Title :
Picosecond laser diode pulse amplification up to 12 W by laser diode pumped erbium-doped fiber
Author :
Takada, Atsushi ; Iwatsuki, Katsumi ; Saruwatari, Masatoshi
Author_Institution :
NTT Lab. Kanagawa, Japan
Abstract :
Intense picosecond optical pulse generation from a gain-switched laser diode (LD) was demonstrated using a 1.48- mu m LD-pumped Er/sup 3+/-doped fiber laser amplifier. Saturation characteristics of the amplifier output power were also measured as a function of input repetition frequency. An amplified peak power of 12 W and 105-pJ pulse energy were obtained for 9-ps pulses at a 33-GHz repetition frequency. This is the highest peak power yet demonstrated in pulse generation employing all-laser diodes as active devices.<>
Keywords :
erbium; fibre optics; high-speed optical techniques; optical pumping; solid lasers; 1.48 micron; 105 pJ; 12 W; 33 GHz; active devices; amplified peak power; amplifier output power; gain-switched laser diode; input repetition frequency; laser diode pumped Er/sup 3+/ doped fiber laser amplifier; picosecond optical pulse generation; pulse energy; saturation characteristics; Diode lasers; Erbium; Fiber lasers; Frequency; Optical fiber amplifiers; Optical pulse generation; Optical pulses; Power amplifiers; Pulse amplifiers; Semiconductor optical amplifiers;
Journal_Title :
Photonics Technology Letters, IEEE