Efficient Yellow and Green Lasers Generation in Lithium Niobate Micro-Waveguides
With a balance between optical loss and conversion efficiency, the generation of yellow lasers and green lasers by sum-frequency generation (SFG) and second-harmonic generation (SHG) is demonstrated in 16-mm-long periodically poled lithium niobate (PPLN) micro-waveguides. The waveguides exhibit low insertion losses of 4.3 dB in SFG and 4.4 dB in SHG. For nonlinear conversion performance measurement, high device efficiencies of 1037%/W and 1465.6%/W are achieved in SFG and SHG, respectively.
Authors
- Jinsong Xia (ORCID: https://orcid.org/0000-0002-9650-7839)
- Junjie Wei
- You Wu (ORCID: https://orcid.org/0009-0004-0124-3263)
- Shiqi Tao
- Cheng Zeng (ORCID: https://orcid.org/0000-0002-8810-0844)
Institutions
- Wuhan National Laboratory for Optoelectronics (CN)
- Huazhong University of Science and Technology (CN)
Publication Details
- Journal
- IEEE Photonics Technology Letters
- Published
- 2025-05-23
- DOI
- https://doi.org/10.1109/lpt.2025.3572947
- Citations
- 3
- Primary Topic
- Photorefractive and Nonlinear Optics
- Type
- article
- Field-Weighted Citation Impact
- 3.74
Funders
- National Natural Science Foundation of China
- Natural Science Foundation of Hubei Province
- National Key Research and Development Program of China