Coherent phase modulation detection for self-heterodyne phase noise measurement

Tam N. Huynh; Lim Nguyen; Kai Shi; Liam P. Barry

doi:10.1117/12.904256

14 December 2011 Coherent phase modulation detection for self-heterodyne phase noise measurement

Tam N. Huynh, Lim Nguyen, Kai Shi, Liam P. Barry

Proceedings Volume 8309, Optical Transmission Systems, Subsystems, and Technologies IX; 830920 (2011) https://doi.org/10.1117/12.904256
Event: SPIE/OSA/IEEE Asia Communications and Photonics, 2011, Shanghai, China

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.

Citation Download Citation

Tam N. Huynh, Lim Nguyen, Kai Shi, and Liam P. Barry "Coherent phase modulation detection for self-heterodyne phase noise measurement", Proc. SPIE 8309, Optical Transmission Systems, Subsystems, and Technologies IX, 830920 (14 December 2011); https://doi.org/10.1117/12.904256

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