Sparse signal reconstruction based on experimental chaos generated by a laser diode

D. Rontani; D. Choi; C.-Y. Chang; A. Locquet; D. S. Citrin

doi:10.1117/12.2227633

28 April 2016 Sparse signal reconstruction based on experimental chaos generated by a laser diode

D. Rontani, D. Choi, C.-Y. Chang, A. Locquet, D. S. Citrin

Author Affiliations +

Proceedings Volume 9892, Semiconductor Lasers and Laser Dynamics VII; 98920H (2016) https://doi.org/10.1117/12.2227633
Event: SPIE Photonics Europe, 2016, Brussels, Belgium

Abstract

We demonstrate experimentally that optical chaos generated by a laser diode with optical feedback is suitable for compressive sensing of sparse signals. Specifically, we find that the coherence collapse regime guarantees that the generation of a sensing matrix, necessary for sparse reconstruction, has a comparable level of performance to those constructed with Gaussian random sequences. Our result opens new avenues for the use of optical chaotic devices for signal processing applications at ultra-high speed.

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D. Rontani, D. Choi, C.-Y. Chang, A. Locquet, and D. S. Citrin "Sparse signal reconstruction based on experimental chaos generated by a laser diode", Proc. SPIE 9892, Semiconductor Lasers and Laser Dynamics VII, 98920H (28 April 2016); https://doi.org/10.1117/12.2227633

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