Far- and near-field investigations on the lasing modes in two-dimensional photonic crystal slab lasers

We present experimental investigations on the lasing modes in two-dimensional (2-D) hexagonal cavities defined by photonic crystals on slab waveguide structures. The far-field emission patterns and near-field intensity distributions of the lasing modes are analyzed in polarization-resolved 2-D angular distribution measurements and spectrally resolved near-field scanning optical microscopy. The far- and near-field analyses result in identification of the various lasing modes and their subsequent classification into one- and two-dimensional modes. In the one-dimensional modes oscillating between two parallel boundaries of the cavities, longitudinal and transverse modes are identified and found to have transverse-electric polarization. In the two-dimensional modes oscillating two-dimensionally in the cavities, various modes including whispering-gallery-like modes are observed and found to exhibit various polarization states.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2002-07
Language
ENG
Keywords

BAND-GAP; MU-M; DEFECT; LIGHT; MICROCAVITIES; DIFFRACTION; EMISSION

Citation

IEEE JOURNAL OF QUANTUM ELECTRONICS, v.38, no.7, pp.857 - 866

ISSN
0018-9197
URI
http://hdl.handle.net/10203/19436
Appears in Collection
PH-Journal Papers(저널논문)
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