Recent advances in laser self-injection locking to high-Q microresonators
Nikita M. Kondratiev1(), Valery E. Lobanov2, Artem E. Shitikov2, Ramzil R. Galiev1, Dmitry A. Chermoshentsev2,3,4, Nikita Yu. Dmitriev2, Andrey N. Danilin2,5, Evgeny A. Lonshakov1, Kirill N. Min’kov2, Daria M. Sokol2,4, Steevy J. Cordette1, Yi-Han Luo6,7, Wei Liang8, Junqiu Liu6,7,9(), Igor A. Bilenko2,5
1. Directed Energy Research Centre, Technology Innovation Institute, Abu Dhabi, United Arab Emirates 2. Russian Quantum Center, Moscow, Russia 3. Skolkovo Institute of Science and Technology, Skolkovo, Russia 4. Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region, Russia 5. Faculty of Physics, Lomonosov Moscow State University, Moscow, Russia 6. Shenzhen Institute for Quantum Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China 7. International Quantum Academy, Shenzhen 518048, China 8. Key Laboratory of Nanodevices and Applications, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China 9. Hefei National Laboratory, University of Science and Technology of China, Hefei 230026, China
The stabilization and manipulation of laser frequency by means of an external cavity are nearly ubiquitously used in fundamental research and laser applications. While most of the laser light transmits through the cavity, in the presence of some back-scattered light from the cavity to the laser, the self-injection locking effect can take place, which locks the laser emission frequency to the cavity mode of similar frequency. The self-injection locking leads to dramatic reduction of laser linewidth and noise. Using this approach, a common semiconductor laser locked to an ultrahigh-Q microresonator can obtain sub-Hertz linewidth, on par with state-of-the-art fiber lasers. Therefore it paves the way to manufacture high-performance semiconductor lasers with reduced footprint and cost. Moreover, with high laser power, the optical nonlinearity of the microresonator drastically changes the laser dynamics, offering routes for simultaneous pulse and frequency comb generation in the same microresonator. Particularly, integrated photonics technology, enabling components fabricated via semiconductor CMOS process, has brought increasing and extending interest to laser manufacturing using this method. In this article, we present a comprehensive tutorial on analytical and numerical methods of laser self-injection locking, as well a review of most recent theoretical and experimental achievements.
Corresponding Author(s):
Nikita M. Kondratiev,Junqiu Liu
引用本文:
. [J]. Frontiers of Physics, 2023, 18(2): 21305.
Nikita M. Kondratiev, Valery E. Lobanov, Artem E. Shitikov, Ramzil R. Galiev, Dmitry A. Chermoshentsev, Nikita Yu. Dmitriev, Andrey N. Danilin, Evgeny A. Lonshakov, Kirill N. Min’kov, Daria M. Sokol, Steevy J. Cordette, Yi-Han Luo, Wei Liang, Junqiu Liu, Igor A. Bilenko. Recent advances in laser self-injection locking to high-Q microresonators. Front. Phys. , 2023, 18(2): 21305.
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