Soliton formation in a bound state in the continuum GaN waveguide polariton laser
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arXiv
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| Main Authors: | , , , , , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866917173820129280 |
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| author | Develay, V. Bahrova, O. Septembre, I. Bobylev, D. Brimont, C. Doyennette, L. Alloing, B. Souissi, H. Cambril, E. Bouchoule, S. Zúñiga-Pérez, J. Solnyshkov, D. Malpuech, G. Guillet, T. |
| author_facet | Develay, V. Bahrova, O. Septembre, I. Bobylev, D. Brimont, C. Doyennette, L. Alloing, B. Souissi, H. Cambril, E. Bouchoule, S. Zúñiga-Pérez, J. Solnyshkov, D. Malpuech, G. Guillet, T. |
| contents | We study polaritonic bound states in the continuum (BIC) created in GaN waveguides. The existence of symmetry-protected BICs is confirmed by the suppression of light emission and the observation of a polarization vortex in momentum space. Upon increasing the pumping, polariton population accumulates at the BIC and we observe polariton lasing from the blueshifted BIC states. The assessment of the polariton BIC emission energy and of its momentum broadening as a function of pumping power, i.e. of polariton density, indicates the formation of a bright soliton above the lasing threshold. Soliton formation at the BIC is induced by the combination of negative mass BIC and of repulsive polariton-polariton interactions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_23368 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Soliton formation in a bound state in the continuum GaN waveguide polariton laser Develay, V. Bahrova, O. Septembre, I. Bobylev, D. Brimont, C. Doyennette, L. Alloing, B. Souissi, H. Cambril, E. Bouchoule, S. Zúñiga-Pérez, J. Solnyshkov, D. Malpuech, G. Guillet, T. Mesoscale and Nanoscale Physics Quantum Gases Optics We study polaritonic bound states in the continuum (BIC) created in GaN waveguides. The existence of symmetry-protected BICs is confirmed by the suppression of light emission and the observation of a polarization vortex in momentum space. Upon increasing the pumping, polariton population accumulates at the BIC and we observe polariton lasing from the blueshifted BIC states. The assessment of the polariton BIC emission energy and of its momentum broadening as a function of pumping power, i.e. of polariton density, indicates the formation of a bright soliton above the lasing threshold. Soliton formation at the BIC is induced by the combination of negative mass BIC and of repulsive polariton-polariton interactions. |
| title | Soliton formation in a bound state in the continuum GaN waveguide polariton laser |
| topic | Mesoscale and Nanoscale Physics Quantum Gases Optics |
| url | https://arxiv.org/abs/2512.23368 |