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dc.contributor.authorChong, Yi Dongen
dc.contributor.authorHarari, Galen
dc.contributor.authorBandres, Miguel A.en
dc.contributor.authorLumer, Yaakoven
dc.contributor.authorRechtsman, Mikael C.en
dc.contributor.authorKhajavikhan, Mercedehen
dc.contributor.authorChristodoulides, Demetrios N.en
dc.contributor.authorSegev, Mordechaien
dc.identifier.citationHarari, G., Bandres, M. A., Lumer, Y., Rechtsman, M. C., Chong, Y. D., Khajavikhan, M., . . . Segev, M. (2018). Topological insulator laser : theory. Science, 359(6381), eaar4003-. doi:10.1126/science.aar4003en
dc.description.abstractTopological insulators are phases of matter characterized by topological edge states that propagate in a unidirectional manner that is robust to imperfections and disorder. These attributes make topological insulator systems ideal candidates for enabling applications in quantum computation and spintronics. We propose a concept that exploits topological effects in a unique way: the topological insulator laser. These are lasers whose lasing mode exhibits topologically protected transport without magnetic fields. The underlying topological properties lead to a highly efficient laser, robust to defects and disorder, with single-mode lasing even at very high gain values. The topological insulator laser alters current understanding of the interplay between disorder and lasing, and at the same time opens exciting possibilities in topological physics, such as topologically protected transport in systems with gain. On the technological side, the topological insulator laser provides a route to arrays of semiconductor lasers that operate as one single-mode high-power laser coupled efficiently into an output port.en
dc.description.sponsorshipMOE (Min. of Education, S’pore)en
dc.format.extent24 p.en
dc.rights© 2017 The Author(s). All rights reserved. This paper was published by American Association for the Advancement of Science (AAAS) in Science and is made available with permission of The Author(s).en
dc.subjectTopological Insulatoren
dc.titleTopological insulator laser : theoryen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Physical and Mathematical Sciencesen
dc.description.versionAccepted versionen
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