Title :
Highly nondegenerate four-wave mixing among subpicosecond optical pulses in a semiconductor optical amplifier
Author :
Inoue, J. ; Kawaguchi, H.
Author_Institution :
Fac. of Eng., Yamagata Univ., Japan
fDate :
3/1/1998 12:00:00 AM
Abstract :
We have demonstrated, for the first time, the highly nondegenerate four-wave mixing (FWM) among subpicosecond optical pulses in a 1.3-μm multiple-quantum-well (MQW) semiconductor optical amplifier (SOA). We could directly measure the FWM signal in the output spectrum by current pulse pumping of the device. We achieved a high conversion efficiency of over 10% at a frequency conversion range of less than 1 THz. The limitation of conversion efficiency due to the gain saturation of the SOA was effectively overcome by using the short optical pulses.
Keywords :
high-speed optical techniques; infrared sources; laser transitions; multiwave mixing; optical frequency conversion; optical phase conjugation; quantum well lasers; 1 THz; 1.3 mum; 10 percent; FWM signal; MQW semiconductor optical amplifier; conversion efficiency; current pulse pumping; frequency conversion range; gain saturation; high conversion efficiency; highly nondegenerate four-wave mixing; output spectrum; semiconductor optical amplifier; short optical pulses; subpicosecond optical pulses; Four-wave mixing; Frequency conversion; Nonlinear optics; Optical mixing; Optical pulses; Optical pumping; Pulse measurements; Quantum well devices; Semiconductor optical amplifiers; Stimulated emission;
Journal_Title :
Photonics Technology Letters, IEEE
