Title :
Wavelength conversion by four-wave mixing in semiconductor optical amplifiers
Author :
Geraghty, David F. ; Lee, Robert B. ; Verdiell, Marc ; Ziari, Mehrdad ; Mathur, Atul ; Vahala, Kerry J.
Author_Institution :
Dept. of Appl. Phys., California Inst. of Technol., Pasadena, CA, USA
Abstract :
Time-resolved spectral analysis is performed on 10 Gb/s signals wavelength converted by four-wave mixing (FWM) in semiconductor optical amplifiers. A pattern-dependent chirp resulting from parasitic gain modulation by the signal is measured and characterized as a function of the converter´s pump-to-probe ratio. This chirp is found to be insignificant for pump-to-probe ratios exceeding 9 dB.
Keywords :
chirp modulation; electro-optical modulation; multiwave mixing; optical communication equipment; optical frequency conversion; optical pumping; spectral analysis; wavelength division multiplexing; 10 Gbit/s; four-wave mixing; optical frequency conversion; parasitic gain modulation; pattern-dependent chirp; pump-to-probe ratio; pump-to-probe ratios; semiconductor optical amplifiers; time-resolved spectral analysis; wavelength conversion; Chirp; Four-wave mixing; Nonlinear optics; Optical mixing; Optical modulation; Optical pumping; Optical wavelength conversion; Semiconductor optical amplifiers; Spectral analysis; Stimulated emission;
Journal_Title :
Photonics Technology Letters, IEEE
