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Analysis and characterization of traveling-wave electrode in electroabsorption modulator for radio-on-fiber application
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- Issue Date
- 2003-12
- Citation
- IEEE/OSA Journal of Lightwave Technology, v.21, no.12, pp.3004-3010
- ISSN
- 0733-8724
- Publisher
- Optical Society of America (OSA)
- Language
- English
- Type
- Journal Article
- Abstract
- Comparing with a lumped electroabsorption modulator (EAM), we show the merits of a long EAM with traveling-wave electrode with high radio-frequency (RF) gain that could be used in high-frequency analog application. By terminating the RF output port with the characteristic impedance of 30 廓, the device exhibited a large enhancement of 6 dB above 10 GHz in the electrical-to-optical response and a wide fractional bandwidth as estimated from simulation. In addition, an input impedance matching circuit of stub embedded on the device chip was found to be very effective for improving RF characteristics in the narrow band of frequency. © 2003 IEEE.
- KSP Keywords
- 10 Ghz, Fractional Bandwidth(FBW), High Frequency(HF), Input Impedance, Narrow band, RF characteristics, Radio Frequency(RF), Radio-on-Fiber, Traveling-wave electrode, analog application, characteristic impedance