Indium Antimonide, constraints on practicality as a magneto-optical platform for topological surface plasmon polaritons
Samaneh Pakniyat, Yi Liang, Yinxiao Xiang, Cheng Cen, Jun Chen, and, George W. Hanson
TL;DR
This paper critically assesses indium antimonide (InSb) as a magneto-optical platform for topological surface plasmon polaritons, highlighting its limited practical viability under specific conditions.
Contribution
It provides a detailed evaluation of InSb's suitability for topological SPPs, revealing constraints that limit its practical application.
Findings
InSb supports topological SPPs only under narrow conditions.
Practical use of InSb as a magneto-optical platform is limited.
Constraints challenge the feasibility of InSb-based topological plasmonics.
Abstract
Magnetic-field-biased indium antimonide (InSb) is one of the most widely-discussed materials for supporting nonreciprocal surface plasmon polaritons (SPPs), which have recently been shown to be topological. In this work, we provide a critical assessment of InSb as a magneto-optical SPP platform, and show that it is only viable under a narrow set of conditions.
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