Optical Review

, Volume 20, Issue 4, pp 293–295 | Cite as

Analysis of resonator modes in two-dimensional laser cavities containing a left-handed material

  • Takehiro Fukushima
  • Koichiro Sakaguchi
  • Masanori Hangyo
  • Yasunori Tokuda
Letter
  • 75 Downloads

Abstract

Resonator modes in two-dimensional laser cavities with curved end mirrors filled with a left-handed material were investigated numerically using the extended Fox-Li mode calculation method. The results reveal that the phase profile on the curved end mirrors of a left-handed cavity is inverted relative to that of a cavity filled with a right-handed material. Furthermore, we show that the phase on the end mirrors takes discrete values of zero and ±π under stable resonator conditions, while it varies continuously under unstable resonator conditions. The differences between stable and unstable resonators significantly alter the far-field patterns of the lowest-loss modes.

Keywords

two-dimensional laser cavity resonator modes left-handed material 

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Copyright information

© The Optical Society of Japan 2013

Authors and Affiliations

  • Takehiro Fukushima
    • 1
  • Koichiro Sakaguchi
    • 1
  • Masanori Hangyo
    • 2
  • Yasunori Tokuda
    • 1
  1. 1.Department of Information and Communication EngineeringOkayama Prefectural UniversitySoja, OkayamaJapan
  2. 2.Institute of Laser EngineeringOsaka UniversitySuita, OsakaJapan

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