Low-threshold photonic-band-edge laser using iron-nail-shaped rod array

Jae Hyuck Choi; You Shin No; Min Soo Hwang; Soon Yong Kwon; Kwang Yong Jeong; Soon Hong Kwon; Jin Kyu Yang; Hong Kyu Park

doi:10.1063/1.4867886

Low-threshold photonic-band-edge laser using iron-nail-shaped rod array

Jae Hyuck Choi, You Shin No, Min Soo Hwang, Soon Yong Kwon, Kwang Yong Jeong, Soon Hong Kwon, Jin Kyu Yang, Hong Kyu Park

Department of Physics

Research output: Contribution to journal › Article

12 Citations (Scopus)

Abstract

We report the experimental demonstration of an optically pumped rod-type photonic-crystal band-edge laser. The structure consists of a 20 × 20 square lattice array of InGaAsP iron-nail-shaped rods. A single-mode lasing action is observed with a low threshold of ∼90 μW and a peak wavelength of 1451.5 nm at room temperature. Measurements of the polarization-resolved mode images and lasing wavelengths agree well with numerical simulations, which confirm that the observed lasing mode originates from the first Γ-point transverse-electric-like band-edge mode. We believe that this low-threshold band-edge laser will be useful for the practical implementation of nanolasers.

Original language	English
Article number	091120
Journal	Applied Physics Letters
Volume	104
Issue number	9
DOIs	https://doi.org/10.1063/1.4867886
Publication status	Published - 2014 Mar 17

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ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

Cite this

Choi, J. H., No, Y. S., Hwang, M. S., Kwon, S. Y., Jeong, K. Y., Kwon, S. H., ... Park, H. K. (2014). Low-threshold photonic-band-edge laser using iron-nail-shaped rod array. Applied Physics Letters, 104(9), [091120]. https://doi.org/10.1063/1.4867886

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abstract = "We report the experimental demonstration of an optically pumped rod-type photonic-crystal band-edge laser. The structure consists of a 20 × 20 square lattice array of InGaAsP iron-nail-shaped rods. A single-mode lasing action is observed with a low threshold of ∼90 μW and a peak wavelength of 1451.5 nm at room temperature. Measurements of the polarization-resolved mode images and lasing wavelengths agree well with numerical simulations, which confirm that the observed lasing mode originates from the first Γ-point transverse-electric-like band-edge mode. We believe that this low-threshold band-edge laser will be useful for the practical implementation of nanolasers.",

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AU - Yang, Jin Kyu

AU - Park, Hong Kyu

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10.1063/1.4867886