Effect of feedback on multi-section semiconductor swept-source laser for OCT applications

Aritra Roy; Saroj Kanta Patra; Svetlana Slepneva; Anton Kovalev; Konstantin Grigorenko; Natalia Rebrova; Alexis Verschelde; Amy Roche; Mathias Marconi; Massimo Giudici; Evgeny Viktorov; Tomasz Piwonski; Guillaume Huyet

doi:10.1117/12.2578233

5 March 2021 Effect of feedback on multi-section semiconductor swept-source laser for OCT applications

Aritra Roy, Saroj Kanta Patra, Svetlana Slepneva, Anton Kovalev, Konstantin Grigorenko, Natalia Rebrova, Alexis Verschelde, Amy Roche, Mathias Marconi, Massimo Giudici, Evgeny Viktorov, Tomasz Piwonski, Guillaume Huyet

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Proceedings Volume 11680, Physics and Simulation of Optoelectronic Devices XXIX; 116800P (2021) https://doi.org/10.1117/12.2578233
Event: SPIE OPTO, 2021, Online Only

Abstract

We present here a combined theoretical and experimental study to investigate the influence of external optical feedback in a semiconductor swept-source laser. The applied feedback is shown to transfer the coherence between the subsequent modes and retain it along the full sweep. As a result, the technique can act as a solution to the de-coherence during the mode-hops observed in this kind of swept-source lasers thus noticeable increasing the image quality of Optical Coherence Tomography systems.

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Aritra Roy, Saroj Kanta Patra, Svetlana Slepneva, Anton Kovalev, Konstantin Grigorenko, Natalia Rebrova, Alexis Verschelde, Amy Roche, Mathias Marconi, Massimo Giudici, Evgeny Viktorov, Tomasz Piwonski, and Guillaume Huyet "Effect of feedback on multi-section semiconductor swept-source laser for OCT applications", Proc. SPIE 11680, Physics and Simulation of Optoelectronic Devices XXIX, 116800P (5 March 2021); https://doi.org/10.1117/12.2578233

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