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Second-harmonic distortion in vertical-cavity surface-emitting lasers with lateral loss effects

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2 Author(s)
P. C. Chui ; Dept. of Electr. & Electron. Eng., Hong Kong Univ., Hong Kong ; S. -F. Yu

The influence of lateral loss effects on the second-harmonic distortion (SHD) of vertical-cavity surface-emitting lasers is investigated theoretically. Two parameters, differential confinement factor and differential cavity loss, are defined for the consideration of self-focusing and diffraction loss. It is found that SHD increases at low modulation frequencies due to the presence of differential cavity loss, especially for lasers with small core radius

Published in:

IEEE Journal of Selected Topics in Quantum Electronics  (Volume:5 ,  Issue: 3 )