Measurement of the modulation efficiency of an optical phase modulator using a self-homodyne receiver

John A. Campbell; Andreé Knoesen; Diego R. Yankelevich

doi:10.1109/LPT.2002.801079

Measurement of the modulation efficiency of an optical phase modulator using a self-homodyne receiver

John A. Campbell, Andreé Knoesen, Diego R. Yankelevich

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

The authors describe a self-homodyne technique to measure the modulation efficiency of an optical phase modulator. The phase modulator is driven by a sine wave and the baseband spectrum is measured and analyzed. Combinations of the ratio of harmonics are used to estimate V_π of a commercially available modulator with a resolution of 0.8%. The method offers simplicity because it uses a single laser, does not require sensitive optical adjustments, and lends itself to the measurement of V_π as a function of modulation frequency and optical carrier wavelength.

Original language	English
Pages (from-to)	1330-1332
Number of pages	3
Journal	IEEE Photonics Technology Letters
Volume	14
Issue number	9
DOIs	https://doi.org/10.1109/LPT.2002.801079
Publication status	Published - Sept 2002
Externally published	Yes

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abstract = "The authors describe a self-homodyne technique to measure the modulation efficiency of an optical phase modulator. The phase modulator is driven by a sine wave and the baseband spectrum is measured and analyzed. Combinations of the ratio of harmonics are used to estimate Vπ of a commercially available modulator with a resolution of 0.8%. The method offers simplicity because it uses a single laser, does not require sensitive optical adjustments, and lends itself to the measurement of Vπ as a function of modulation frequency and optical carrier wavelength.",

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AB - The authors describe a self-homodyne technique to measure the modulation efficiency of an optical phase modulator. The phase modulator is driven by a sine wave and the baseband spectrum is measured and analyzed. Combinations of the ratio of harmonics are used to estimate Vπ of a commercially available modulator with a resolution of 0.8%. The method offers simplicity because it uses a single laser, does not require sensitive optical adjustments, and lends itself to the measurement of Vπ as a function of modulation frequency and optical carrier wavelength.

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KW - Optical measurements

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Measurement of the modulation efficiency of an optical phase modulator using a self-homodyne receiver

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