Lambda shifted photonic crystal cavity laser

Publication: Research - peer-reviewJournal article – Annual report year: 2010

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We propose and demonstrate an alternative type of photonic crystal laser design that shifts all the holes in the lattice by a fixed fraction of the targeted emission wavelength. The structures are realized in InGaAsP =1.15 with InGaAsP quantum wells =1.52 as gain material. Cavities with shifts of 1/4 and 3/4 of the emission wavelength were fabricated and characterized. Measurements show threshold behavior for several modes at room temperature. Both structures are simulated using a finite difference time domain method to identify the resonances in the spectra and calculate the mode volume of the dominant mode.
Original languageEnglish
JournalApplied Physics Letters
Volume97
Issue number19
Pages (from-to)191109
ISSN0003-6951
DOIs
StatePublished - 2010
Peer-reviewedYes
CitationsWeb of Science® Times Cited: 1

Keywords

  • III-V semiconductors, laser modes, semiconductor quantum wells, gallium arsenide, laser cavity resonators, gallium compounds, finite difference time-domain analysis, quantum well lasers, photonic crystals, indium compounds
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