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Journal Articles Optics Continuum Year : 2022

Chaotic time-delay signature suppression in lasers using phase-controlled dual optical feedback

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Robbe de Mey
Alexandre Locquet
Martin Virte

Abstract

We experimentally study a semiconductor laser subject to two optical feedbacks in a free space setup. We show that control over the feedback phase is essential to adjust the time delay signature in the chaotic output intensity while affecting also the chaotic bandwidth. By optimizing the feedback phase, the time delay signature can be reduced by a factor of more than 2 while maintaining a large chaotic bandwidth.
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Dates and versions

hal-03870981 , version 1 (24-11-2022)

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Robbe de Mey, Spencer W Jolly, Alexandre Locquet, Martin Virte. Chaotic time-delay signature suppression in lasers using phase-controlled dual optical feedback. Optics Continuum , 2022, 1 (10), pp.2127-2134. ⟨10.1364/OPTCON.469410⟩. ⟨hal-03870981⟩
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