Laser Offset Stabilization with Chip-Scale Atomic Diffractive Elements
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arXiv
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| Main Authors: | , , , , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866909207590076416 |
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| author | Krelman, Heleni Nefesh, Ori Levi, Kfir Bopp, Douglas G. Kang, Songbai Kitching, John E. Stern, Liron |
| author_facet | Krelman, Heleni Nefesh, Ori Levi, Kfir Bopp, Douglas G. Kang, Songbai Kitching, John E. Stern, Liron |
| contents | Achieving precise and adjustable control over laser frequency is an essential requirement in numerous applications such as precision spectroscopy, quantum control, and sensing. In many such applications it is desired to stabilize a laser with a variable detuning from an atomic line. In this study, we employ an offset-stabilization scheme by utilizing phase contrast spectroscopy in microfabricated atomic diffractive elements vapor-cells. The spectroscopic response of such a device generates oscillating optical fringes, providing multiple optical frequency stabilization points across a bandwidth of tens of gigahertz, centered around the absorption resonances of Rb. Using this device, we demonstrate laser stabilization at various offset frequencies with instabilities reaching sub-megahertz levels. We further explore the fundamental limitations of our hybrid atomic-photonic device, drawing parallels to birefringent and dichroic spectroscopy apparatuses, which are commonly employed for offset stabilization. Our system showcases a broad offset lock bandwidth, a highly compact footprint, scalability to chip-scale production, and the ability to operate without reliance on magnetic fields. These attributes pave the way for a multitude of applications in quantum technologies. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2405_11527 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Laser Offset Stabilization with Chip-Scale Atomic Diffractive Elements Krelman, Heleni Nefesh, Ori Levi, Kfir Bopp, Douglas G. Kang, Songbai Kitching, John E. Stern, Liron Applied Physics Atomic Physics Optics Achieving precise and adjustable control over laser frequency is an essential requirement in numerous applications such as precision spectroscopy, quantum control, and sensing. In many such applications it is desired to stabilize a laser with a variable detuning from an atomic line. In this study, we employ an offset-stabilization scheme by utilizing phase contrast spectroscopy in microfabricated atomic diffractive elements vapor-cells. The spectroscopic response of such a device generates oscillating optical fringes, providing multiple optical frequency stabilization points across a bandwidth of tens of gigahertz, centered around the absorption resonances of Rb. Using this device, we demonstrate laser stabilization at various offset frequencies with instabilities reaching sub-megahertz levels. We further explore the fundamental limitations of our hybrid atomic-photonic device, drawing parallels to birefringent and dichroic spectroscopy apparatuses, which are commonly employed for offset stabilization. Our system showcases a broad offset lock bandwidth, a highly compact footprint, scalability to chip-scale production, and the ability to operate without reliance on magnetic fields. These attributes pave the way for a multitude of applications in quantum technologies. |
| title | Laser Offset Stabilization with Chip-Scale Atomic Diffractive Elements |
| topic | Applied Physics Atomic Physics Optics |
| url | https://arxiv.org/abs/2405.11527 |