19 August 2003 Enhancement of electro-optic modulators using traveling-wave resonators
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Resonant enhancement of electro-optic modulators has been shown to greatly reduce the required switching voltage (Vπ) of these devices for narrow-band applications. Standing-wave resonantly enhanced modulators have been widely explored in the literature, but suffer from finite transit time effects and constraints on the active region length. Both of these effects limit their frequency of operation. A novel traveling-wave resonantly enhanced modulator is presented here that eliminates both of these problems. An implementation of the enhanced modulator using loss compensation is shown to reduce Vπ by a factor of 17.8, and reduce link loss in an analog radio-on-fiber link by 25 dB.
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Michael A. J. Weldon, Michael A. J. Weldon, Robert J. Davies, Robert J. Davies, Sean Victor Hum, Sean Victor Hum, Michal Okoniewski, Michal Okoniewski, "Enhancement of electro-optic modulators using traveling-wave resonators", Proc. SPIE 5247, Optical Transmission Systems and Equipment for WDM Networking II, (19 August 2003); doi: 10.1117/12.507896; https://doi.org/10.1117/12.507896

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