Determination of white and 1/f FM noise components of semiconductor laser spectrum by a delayed self-heterodyne interferometer using short delay fiber

Mohammed Nazrul Islam; Tadakazu Nomura; Masaaki M. Imai; Md. Quamrul Huda

doi:10.1117/12.370329

12 November 1999 Determination of white and 1/f FM noise components of semiconductor laser spectrum by a delayed self-heterodyne interferometer using short delay fiber

Mohammed Nazrul Islam, Tadakazu Nomura, Masaaki M. Imai, Md. Quamrul Huda

Author Affiliations +

Proceedings Volume 3896, Design, Fabrication, and Characterization of Photonic Devices; (1999) https://doi.org/10.1117/12.370329
Event: International Symposium on Photonics and Applications, 1999, Singapore, Singapore

Abstract

The measurement and evaluation of power spectrum of a semiconductor laser by delayed self-heterodyne interferometer is demonstrated with the use of a short delay fiber. The measured spectrum is analyzed numerically including the effect of a delay time much less than the laser coherence time. The theoretical formulation developed here is found to be found to be accurate since it exhibits a peak with finite width at the center frequency of the measured lineshape. The white and 1/f components of the laser FM noise are then separated successfully by fitting numerical analysis to the experimental results.

Citation Download Citation

Mohammed Nazrul Islam, Tadakazu Nomura, Masaaki M. Imai, and Md. Quamrul Huda "Determination of white and 1/f FM noise components of semiconductor laser spectrum by a delayed self-heterodyne interferometer using short delay fiber", Proc. SPIE 3896, Design, Fabrication, and Characterization of Photonic Devices, (12 November 1999); https://doi.org/10.1117/12.370329

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