H. Zhao, L. Lei, M. Ba, W. Jemison, J.C.M. Hwang, G. Dang, J.J. Liu, W. Chang
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引用次数: 0
Abstract
This paper describes a driver circuit for two-dimensional VCSEL arrays. The driver circuit uses a novel low-impedance shunt coplanar waveguide to minimize interchannel crosstalk. To demonstrate our approach, a 10 Gb/s GaAs HBT driver circuit has been designed and fabricated. Both measured and simulated results show a 20 dB crosstalk improvement compared to similar designs using conventional microstrip and coplanar waveguides. To the best of our knowledge, the crosstalk is the lowest reported for a two-dimensional VCSEL array driver in the open literature.
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