Title :
Enhanced Modulation Bandwidth of a Fabry–PÉrot Semiconductor Laser Subject to Light Injection From Another Fabry–PÉrot Laser
Author :
Zhu, Ning Hua ; Li, Wei ; Wen, Ji Mim ; Han, Wei ; Chen, Wei ; Xie, Liang
Author_Institution :
State Key Lab. on Integrated Optoelectron., Chinese Acad. of Sci., Beijing
fDate :
6/1/2008 12:00:00 AM
Abstract :
Variations in optical spectrum and modulation bandwidth of a modulated Fabry-Perot (FP) semiconductor laser subject to the external light injection from another FP Laser is investigated in this paper. Optimal wavelength matching conditions for two FP lasers are discussed. A series of experiments show that two FP lasers should have a central wavelength overlapping and a mode spacing difference of several gigahertz. Under these conditions both the magnitude and phase frequency responses can be improved significantly.
Keywords :
Fabry-Perot resonators; frequency response; optical modulation; semiconductor lasers; Fabry-Perot laser; Fabry-Perot semiconductor laser; central wavelength overlapping; external light injection; modulation bandwidth; optical spectrum; optimal wavelength matching conditions; phase frequency responses; Bandwidth; Distributed feedback devices; Laser mode locking; Laser modes; Nonlinear optics; Optical feedback; Optical modulation; Semiconductor lasers; Surface emitting lasers; Vertical cavity surface emitting lasers; Direct modulation; Fabry–PÉrot (FP) laser; frequency response; optical injection; scattering parameter;
Journal_Title :
Quantum Electronics, IEEE Journal of
DOI :
10.1109/JQE.2008.917961
