Laser Linewidth Measurements Using Self-Heterodyne Detection with Total-Reflected Delay Line

Jian Li; Nan Xu; Jian Wei Li; Zhi Xin Zhang

doi:10.4028/www.scientific.net/AMR.571.467

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 571Laser Linewidth Measurements Using Self-Heterodyne...

Laser Linewidth Measurements Using Self-Heterodyne Detection with Total-Reflected Delay Line

Abstract:

As an important parameter in the laser communication system, the narrow linewidth of tunable laser source (TLS) must be measured accurately. Therefore, the linewidth of a TLS was measured with the delayed self-heterodyne detection method in the present work. The total-reflected delay line was used in the measurement system for make full use of 25km single-mode fiber delay line. The measured linewidth of the 1550 TLS is of 127 kHz, in agreement with the nominal value.

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Periodical:

Advanced Materials Research (Volume 571)

Pages:

467-470

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.571.467

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Online since:

September 2012

Authors:

Jian Li, Nan Xu, Jian Wei Li, Zhi Xin Zhang

Keywords:

Fiber-Optic Interferometry, Laser Linewidth, Self-Heterodyne Detection

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