High-Speed and Wide Bandwidth Fourier Domain Mode-locked Wavelength Swept Laser with Multiple SOAs

We report on the high-speed, wide bandwidth Fourier domain mode-locked wavelength swept laser using two SOAs. We obtained the 3 dB gain bandwidth of more than 125 nm and the edge-to-edge gain bandwidth of more than 145 nm at the sweep rate 45.589 kHz. The measured axial resolution of the forward scan is ~ 5.6 mum in tissue.

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