Photonics Breakthroughs 2024: Narrow-Linewidth Lasers in the Visible and Near-Infrared
Narrow-linewidth lasers enable a variety of high-precision applications, such as sensing, optical clocks, and microwave frequency generation. Advances in photonic integration in the last decade led to the development of ultra-low-noise integrated semiconductor lasers, mostly in the telecom wavelengt...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
IEEE
2025-01-01
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| Series: | IEEE Photonics Journal |
| Subjects: | |
| Online Access: | https://ieeexplore.ieee.org/document/10981617/ |
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| Summary: | Narrow-linewidth lasers enable a variety of high-precision applications, such as sensing, optical clocks, and microwave frequency generation. Advances in photonic integration in the last decade led to the development of ultra-low-noise integrated semiconductor lasers, mostly in the telecom wavelength range. In recent years, the demand for high-performance lasers at shorter wavelengths skyrocketed, driven by applications in sensing and atom trapping. Low-noise lasers are of particular importance in this spectral range, as they are essential for optical clocks. Here, we will review recent progress in narrow-linewidth lasers at shorter wavelengths, present results on a hybrid-integrated low-noise laser at 780 nm and discuss the perspectives and challenges of high-performance semiconductor lasers in the visible and near-infrared. |
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| ISSN: | 1943-0655 |