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Analog Characteristics of Electroabsorption Modulator for RF/optic Conversion; RF Gain and IMD3
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- Issue Date
- 2006-06
- Citation
- Microwave and Optical Technology Letters, v.48, no.6, pp.1151-1155
- ISSN
- 0895-2477
- Publisher
- John Wiley & Sons
- Language
- English
- Type
- Journal Article
- Abstract
- We design and fabricate a traveling-wave electroabsorption modulator for RF/optic conversion. The RF gain is measured with a simple RF/optic link. It is related to the optical transfer curve. The input optical power causes the change of the transfer curve so that the RF gain varies accordingly. The RF/optic conversion gain shows a close relationship with the slope efficiency of transfer curve. Linearity is also one of the important characteristics for analog applications. We evaluate the linearity of the module from the 3 rd-order intermodulation distortion (IMD3). © 2006 Wiley Periodicals, Inc.
- KSP Keywords
- Conversion gain, Electroabsorption modulator(EAM), Intermodulation Distortion, RF gain, Slope efficiency, Traveling-wave electroabsorption modulator(TWEAM), analog applications, analog characteristics, optical power