Probing molecules in gas cells of subwavelength thickness with high frequency resolution
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arXiv
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| Auteurs principaux: | , , , , , , , , |
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866929265905238016 |
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| author | Arellano, Guadalupe Garcia Carvalho, Joao Carlos de Aquino Mouhanna, Hippolyte Butery, Esther Billeton, Thierry Du-Burck, Frederic Darquié, Benoît Maurin, Isabelle Laliotis, Athanasios |
| author_facet | Arellano, Guadalupe Garcia Carvalho, Joao Carlos de Aquino Mouhanna, Hippolyte Butery, Esther Billeton, Thierry Du-Burck, Frederic Darquié, Benoît Maurin, Isabelle Laliotis, Athanasios |
| contents | Miniaturizing and integrating atomic vapor cells is widely investigated for the purposes of fundamental measurements and technological applications such as quantum sensing. Extending such platforms to the realm of molecular physics is a fascinating prospect that paves the way for compact frequency metrology as well as for exploring light-matter interactions with complex quantum objects. Here, we perform molecular rovibrational spectroscopy in a thin-cell of micrometric thickness, comparable to excitation wavelengths. We operate the cell in two distinct regions of the electromagnetic spectrum, probing $ν_1$+$ν_3$ resonances of acetylene at 1.530$μ$m, within the telecommunications wavelength range, as well as the $ν_3$ and $ν_2$ resonances of $SF_6$ and $NH_3$ respectively, in the mid-infrared fingerprint region around 10.55$μ$m. Thin-cell confinement allows linear sub-Doppler transmission spectroscopy due to the coherent Dicke narrowing effect, here demonstrated for molecular rovibrations. Our experiment can find applications extending to the fields of compact molecular frequency references, atmospheric physics or fundamental precision measurements. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2403_03604 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Probing molecules in gas cells of subwavelength thickness with high frequency resolution Arellano, Guadalupe Garcia Carvalho, Joao Carlos de Aquino Mouhanna, Hippolyte Butery, Esther Billeton, Thierry Du-Burck, Frederic Darquié, Benoît Maurin, Isabelle Laliotis, Athanasios Atomic Physics Optics Quantum Physics Miniaturizing and integrating atomic vapor cells is widely investigated for the purposes of fundamental measurements and technological applications such as quantum sensing. Extending such platforms to the realm of molecular physics is a fascinating prospect that paves the way for compact frequency metrology as well as for exploring light-matter interactions with complex quantum objects. Here, we perform molecular rovibrational spectroscopy in a thin-cell of micrometric thickness, comparable to excitation wavelengths. We operate the cell in two distinct regions of the electromagnetic spectrum, probing $ν_1$+$ν_3$ resonances of acetylene at 1.530$μ$m, within the telecommunications wavelength range, as well as the $ν_3$ and $ν_2$ resonances of $SF_6$ and $NH_3$ respectively, in the mid-infrared fingerprint region around 10.55$μ$m. Thin-cell confinement allows linear sub-Doppler transmission spectroscopy due to the coherent Dicke narrowing effect, here demonstrated for molecular rovibrations. Our experiment can find applications extending to the fields of compact molecular frequency references, atmospheric physics or fundamental precision measurements. |
| title | Probing molecules in gas cells of subwavelength thickness with high frequency resolution |
| topic | Atomic Physics Optics Quantum Physics |
| url | https://arxiv.org/abs/2403.03604 |