver sensitivity for ON-OFF keying format by adopting balanced detection with optical parametric amplifier (OPA) as pre-amplifier. Receiver sensitivity was improved by 1.9 dB compared to single-ended detection scheme.
Keywords :
optical fibre communication; optical parametric amplifiers; optical pumping; optical receivers; balanced detection scheme; on-off keying format; optical parametric amplifier; pump depletion effect; receiver sensitivity; single-ended detection scheme; Erbium-doped fiber amplifier; Nonlinear optics; Optical amplifiers; Optical noise; Optical pumping; Optical receivers; Optical sensors; Repeaters; Semiconductor optical amplifiers; Stimulated emission;
Conference_Titel :
IEEE/LEOS Winter Topical Meeting Series, 2008
Conference_Location :
Sorrento
Print_ISBN :
978-1-4244-1594-6
Electronic_ISBN :
978-1-4244-1595-3
DOI :
10.1109/LEOSWT.2008.4444398
