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Calibration of optical modulators by optical down-conversion.

Watson, C D*; Humphreys, D A; Wilson, M G F* (1993) Calibration of optical modulators by optical down-conversion. IEEE Photonics Technol. Lett., 5 (9). pp. 1005-1007.

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Abstract

A new method for the calibration of intensity modulators and modulated laser diodes at millimetre-wave frequencies is presented. The method uses integrated-optic modulators as both a mixer and a frequency doubler. To demonstrate the measurement technique an intensity modulator is calibrated over the band 26.5 - 40 GHz. The measurement system employs no component exceeding 20 GHz (excluding the RF generator), and with relatively minor modifications measurements in excess of 60 GHz are feasible.

Item Type: Article
Subjects: Electromagnetics
Last Modified: 02 Feb 2018 13:19
URI: http://eprintspublications.npl.co.uk/id/eprint/1664

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