图1 腔受激光折变散射示意图
图2 腔动态非线性模式耦合过程与纵模记忆特性
本论文由北京邮电大学等多家机构合作完成,研究团队博士生刘京亮为第一作者,北京邮电大学信息光子学与光通信国家重点实验室为第一单位。
高Q值光学微腔是近几年光子应用研究领域的热点,其中,晶体微腔已实现超窄线宽激光器[2]、高集成射频源[3]和集成固态光陀螺[4]等高性能光电器件的商业化应用,基于高Q微腔的孤子产生[5,6]更是近几年研究的热点。徐坤教授研究团队致力于高Q微腔的科研与应用研究,团队攻克了超高Q值晶体微腔的制备、耦合和测试等多项关键技术,并已对微腔孤子态调控展开多项前沿研究。
注: Physical Review Letters(PRL)创刊于1958年,是世界上首屈一指的物理期刊,为推进和传播物理学知识做出了巨大贡献。
参考文献:
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[2]Ilchenko, V. S., E. Dale, W. Liang, J. Byrd, D. Eliyahu, A. A. Savchenkov, A. B. Matsko, D. Seidel, and L. Maleki. "Compact tunable kHz-linewidth semiconductor laser stabilized with a whispering-gallery mode microresonator." In Laser Resonators and Beam Control XIII, vol. 7913, p. 79131G. International Society for Optics and Photonics, 2011.
[3]Maleki, Lute. "The optoelectronic oscillator." Nature Photonics 5, no. 12 (2011): 728-730.
[4]Liang, Wei, Vladimir S. Ilchenko, Anatoliy A. Savchenkov, Elijah Dale, Danny Eliyahu, Andrey B. Matsko, and Lute Maleki. "Resonant microphotonic gyroscope." Optica 4, no. 1 (2017): 114-117.
[5] Herr, Tobias, Victor Brasch, John D. Jost, Christine Y. Wang, Nikita M. Kondratiev, Michael L. Gorodetsky, and Tobias J. Kippenberg. "Temporal solitons in optical microresonators." Nature Photonics 8, no. 2 (2014): 145-152.
[6]Brasch, Victor, Michael Geiselmann, Tobias Herr, Grigoriy Lihachev, Martin HP Pfeiffer, Michael L. Gorodetsky, and Tobias J. Kippenberg. "Photonic chip–based optical frequency comb using soliton Cherenkov radiation." Science 351, no. 6271 (2016): 357-360.