Single transverse mode control of VCSEL by photonic crystal and trench patterning

Mohd Sharizal Alias, Sahbudin Shaari, Paul O. Leisher, Kent D. Choquette

    Research output: Contribution to journalArticle

    17 Citations (Scopus)

    Abstract

    Single transverse mode control is achieved for multimode GaAs-based VCSEL by utilizing photonic crystal design and etched trench structure. Theoretical analysis is initially performed for photonic crystal design with various lattice constants and air holes diameter. The fabricated photonic crystal VCSEL with etched trench structure exhibits single mode output power of 0.7 mW, threshold current of 3.5 mA, slope efficiency of 0.10 W/A, and continuous single mode output spectrum throughout a wide operating current range. Comparison of typical oxide VCSEL, trench oxide VCSEL, and photonic crystal oxide VCSEL employing trench structure is presented. By combining photonic crystal and trench structure, single transverse mode operation of photonic crystal VCSEL can be much more strictly controlled.

    Original languageEnglish
    Pages (from-to)38-46
    Number of pages9
    JournalPhotonics and Nanostructures - Fundamentals and Applications
    Volume8
    Issue number1
    DOIs
    Publication statusPublished - Jan 2010

    Fingerprint

    Surface emitting lasers
    Laser modes
    Photonic crystals
    photonics
    Oxides
    crystals
    oxides
    output
    threshold currents
    Lattice constants
    slopes
    crystal structure
    air
    Air

    Keywords

    • GaAs
    • Photonic crystal
    • Semiconductor laser
    • VCSEL

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering
    • Hardware and Architecture
    • Condensed Matter Physics
    • Atomic and Molecular Physics, and Optics
    • Electronic, Optical and Magnetic Materials

    Cite this

    Single transverse mode control of VCSEL by photonic crystal and trench patterning. / Alias, Mohd Sharizal; Shaari, Sahbudin; Leisher, Paul O.; Choquette, Kent D.

    In: Photonics and Nanostructures - Fundamentals and Applications, Vol. 8, No. 1, 01.2010, p. 38-46.

    Research output: Contribution to journalArticle

    Alias, Mohd Sharizal ; Shaari, Sahbudin ; Leisher, Paul O. ; Choquette, Kent D. / Single transverse mode control of VCSEL by photonic crystal and trench patterning. In: Photonics and Nanostructures - Fundamentals and Applications. 2010 ; Vol. 8, No. 1. pp. 38-46.
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