Square-lattice photonic band-gap single-cell laser operating in the lowest-order whispering gallery mode

Han Youl Ryu, Se Heon Kim, Hong Kyu Park, Jeong Ki Hwang, Yong Hee Lee, Jeong Soo Kim

Research output: Contribution to journalArticle

148 Citations (Scopus)

Abstract

Square-lattice photonic band-gap lasers are realized at room temperature from single-cell photonic crystal slab microcavities fabricated in InGaAsP quantum-well materials emitting at 1.5 μm. This single-cell photonic band-gap laser operates in a class of two-dimensional mode to be classified as the smallest possible whispering gallery mode with genuine energy null at the center. The low-loss nondegenerate mode with modal volume of 0.1 (λ/2)3 demonstrates a spectrometer-limited below-threshold quality factor >2000 and a theoretical quality factor >10000. The other class of photonic crystal lasers is also observed outside the photonic band gap of the square lattice, operating in the dipole mode.

Original languageEnglish
Pages (from-to)3883-3885
Number of pages3
JournalApplied Physics Letters
Volume80
Issue number21
DOIs
Publication statusPublished - 2002 May 27
Externally publishedYes

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whispering gallery modes
photonics
cells
lasers
Q factors
crystals
slabs
quantum wells
spectrometers
dipoles
thresholds
room temperature
energy

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Square-lattice photonic band-gap single-cell laser operating in the lowest-order whispering gallery mode. / Ryu, Han Youl; Kim, Se Heon; Park, Hong Kyu; Hwang, Jeong Ki; Lee, Yong Hee; Kim, Jeong Soo.

In: Applied Physics Letters, Vol. 80, No. 21, 27.05.2002, p. 3883-3885.

Research output: Contribution to journalArticle

Ryu, Han Youl ; Kim, Se Heon ; Park, Hong Kyu ; Hwang, Jeong Ki ; Lee, Yong Hee ; Kim, Jeong Soo. / Square-lattice photonic band-gap single-cell laser operating in the lowest-order whispering gallery mode. In: Applied Physics Letters. 2002 ; Vol. 80, No. 21. pp. 3883-3885.
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