Single-Frequency Linearly-Polarization Q-Switched Nanosecond Fiber Ring-Cavity Laser Enabled by an Electro-Optic Modulator
We report a single-frequency linearly-polarized nanosecond fiber ring-cavity laser based on an electro-optic modulator. A 0.08-nm-bandwidth fiber Bragg grating combined with a section of 1-m unpumped Yb-doped fiber act as an ultra-narrow bandwidth filter to realize single-frequency laser output. The...
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IEEE
2023-01-01
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| Series: | IEEE Photonics Journal |
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| Online Access: | https://ieeexplore.ieee.org/document/10147382/ |
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| author | Siyu Chen Dan Zhang Wanru Zhang Tao Wang Can Li Man Jiang Jian Wu Rongtao Su Yanxing Ma |
| author_facet | Siyu Chen Dan Zhang Wanru Zhang Tao Wang Can Li Man Jiang Jian Wu Rongtao Su Yanxing Ma |
| author_sort | Siyu Chen |
| collection | DOAJ |
| description | We report a single-frequency linearly-polarized nanosecond fiber ring-cavity laser based on an electro-optic modulator. A 0.08-nm-bandwidth fiber Bragg grating combined with a section of 1-m unpumped Yb-doped fiber act as an ultra-narrow bandwidth filter to realize single-frequency laser output. The devices used in the experiments are all polarization-maintaining to ensure the linearly-polarized laser output. Pulsed laser is obtained by using electro-optic modulator to adjust the loss in the laser cavity periodically. And the repetition rate of pulse trains can be flexibly changed from 550 to 1000 kHz with a pulse width of 27–59 ns. By varying the amplitude of the arbitrary function generator, we obtained a single-frequency pulsed laser output with a pulse width of 51–493 ns. The linewidth of the laser is 31.8 MHz, and the polarization extinction ratio was better than 20 dB. |
| format | Article |
| id | doaj-art-e68cef0789834ab1b761b2145607776b |
| institution | Kabale University |
| issn | 1943-0655 |
| language | English |
| publishDate | 2023-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Photonics Journal |
| spelling | doaj-art-e68cef0789834ab1b761b2145607776b2025-08-20T03:31:23ZengIEEEIEEE Photonics Journal1943-06552023-01-011541610.1109/JPHOT.2023.328454310147382Single-Frequency Linearly-Polarization Q-Switched Nanosecond Fiber Ring-Cavity Laser Enabled by an Electro-Optic ModulatorSiyu Chen0https://orcid.org/0000-0002-1221-0959Dan Zhang1Wanru Zhang2Tao Wang3Can Li4https://orcid.org/0000-0002-0148-8533Man Jiang5Jian Wu6https://orcid.org/0000-0003-3747-7358Rongtao Su7https://orcid.org/0000-0003-1555-5263Yanxing Ma8College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha, ChinaCollege of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha, ChinaCollege of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha, ChinaCollege of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha, ChinaCollege of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha, ChinaCollege of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha, ChinaCollege of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha, ChinaCollege of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha, ChinaCollege of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha, ChinaWe report a single-frequency linearly-polarized nanosecond fiber ring-cavity laser based on an electro-optic modulator. A 0.08-nm-bandwidth fiber Bragg grating combined with a section of 1-m unpumped Yb-doped fiber act as an ultra-narrow bandwidth filter to realize single-frequency laser output. The devices used in the experiments are all polarization-maintaining to ensure the linearly-polarized laser output. Pulsed laser is obtained by using electro-optic modulator to adjust the loss in the laser cavity periodically. And the repetition rate of pulse trains can be flexibly changed from 550 to 1000 kHz with a pulse width of 27–59 ns. By varying the amplitude of the arbitrary function generator, we obtained a single-frequency pulsed laser output with a pulse width of 51–493 ns. The linewidth of the laser is 31.8 MHz, and the polarization extinction ratio was better than 20 dB.https://ieeexplore.ieee.org/document/10147382/Single-frequencypulsed laserelectro-optical modulatorlinearly-polarized |
| spellingShingle | Siyu Chen Dan Zhang Wanru Zhang Tao Wang Can Li Man Jiang Jian Wu Rongtao Su Yanxing Ma Single-Frequency Linearly-Polarization Q-Switched Nanosecond Fiber Ring-Cavity Laser Enabled by an Electro-Optic Modulator IEEE Photonics Journal Single-frequency pulsed laser electro-optical modulator linearly-polarized |
| title | Single-Frequency Linearly-Polarization Q-Switched Nanosecond Fiber Ring-Cavity Laser Enabled by an Electro-Optic Modulator |
| title_full | Single-Frequency Linearly-Polarization Q-Switched Nanosecond Fiber Ring-Cavity Laser Enabled by an Electro-Optic Modulator |
| title_fullStr | Single-Frequency Linearly-Polarization Q-Switched Nanosecond Fiber Ring-Cavity Laser Enabled by an Electro-Optic Modulator |
| title_full_unstemmed | Single-Frequency Linearly-Polarization Q-Switched Nanosecond Fiber Ring-Cavity Laser Enabled by an Electro-Optic Modulator |
| title_short | Single-Frequency Linearly-Polarization Q-Switched Nanosecond Fiber Ring-Cavity Laser Enabled by an Electro-Optic Modulator |
| title_sort | single frequency linearly polarization q switched nanosecond fiber ring cavity laser enabled by an electro optic modulator |
| topic | Single-frequency pulsed laser electro-optical modulator linearly-polarized |
| url | https://ieeexplore.ieee.org/document/10147382/ |
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