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Proceedings Paper

Coherent phase modulation detection for self-heterodyne phase noise measurement
Author(s): Tam N. Huynh; Lim Nguyen; Kai Shi; Liam P. Barry
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Paper Abstract

We present coherent phase modulation detection for laser phase noise measurement via a self-heterodyne technique. Measurements have been performed for DFB and SGDBR lasers to demonstrate the technique. The results show that DFB laser phase noise is well described by the random-walk phase fluctuation while SGDBR has additional frequency fluctuation due to 1/f noise below 100 MHz that significantly broadens the linewidth.

Paper Details

Date Published: 14 December 2011
PDF: 7 pages
Proc. SPIE 8309, Optical Transmission Systems, Subsystems, and Technologies IX, 830920 (14 December 2011); doi: 10.1117/12.904256
Show Author Affiliations
Tam N. Huynh, Dublin City Univ. (Ireland)
Lim Nguyen, Univ. of Nebraska-Lincoln (United States)
Kai Shi, Dublin City Univ. (Ireland)
Liam P. Barry, Dublin City Univ. (Ireland)


Published in SPIE Proceedings Vol. 8309:
Optical Transmission Systems, Subsystems, and Technologies IX
Xiang Liu, Editor(s)

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