Smallest possible electromagnetic mode volume in a dielectric cavity

R. Coccioli, M. Boroditsky, K. W. Kim, Y. Rahmat-Samii, E. Yablonovitch

Research output: Contribution to journalArticlepeer-review

182 Scopus citations

Abstract

In photonic crystals, electromagnetic waves can be confined in all three dimensions leading to very small mode volumes. A computational search has been made for the smallest electromagnetic mode volume which occurs in two-dimensional, dielectric photonic crystals slabs. The smallest mode volume found was V = 2(A/2/;)3, where n is the refractive index. This small mode volume can lead to significant enhancement of spontaneous emission rates in semiconductor nano-cavities due to the Purcell effect.

Original languageEnglish
Pages (from-to)391-396
Number of pages6
JournalIEE Proceedings: Optoelectronics
Volume145
Issue number6
DOIs
StatePublished - 1998

Keywords

  • Electromagnetic waves
  • Mode valions
  • Photonic crystals. Spontaneous emission
  • Piircell effect

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