Journal
CHINESE OPTICS LETTERS
Volume 20, Issue 5, Pages -Publisher
Optica Publishing Group
DOI: 10.3788/COL202220.051601
Keywords
nonlinear optical properties; saturable absorber; VOx; NaVO3 composite; Q -switching
Categories
Funding
- National Natural Science Foundation of China [12174223, 12004213, 21872084, 62175128]
- Young Scholar Program of Shandong University
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We have reported the use of VOx/NaVO3 nanocomposite as a novel saturable absorber for the first time. The Z-scan technology was used to determine the efficient nonlinear absorption coefficient and modulation depth. Our results demonstrate the potential of VOx/NaVO3 as an optical modulator in the near-infrared region.
We report VOx/NaVO3 nanocomposite as a novel saturable absorber for the first time, to the best of our knowledge. The efficient nonlinear absorption coefficient and the modulation depth are determined by the Z-scan technology. As a saturable absorber, a passively Q-switched Nd-doped bulk laser at 1.34 ??m is demonstrated, producing the shortest pulse duration of 129 ns at a repetition rate of 274 kHz. In the passively Q-switched Tm:YLF laser with the prepared saturable absorber, the shortest pulse duration was 292 ns with a repetition rate of 155 kHz. Our work confirmed the saturable absorption in VOx/NaVO3 for possible optical modulation in the near-infrared region.
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