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Optical Engineering

Theoretical and experimental study on the optimal performance of an optical voltage controlled oscillator
Author(s): Ding Ding; Yangan Zhang; Yupeng Li; Limeng Wang
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Paper Abstract

As a key component of the subcarrier-based optical phase-locked loop, an optical voltage controlled oscillator (OVCO) suffers a penalty due to various factors, such as the nonoptimal peak drive voltage, the bias voltage deviation, and the inevitable imperfections of the modulator and the driver. We have performed a systematic study to investigate the influence of these factors on the performance of the OVCO. Our theoretical analysis and experimental demonstration show that by setting the peak drive voltage to around 1.172Vπ, employing a proper automatic bias control technology for the Mach–Zehnder modulator, and applying a driver with adequate output saturation voltage, the optimal performance of the OVCO with high power efficiency and stable output can be achieved. Our results may provide useful guides for the design of an OVCO or the production of a commercially integrated OVCO component.

Paper Details

Date Published: 13 October 2015
PDF: 6 pages
Opt. Eng. 54(10) 105104 doi: 10.1117/1.OE.54.10.105104
Published in: Optical Engineering Volume 54, Issue 10
Show Author Affiliations
Ding Ding, Beijing Univ. of Posts and Telecommunications (China)
Yangan Zhang, Beijing Univ. of Posts and Telecommunications (China)
Yupeng Li, Beijing Univ. of Posts and Telecommunications (China)
Limeng Wang, Beijing Univ. of Posts and Telecommunications (China)


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