Analysis of laterally-coupled-cavity VCSELs for ultra-high-frequency photon-photon resonance modulation

N. Ledentsov Jr.; V. A. Shchukin; Ł. Chorchos; O. Yu. Makarov; J.-R. Kropp; I. E. Titkov; V. P. Kalosha; V. Zerova; M. Lindemann; N. C. Gerhardt; M. D’Alessandro; V. Torrelli; P. Debernardi; A. Tibaldi; M. R. Hofmann; N. N. Ledentsov

doi:10.1117/12.3001177

13 March 2024 Analysis of laterally-coupled-cavity VCSELs for ultra-high-frequency photon-photon resonance modulation

N. Ledentsov Jr., V. A. Shchukin, Ł. Chorchos, O. Yu. Makarov, J.-R. Kropp, I. E. Titkov, V. P. Kalosha, V. Zerova, M. Lindemann, N. C. Gerhardt, M. D’Alessandro, V. Torrelli, P. Debernardi, A. Tibaldi, M. R. Hofmann, N. N. Ledentsov

Author Affiliations +

Proceedings Volume 12904, Vertical-Cavity Surface-Emitting Lasers XXVIII; 1290405 (2024) https://doi.org/10.1117/12.3001177
Event: SPIE OPTO, 2024, San Francisco, California, United States

Abstract

We report high frequency (20-100 GHz range) optical field intensity oscillations in laterally-coupled-cavity verticalcavity surface-emitting lasers with several different techniques. The oscillation frequency is defined by the photon energy splitting of the coupled states. The resonance effect is stable in an extended current range and can enable modulation frequency resonances at higher frequencies as compared to the conventional relaxation oscillation frequency of the laser. This paves a way towards high-speed data transmission solutions at data rates beyond ~200 Gb/s with the advantage of better laser stability, as the resonance observed can reach high frequencies even at low current densities. A ~75 GHz intensity modulation between optical modes of a coupled-cavity VCSEL array was first reported by the authors in a two-aperture configuration in 2023 applying optical excitation [1]. Studies of 4- and 10-element coupled VCSEL arrays give further insight into the effects observed. New 3D numerical simulations and electrical modulation techniques have been applied to address the specific nature of the photon-photon resonance studies.

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(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

N. Ledentsov Jr., V. A. Shchukin, Ł. Chorchos, O. Yu. Makarov, J.-R. Kropp, I. E. Titkov, V. P. Kalosha, V. Zerova, M. Lindemann, N. C. Gerhardt, M. D’Alessandro, V. Torrelli, P. Debernardi, A. Tibaldi, M. R. Hofmann, and N. N. Ledentsov "Analysis of laterally-coupled-cavity VCSELs for ultra-high-frequency photon-photon resonance modulation", Proc. SPIE 12904, Vertical-Cavity Surface-Emitting Lasers XXVIII, 1290405 (13 March 2024); https://doi.org/10.1117/12.3001177

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