Sub-kHz single-frequency pulsed semiconductor laser based on NPRO injection locking Article Swipe
Chengfeng Ma
,
W. Li
,
Weitong Fan
,
Danqing Liu
,
Xuezhen Gong
,
Zelong Huang
,
Jie Xu
,
Hsien-Chi Yeh
,
Changlei Guo
·
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.48550/arxiv.2503.09339
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.48550/arxiv.2503.09339
We report a single-frequency, narrow-linewidth semiconductor pulsed laser based on pump current modulation and optical injection locking technique. A monolithic non-planar ring oscillator laser is employed as the seed source to guarantee the single-frequency narrow-linewidth performance. Simultaneously, pulse operation is achieved by directly modulating the pump current of the semiconductor laser. The single-frequency pulsed laser (SFPL) has achieved a pulse repetition rate of 50 kHz-1 MHz, a pulse duration ranging from 120 ns to a quasi-continuous state, and a peak power of 160 mW. Moreover, the SFPL has reached a pulsed laser linewidth as narrow as 905 Hz, optical spectrum signal-to-noise ratio of better than 65 dB at a center wavelength of 1064.45 nm. Such extremely narrow-linewidth, repetition-rate and pulse-width tunable SFPL has great potential for applications in coherent LIDAR, metrology, remote sensing, and nonlinear frequency conversion.
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- Type
- preprint
- Language
- en
- Landing Page
- http://arxiv.org/abs/2503.09339
- https://arxiv.org/pdf/2503.09339
- OA Status
- green
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- https://openalex.org/W4415102427
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Raw OpenAlex JSON
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https://openalex.org/W4415102427Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.48550/arxiv.2503.09339Digital Object Identifier
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Sub-kHz single-frequency pulsed semiconductor laser based on NPRO injection lockingWork title
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preprintOpenAlex work type
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enPrimary language
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2025Year of publication
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2025-03-12Full publication date if available
- Authors
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Chengfeng Ma, W. Li, Weitong Fan, Danqing Liu, Xuezhen Gong, Zelong Huang, Jie Xu, Hsien-Chi Yeh, Changlei GuoList of authors in order
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https://arxiv.org/abs/2503.09339Publisher landing page
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https://arxiv.org/pdf/2503.09339Direct link to full text PDF
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YesWhether a free full text is available
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greenOpen access status per OpenAlex
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https://arxiv.org/pdf/2503.09339Direct OA link when available
- Cited by
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0Total citation count in OpenAlex
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