# Sub-Hertz frequency stabilization of 1. <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" id="d1e495" altimg="si6.svg"> <mml:mrow> <mml:mn>55</mml:mn> <mml:mspace width="1em" class="nbsp"/> <mml:mi mathvariant="normal">μ</mml:mi> <mml:mi mathvariant="normal">m</mml:mi> </mml:mrow> </mml:math> laser on Higher order HG <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" id="d1e506" altimg="si7.svg"> <mml:msub> <mml:mrow/> <mml:mrow>

> Research article (Optics Communications, 2020) · cited 17× · AI/ML

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