2 March 2015 Phase and frequency dynamics of a short cavity swept-source OCT laser
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Abstract
We analyse the dynamical behaviour of a short cavity OCT swept-source laser experimentally and theoretically. Mode-hopping, sliding frequency mode-locking and chaos are all observed during the laser sweep period. Hetero- dyne measurements of laser dynamics allows some insight into the behaviour of the laser, while interferometric techniques allow the full phase reconstruction of the laser electric field. A delay differential equation enables modelling of the laser output, and laser parameters can be altered to provide optimisation conditions for future laser designs.
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Thomas P. Butler, Thomas P. Butler, D. Goulding, D. Goulding, S. Slepneva, S. Slepneva, B. O'Shaughnessy, B. O'Shaughnessy, B. Kelleher, B. Kelleher, H-C. Lyu, H-C. Lyu, S. P. Hegarty, S. P. Hegarty, A. G. Vladimirov, A. G. Vladimirov, K. Karnowski, K. Karnowski, M. Wojtkowski, M. Wojtkowski, G. Huyet, G. Huyet, } "Phase and frequency dynamics of a short cavity swept-source OCT laser", Proc. SPIE 9312, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XIX, 93123C (2 March 2015); doi: 10.1117/12.2077184; https://doi.org/10.1117/12.2077184
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