Characterization of single-wavelength optically pumped GaInAsP/InP vertical-cavity surface-emitting lasers with dielectric mirrors

被引：4

作者：

Kinoshita, J ^{[1
]}

Miyamoto, T ^{[1
]}

Onishi, Y ^{[1
]}

Koyama, F ^{[1
]}

机构：

[1] Tokyo Inst Technol, Microsyst Res Ctr, P&I Lab, Midori Ku, Yokohama, Kanagawa 2268503, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS | 2004年 / 43卷 / 8B期

关键词：

long-wavelength VCSEL; InP system; dielectric DBR; optical pumping; tunable laser; polarization characteristic;

D O I：

10.1143/JJAP.43.5928

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In this study, the lasing characteristics of optically pumped vertical-cavity surface-emitting lasers (VCSELs) with dielectric mirrors, which are a fundamental structure of our proposed tunable VCSELs, were investigated. Firstly, the design and fabrication of single-wavelength GaInAsP/InP VCSELs without a tuning mechanism are described. The GaInAsP nine-quantum-well QW) active region and pump light-absorption region were grown on an InP substrate by metal-organic chemical vapor deposition (MOCVD). SiO2/TiO2 or a-Si/SiO2 dielectric distributed Bragg reflectors (DBRs) were deposited on both sides of a thin cavity formed by etching of the InP substrate. Continuous-wave operation was observed at room temperature. The lowest threshold pump power was 1.8 mW for a 0.98 mum pump light, which corresponds to an equivalent threshold current density of 710 A/cm(2). The thermal and polarization characteristics of the fabricated devices are also discussed.

引用

页码：5928 / 5932

页数：5

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