Wavelength and lasing direction hysteresis and dynamics in a semiconductor ring laser with varying current or temperature is explained as stemming from dissimilar nonlinear gain spectra in both propagation directions. Simulation results closely match experiment.
© 2005 Optical Society of America
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3560) Lasers and laser optics : Lasers, ring
(190.0190) Nonlinear optics : Nonlinear optics
(190.5970) Nonlinear optics : Semiconductor nonlinear optics including MQW
C. J. Born, M. Hill, M. Sorel, and S. Yu, "Lasing Direction Hysteresis in a Semiconductor Ring Laser," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2005), paper JTuC86.