Characteristics of dielectric-band modified single-cell photonic crystal lasers

You Shin No, Ho Seok Ee, Soon Hong Kwon, Sun Kyung Kim, Min Kyo Seo, Ju Hyung Kang, Yong Hee Lee, Hong Kyu Park

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

We demonstrate new types of dielectric-band photonic crystal lasers in a two-dimensional modified single-cell cavity with enlarged air holes. Finite-difference time-domain simulations performed in real and Fourier spaces show that the dielectric-band cavity modes originating from the first band edge point in the dielectric band have mode patterns that are distinguishable from conventional air-band cavity modes. In our experiment, the observed multimode lasing peaks are identified as the hexapole and the monopole dielectric-band cavity modes through the spectral positions and mode images. The thresholds of these lasers are measured as ∼340 μW and ∼450 μW, respectively, at room temperature. In addition, using the simulation based on the actual fabricated structures, quality factors and mode volumes are computed as 4900 and 1.09 (λ/n)3 for the hexapole mode, and 4300 and 2.27 (λ/n)3 for the monopole mode, respectively.

Original languageEnglish
Pages (from-to)1679-1690
Number of pages12
JournalOptics Express
Volume17
Issue number3
DOIs
Publication statusPublished - 2009 Feb 2

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photonics
cells
crystals
lasers
cavities
monopoles
air
lasing
Q factors
simulation
thresholds
room temperature

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

No, Y. S., Ee, H. S., Kwon, S. H., Kim, S. K., Seo, M. K., Kang, J. H., ... Park, H. K. (2009). Characteristics of dielectric-band modified single-cell photonic crystal lasers. Optics Express, 17(3), 1679-1690. https://doi.org/10.1364/OE.17.001679

Characteristics of dielectric-band modified single-cell photonic crystal lasers. / No, You Shin; Ee, Ho Seok; Kwon, Soon Hong; Kim, Sun Kyung; Seo, Min Kyo; Kang, Ju Hyung; Lee, Yong Hee; Park, Hong Kyu.

In: Optics Express, Vol. 17, No. 3, 02.02.2009, p. 1679-1690.

Research output: Contribution to journalArticle

No, YS, Ee, HS, Kwon, SH, Kim, SK, Seo, MK, Kang, JH, Lee, YH & Park, HK 2009, 'Characteristics of dielectric-band modified single-cell photonic crystal lasers', Optics Express, vol. 17, no. 3, pp. 1679-1690. https://doi.org/10.1364/OE.17.001679
No YS, Ee HS, Kwon SH, Kim SK, Seo MK, Kang JH et al. Characteristics of dielectric-band modified single-cell photonic crystal lasers. Optics Express. 2009 Feb 2;17(3):1679-1690. https://doi.org/10.1364/OE.17.001679
No, You Shin ; Ee, Ho Seok ; Kwon, Soon Hong ; Kim, Sun Kyung ; Seo, Min Kyo ; Kang, Ju Hyung ; Lee, Yong Hee ; Park, Hong Kyu. / Characteristics of dielectric-band modified single-cell photonic crystal lasers. In: Optics Express. 2009 ; Vol. 17, No. 3. pp. 1679-1690.
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