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Integration of GaAS MESFET drivers with GaAs directional-coupler electro-optic modulators

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5 Author(s)
Abeles, J.H. ; Bell Communications Research, Red Bank, USA ; Chan, W.K. ; Shokoohi, F.K. ; Bhat, R.
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We demonstrate the first integration of active electronic devices with semiconductor waveguide modulators. By combining ion-implanted GaAs MESFET amplifiers with directional-coupler electro-optic modulators, the DC drive voltage has been reduced by a factor of ¿v = 9, making an effective electro-optic figure-of-merit ¿vn3r41 for GaAs superior to that of LiNbO3

Published in:

Electronics Letters  (Volume:23 ,  Issue: 20 )