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

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.
Authors:
; ; ; ;  [1] ; ;  [2] ;  [3]
  1. Department of Physics, Korea University, Seoul 136-701 (Korea, Republic of)
  2. Department of Optical Engineering, Kongju National University, Cheonan 330-717 (Korea, Republic of)
  3. Department of Physics, Chung-Ang University, Seoul 156-756 (Korea, Republic of)
Publication Date:
OSTI Identifier:
22283287
Resource Type:
Journal Article
Resource Relation:
Journal Name: Applied Physics Letters; Journal Volume: 104; Journal Issue: 9; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; 77 NANOSCIENCE AND NANOTECHNOLOGY; COMPUTERIZED SIMULATION; CRYSTALS; ELECTRONIC STRUCTURE; IRON; NANOSTRUCTURES; OPTICAL PUMPING; POLARIZATION; RODS; SOLID STATE LASERS; TEMPERATURE RANGE 0273-0400 K; TETRAGONAL LATTICES