dc.contributor.authorWang, L. J.
dc.contributor.authorYang, Y.
dc.contributor.authorZeng, Y. G.
dc.contributor.authorWang, L. J.
dc.contributor.authorTong, Cunzhu
dc.contributor.authorShan, X. N.
dc.contributor.authorZhao, H. X.
dc.contributor.authorWang, R.
dc.contributor.authorYoon, Soon Fatt
dc.identifier.citationWang, L. J., Yang, Y., Zeng, Y. G., Wang, L. J., Tong, C., Shan, X. N., et al. (2012). High power single-sided Bragg reflection waveguide lasers with dual-lobed far field. Applied physics B, 107(3), 809-812.en_US
dc.description.abstractWe report on 980-nm InGaAs/GaAs lasers with dual-lobed far field based on a single-sided Bragg reflection waveguide (BRW). The high slope efficiency ∼0.92 W/A and a continuous wave (CW) output power >1.5 W (3.2 W pulsed) have been obtained. The threshold current density is as low as 253 A/cm2 for a 1.5-mm-long device and the transparency current density is only 140 A/cm2. The further analysis shows the intrinsic reason for the single-lobed or the dual-lobed far-field distribution is determined by the mode shape in the cavity, not the single-sided or dual-sided BRW structure. The condition to achieve a narrow single-lobed far-field distribution is discussed.en_US
dc.relation.ispartofseriesApplied physics Ben_US
dc.rights© 2012 Springer-Verlag.en_US
dc.subjectDRNTU::Engineering::Electrical and electronic engineering
dc.titleHigh power single-sided Bragg reflection waveguide lasers with dual-lobed far fielden_US
dc.typeJournal Article
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen_US

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