Title :
Uni- and bi-directional feedbacks regenerative EDFA operating below threshold
Author :
Shah, Nor Shahida Mohd ; Teyo, Tuan Chin ; Ahmad, Harith
Author_Institution :
Dept. of Phys., Malaya Univ., Kuala Lumpur, Malaysia
Abstract :
In this paper, the performance of unidirectional and bi-directional regenerative erbium-doped fiber amplifier (EDFA) operating below laser oscillation threshold is compared. The experimental results show that the unidirectional system bas a higher gain and a lower noise figure than that of the bidirectional system. Resonant-amplification characteristic of regenerative amplifier is observed at low input signal for both schemes.
Keywords :
erbium; feedback amplifiers; optical fibre amplifiers; EDFA; Er; bi-directional feedbacks; erbium doped fiber amplifier; higher gain amplifier; noise; regenerative amplifier; resonant amplification; uni-directional feedbacks; Bidirectional control; Erbium-doped fiber amplifier; Erbium-doped fiber lasers; Isolators; Laser feedback; Laser noise; Noise figure; Optical amplifiers; Power lasers; Resonance;
Conference_Titel :
Semiconductor Electronics, 2002. Proceedings. ICSE 2002. IEEE International Conference on
Print_ISBN :
0-7803-7578-5
DOI :
10.1109/SMELEC.2002.1217848
