A Second-Order Feedforward Optical Power Control Scheme for Automotive VCSEL Drivers

This letter presents a feedforward optical power control scheme for automotive 150-Mb/s vertical-cavity surface-emitting laser (VCSEL) transmitters. The bias current exhibits a second-order dependence upon temperature, while the modulation current is provided with a piecewise linear compensation of...

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Veröffentlicht in:	IEEE photonics technology letters 2010-11, Vol.22 (22), p.1683-1685
Hauptverfasser:	Xin Yin, Bauwelinck, J, Xing-Zhi Qiu, Vandewege, J
Format:	Artikel
Sprache:	eng
Schlagworte:	Automotive components Control theory Driver circuits feed-forward systems Feedforward Modulation Noise levels Optical distortion Optical fibers Optical pulses Optical receivers Optical transmitters Power control Stimulated emission surface-emitting lasers Temperature measurement Vertical cavity surface emission lasers Vertical cavity surface emitting lasers vertical-cavity surface-emitting laser (VCSEL)
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