Measurement of velocity mismatch in traveling-wave electrooptic modulators |
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| Authors: | Leeb W. Scholtz A. Bonek E. |
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| Affiliation: | Technische Universität Wien, Austria; |
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| Abstract: | For traveling-wave electrooptic modulators, we describe an experimental method to determine the sign and magnitude of velocity mismatch between electrical and optical wave. To this end the waves are counterpropagated and frequencies yielding modulation nulls are determined. Such a measurement does also reveal dispersion of the modulator structure. |
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