<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi mathvariant="script">PT</mml:mi></mml:math>-Symmetric Feedback Induced Linewidth Narrowing

Yuanjiang Tang(Tsinghua University), Yong‐Chun Liu(Songshan Lake Materials Laboratory), Chao Liang(Tsinghua University), An‐Ning Xu(Tsinghua University), Xin Wen(Beijing University of Posts and Telecommunications), Weipeng Li(Tsinghua University)
Physical Review Letters
May 12, 2023
Cited by 27


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