Measurement of velocity mismatch in traveling-wave electrooptic modulators

Measurement of velocity mismatch in traveling-wave electrooptic modulators

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 a...

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Veröffentlicht in:IEEE journal of quantum electronics 1982-01, Vol.18 (1), p.14-16
Hauptverfasser: Leeb, W., Scholtz, A., Bonek, E.
Format: Artikel
Sprache:eng
Schlagworte:
Bandwidth
Cutoff frequency
Electrooptic modulators
Frequency modulation
Frequency response
Optical materials
Optical modulation
Phase modulation
Radio frequency
Velocity measurement
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Zusammenfassung: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.
ISSN:0018-9197
1558-1713
DOI:10.1109/JQE.1982.1071379