2 June 1994 Effect of active-region size on the high-speed modulation of vertical-cavity surface-emitting lasers with lateral injection
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Abstract
We have measured the active region size dependence of the high speed modulation characteristics of vertical cavity surface emitting lasers with lateral current injection. The moveout rate df0d(root)P and K factor determined from a curve fit to the small signal modulation data were df0d(root)P approximately equals 4.5-6.5 GHz/(root)mW and K approximately equals 0.68-0.85 ns for both 10 and 20 micron diameter devices. The maximum resonance frequency was limited by device heating, and a parasitic type of rolloff in the modulation response was observed, which we fit to a diffusion capacitance model.
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Thaddeus G. Dziura, Y. J. Yang, Mr. Rowell Fernandez, S. C. Wang, "Effect of active-region size on the high-speed modulation of vertical-cavity surface-emitting lasers with lateral injection", Proc. SPIE 2147, Vertical-Cavity Surface-Emitting Laser Arrays, (2 June 1994); doi: 10.1117/12.177212; https://doi.org/10.1117/12.177212
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