Mid-infrared integrated resonators on a III-V platform with Q-factors beyond half a million
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arXiv
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| Autores principales: | , , , , , , , , , |
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| Formato: | Preprint |
| Publicado: |
2025
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| author | Lucia, Luca Ngo, Gia Long Urbain, Mathilde Pantzas, Konstantinos Beaudoin, Gregoire Pirotta, Stefano Manceau, Jean-Michel Sagnes, Isabelle Colombelli, Raffaele Bousseksou, Adel |
| author_facet | Lucia, Luca Ngo, Gia Long Urbain, Mathilde Pantzas, Konstantinos Beaudoin, Gregoire Pirotta, Stefano Manceau, Jean-Michel Sagnes, Isabelle Colombelli, Raffaele Bousseksou, Adel |
| contents | We demonstrate mid-IR integrated race-track resonators on a III-V semiconductor platform,InGaAs core epitaxially grown on InP. We have performed a complete characterization of the optical propagation losses at wavelength = 4.6 um and wavelength = 8.5 um, two representative wavelengths for the 1st and 2nd atmospheric transparency windows. We measured losses of 1 dB/cm (TE polarization) and 1.3 dB/cm (TM polarization) at 8.5 um. Substantially lower losses, 0.28 dB/cm, were measured at wavelength = 4.6 um (TM polarization). We then implemented racetrack resonators with straight evanescent couplers. We obtained loaded quality factors larger than 600.000 at wavelength = 4.6 um. These results are promising towards the development of non-linear mid-IR integrated devices with Q factors beyond a million, where the onset of stimulated parametric processes could be reachable. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2508_08168 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Mid-infrared integrated resonators on a III-V platform with Q-factors beyond half a million Lucia, Luca Ngo, Gia Long Urbain, Mathilde Pantzas, Konstantinos Beaudoin, Gregoire Pirotta, Stefano Manceau, Jean-Michel Sagnes, Isabelle Colombelli, Raffaele Bousseksou, Adel Optics Applied Physics We demonstrate mid-IR integrated race-track resonators on a III-V semiconductor platform,InGaAs core epitaxially grown on InP. We have performed a complete characterization of the optical propagation losses at wavelength = 4.6 um and wavelength = 8.5 um, two representative wavelengths for the 1st and 2nd atmospheric transparency windows. We measured losses of 1 dB/cm (TE polarization) and 1.3 dB/cm (TM polarization) at 8.5 um. Substantially lower losses, 0.28 dB/cm, were measured at wavelength = 4.6 um (TM polarization). We then implemented racetrack resonators with straight evanescent couplers. We obtained loaded quality factors larger than 600.000 at wavelength = 4.6 um. These results are promising towards the development of non-linear mid-IR integrated devices with Q factors beyond a million, where the onset of stimulated parametric processes could be reachable. |
| title | Mid-infrared integrated resonators on a III-V platform with Q-factors beyond half a million |
| topic | Optics Applied Physics |
| url | https://arxiv.org/abs/2508.08168 |