Journal article Open Access

Coherence transfer in an akinetic swept source OCT laser with optical feedback

S. Slepneva, A. Kovalev, N. Rebrova, K. Grigorenko, E. Viktorov, and G. Huyet

We theoretically investigate the influence of optical feedback onto the dynamics of a semiconductor swept source laser. In particular, we show that optical feedback can be used to lock the phase of the successive lasing modes of a multi-section semiconductor laser commonly used for optical coherence tomography (OCT) applications. We also identify two different regimes called sliding frequency self-mixing and sliding frequency mode locking. The second regime demonstrates sub-nanosecond sliding frequency pulses for nonlinear optics applications.

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