Fast wavelength-swept dispersion-tuned fiber laser over 500kHz using a wideband chirped fiber Bragg grating

Shinji Yamashita; Yuya Takubo

doi:10.1117/12.885070

18 May 2011 Fast wavelength-swept dispersion-tuned fiber laser over 500kHz using a wideband chirped fiber Bragg grating

Shinji Yamashita, Yuya Takubo

Proceedings Volume 7753, 21st International Conference on Optical Fiber Sensors; 77537W (2011) https://doi.org/10.1117/12.885070
Event: 21st International Conference on Optical Fibre Sensors (OFS21), 2011, Ottawa, Canada

Abstract

We proposed a wide and fast wavelength-swept fiber lasers based on the dispersion tuning for the optical coherence tomography (OCT) applications. So far, we have achieved the sweep rate of ~200kHz at the sweep bandwidth of ~180nm. The sweep rate is only limited by the photon lifetime, which is proportional to the cavity length. Since we used a dispersion compensating fiber (DCF) as the dispersive medium, the long cavity length (~100m) was the limit of the sweep rate. In this paper, we demonstrate faster sweep rate up to ~500kHz by using a wideband chirped fiber Bragg grating (CFBG).

Citation Download Citation

Shinji Yamashita and Yuya Takubo "Fast wavelength-swept dispersion-tuned fiber laser over 500kHz using a wideband chirped fiber Bragg grating", Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 77537W (18 May 2011); https://doi.org/10.1117/12.885070

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