Title :
High concentration Er-doped fiber for efficient L-band amplification with short length
Author :
Endo, S. ; Ishikawa, S. ; Kakui, M. ; Nishimura, M. ; Makio, Y.
Author_Institution :
Sumitomo Electr. Ind. Ltd., Yokohama, Japan
Abstract :
High concentration (/spl sim/3500 ppm) Er-doped fiber has been developed to shorten the fiber length necessary for L-band amplification. It exhibits gain per unit length as high as 1.58 dB/m and no significant degradation of conversion efficiency.
Keywords :
erbium; optical communication equipment; optical fibre amplifiers; optical fibre communication; optical fibre fabrication; conversion efficiency; efficient L-band amplification; fiber length; gain per unit length; high concentration Er-doped fiber; Degradation; Diode lasers; Energy conversion; Erbium; Gain; L-band; Laser excitation; Optical fiber testing; Wavelength division multiplexing;
Conference_Titel :
Communications, 1999. APCC/OECC '99. Fifth Asia-Pacific Conference on ... and Fourth Optoelectronics and Communications Conference
Conference_Location :
Beijing, China
Print_ISBN :
7-5635-0402-8
DOI :
10.1109/APCC.1999.820518