Coherent Light Sources at the Nanoscale

Ankun Yang, Danqing Wang, Weijia Wang, Teri W. Odom

Research output: Contribution to journalReview article

12 Scopus citations

Abstract

This review focuses on coherent light sources at the nanoscale, and specifically on lasers exploiting plasmonic cavities that can beat the diffraction limit of light. Conventional lasers exhibit coherent, intense, and directional emission with cavity sizes much larger than their operating wavelength. Plasmon lasers show ultrasmall mode confinement, support strong lightmatter interactions, and represent a class of devices with extremely small sizes. We discuss the differences between plasmon lasers and traditional ones, and we highlight advances in directionality and tunability through innovative cavity designs and new materials. Challenges and future prospects are also discussed.

Original languageEnglish (US)
Pages (from-to)83-99
Number of pages17
JournalAnnual Review of Physical Chemistry
Volume68
DOIs
StatePublished - May 5 2017

Keywords

  • Directionality
  • Laser
  • Plasmon nanolaser
  • Tunability

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

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