期刊
OPTICS LETTERS
卷 46, 期 9, 页码 2127-2130出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.424996
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资金
- Key Technologies Research and Development Program [2019YFA0705000]
- National Natural Science Foundation of China [11734009, 11874060, 11874154, 11933005, 12004116, 61991444]
- Shanghai Municipal Science and Technology Major Project [2019SHZDZX01]
This study demonstrates the monolithic integration of an electrooptically tunable microring laser on a lithium niobate on insulator (LNOI) platform. The device fabrication involves photolithography assisted chemo-mechanical etching, and the microring resonator exhibits a high quality factor of 1.54 x 10(5) at a wavelength of 1542 nm. Lasing action is observed at a pump power threshold below 3.5 mW, with the laser wavelength tunable through varying the electric voltage on microelectrodes.
We demonstrate monolithic integration of an electrooptically (EO) tunable microring laser on lithium niobate on insulator (LNOI) platform. The device is fabricated by photolithography assisted chemo-mechanical etching, and the pump laser is evanescently coupled into the erbium (Er3+)-doped lithium niobate (LN) microring laser using an undoped LN waveguide mounted above the microring. The quality factor of the LN microring resonator is measured as high as 1.54 x 10(5) at the wavelength of 1542 nm. Lasing action can be observed at a pump power threshold below 3.5 mW using a 980 nm continuous-wave pump laser. Finally, tuning of the laser wavelength is achieved by varying the electric voltage on the microelectrodes fabricated in the vicinity of a microring waveguide, showing an EO coefficient of 0.33 pm/V. (C) 2021 Optical Society of America
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