1987•Electronics LettersRequires access

Gigabit optical transmitter GaAs MESFET IC

K. Utsumi, A. Tezuka, K. Nishii, Kanji Bando, K. Inoue, Takeshi Onuma

Abstract

A GaAs optical transmitter IC consisting of input buffers, a D-type flip-flop, an NRZ/RZ code convertor and a light source current driver has been developed for use in fibre-optic communication systems, employing D-MESFET SCFL by the Pt buried gate FET process. 1.1 Gbit/s modulation of an LD in RZ format with 20 mA peak drive current has been demonstrated.

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Key concepts: MESFET, Gigabit, Transmitter, Optoelectronics, Modulation (music), Optical communication, Gallium arsenide, Electrical engineering