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IEICE TRANSACTIONS on Electronics

40-Gbit/s Ti:LiNbO3 Optical Modulator with a Two-Stage Electrode

Kazuto NOGUCHI, Hiroshi MIYAZAWA, Osamu MITOMI

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Summary :

This paper describes the design, fabrication, and performance of a novel Ti:LiNbO3 optical modulator with a two-stage coplanar waveguide electrode for 40 Gbit/s optical transmission systems. The structure consists of a thin lower electrode and a thick upper electrode in conjunction with a ridge structure. The lower electrode ensures low voltage and the upper layer provides good microwave characteristics. Based on simulation results, a fully-packaged module was fabricated. The measured 3-dB electrical bandwidth is 30 GHz with a half-wave voltage of 2. 9 V.

Publication
IEICE TRANSACTIONS on Electronics Vol.E81-C No.8 pp.1316-1320
Publication Date
1998/08/25
Publicized
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DOI
Type of Manuscript
Special Section PAPER (Special Issue on High-Capacity WDM/TDM Networks)
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