Title :
A novel design for broadband fiber amplifier
Author :
Mahdi, M.A. ; Adikan, F. R Mahamd ; Poopalan, P. ; Selvakennedy, S. ; Admad, H.
Author_Institution :
Telekom Malaysia Photonics Res. Centre, Univ. of Malaya, Kuala Lumpur, Malaysia
Abstract :
A new method for a broadband amplification based on an Er doped fiber amplifier was developed using only a single laser diode pumped at 1480 nm. A dual-stage amplifier was employed where the first stage provides simultaneous bi-directional amplification of conventional- and long-band signals. The utilization of unused amplified spontaneous emission and remnant pump power from the first stage enables realization of high gain for the long-band signals in the second stage. Amplification of wavelength division multiplexing systems (2 and 4 channels) was successfully demonstrated with an average gain of 22 dB and a noise figure less than 7 dB
Keywords :
erbium; optical communication equipment; optical fibre amplifiers; optical pumping; semiconductor lasers; superradiance; wavelength division multiplexing; 1480 nm; 22 dB; Er doped fiber amplifier; amplified spontaneous emission; bi-directional amplification; broadband amplification; broadband fiber amplifier; design; dual-stage amplifier; gain; laser diode; long-band signal; noise figure; remnant pump power; wavelength division multiplexing; Bidirectional control; Broadband amplifiers; Diode lasers; Doped fiber amplifiers; Erbium; Gain; Laser excitation; Noise figure; Spontaneous emission; Wavelength division multiplexing;
Conference_Titel :
TENCON 2000. Proceedings
Conference_Location :
Kuala Lumpur
Print_ISBN :
0-7803-6355-8
DOI :
10.1109/TENCON.2000.892299
