Scholarlink

<p>The Faraday effect (FE) is commonly attributed to the electrical component of optical radiation. Recently, we reported on an inverse-FE (IFE) that emerges from the Zeeman energy arising from the optical magnetic field. Here, we show that the magnetic component of light reproduces additional signatures observed experimentally in the IFE. Consequently, we show that the magnetic component of light also contributes to the reciprocal, direct FE. Calculating the Verdet constant for the well-studied Terbium-Gallium-Garnet, we find that it accounts for <InlineEquation ID="IEq1"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="41598_2025_24492_Article_IEq1.gif" Format="GIF" Height="16" Rendition="HTML" Resolution="72" Type="Linedraw" Width="49" /> </InlineMediaObject> <EquationSource Format="TEX">\(\sim 17\%\)</EquationSource> </InlineEquation> of the measured value at 800&#xa0;mm. The Verdet constants derived for the FE and IFE are found to be different, consistent with the breakdown of reciprocity between the two effects in the nonequilibrium ultrafast timescales as reported previously. Our findings highlight the role of the optical magnetic field in the interaction between light and spins, in addition to the primary effects that stem from the electrical field.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Faraday effects emerging from the optical magnetic field

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年11月19日

查看全文
  • Benjamin Assouline,
  • Amir Capua

摘要

The Faraday effect (FE) is commonly attributed to the electrical component of optical radiation. Recently, we reported on an inverse-FE (IFE) that emerges from the Zeeman energy arising from the optical magnetic field. Here, we show that the magnetic component of light reproduces additional signatures observed experimentally in the IFE. Consequently, we show that the magnetic component of light also contributes to the reciprocal, direct FE. Calculating the Verdet constant for the well-studied Terbium-Gallium-Garnet, we find that it accounts for \(\sim 17\%\) of the measured value at 800 mm. The Verdet constants derived for the FE and IFE are found to be different, consistent with the breakdown of reciprocity between the two effects in the nonequilibrium ultrafast timescales as reported previously. Our findings highlight the role of the optical magnetic field in the interaction between light and spins, in addition to the primary effects that stem from the electrical field.