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

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

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

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