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12 March 2024 Nonlinear dynamics of a blue laser array in a Talbot based cavity
Olivier Spitz, Parashu Nyaupane, Greggory Scranton, Patrick Likamwa, Yehuda Braiman
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Proceedings Volume PC12880, Physics and Simulation of Optoelectronic Devices XXXII; PC128800C (2024) https://doi.org/10.1117/12.3002755
Event: SPIE OPTO, 2024, San Francisco, California, United States
Abstract
The role of optical feedback in a Talbot based cavity has been studied for many years in laser arrays. Yet, those studies mainly deal with improving (or stabilizing) the global, slow-timescale properties of the laser array such as far-field pattern and optical spectrum. In our work, we shed a new light on Talbot based cavity feedback by exploring the fast-timescale properties of each lasers in the array and by studying destabilization instead of stabilization. We experimentally show that a 1D-array of semiconductor lasers emitting around 445 nm exhibits sub-ns intensity fluctuations that can be partially synchronized between lasers.
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Olivier Spitz, Parashu Nyaupane, Greggory Scranton, Patrick Likamwa, and Yehuda Braiman "Nonlinear dynamics of a blue laser array in a Talbot based cavity", Proc. SPIE PC12880, Physics and Simulation of Optoelectronic Devices XXXII, PC128800C (12 March 2024); https://doi.org/10.1117/12.3002755
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KEYWORDS
Blue lasers
Ocean optics
Quantum cascade lasers
Laser stabilization
Semiconductor lasers
Nonlinear dynamics
Diseases and disorders
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