Phase and frequency dynamics of a short cavity swept-source OCT laser

Thomas P. Butler; D. Goulding; S. Slepneva; B. O'Shaughnessy; B. Kelleher; H-C. Lyu; S. P. Hegarty; A. G. Vladimirov; K. Karnowski; M. Wojtkowski; G. Huyet

doi:10.1117/12.2077184

2 March 2015 Phase and frequency dynamics of a short cavity swept-source OCT laser

Thomas P. Butler, D. Goulding, S. Slepneva, B. O'Shaughnessy, B. Kelleher, H-C. Lyu, S. P. Hegarty, A. G. Vladimirov, K. Karnowski, M. Wojtkowski, G. Huyet

Author Affiliations +

Proceedings Volume 9312, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XIX; 93123C (2015) https://doi.org/10.1117/12.2077184
Event: SPIE BiOS, 2015, San Francisco, California, United States

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, D. Goulding, S. Slepneva, B. O'Shaughnessy, B. Kelleher, H-C. Lyu, S. P. Hegarty, A. G. Vladimirov, K. Karnowski, M. Wojtkowski, and 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); https://doi.org/10.1117/12.2077184

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