Long-wavelength VCSELs with InP/air-gap DBRs

Chao-Kun Lin; David P. Bour; Jintian Zhu; William H. Perez; Michael H. Leary; Ashish Tandon; Scott W. Corzine; Michael R. T. Tan

doi:10.1117/12.538327

16 June 2004 Long-wavelength VCSELs with InP/air-gap DBRs

Chao-Kun Lin, David P. Bour, Jintian Zhu, William H. Perez, Michael H. Leary, Ashish Tandon, Scott W. Corzine, Michael R. T. Tan

Author Affiliations +

Proceedings Volume 5364, Vertical-Cavity Surface-Emitting Lasers VIII; (2004) https://doi.org/10.1117/12.538327
Event: Integrated Optoelectronic Devices 2004, 2004, San Jose, CA, United States

Abstract

We demonstrate novel electrically pumped 1300 nm and 1550 nm VCSELs with two InP/air-gap DBRs. The active regions comprise conventional InGaAsP multiple quantum wells. A tunnel junction is placed between the active region and top DBR to convert electrons into holes, thus minimizing the use of p-type material in the structure to reduce the free-carrier loss and achieve current confinement. The whole structure was grown in a single growth run by low pressure MOCVD. For both 1300 and 1550 nm emission wavelengths, air-gap DBR VCSELs exhibit roomtemperature, CW threshold current density as low as 1.1 kA/cm², differential quantum efficiency greater than 30%, and CW operation up to 85°C. The single-mode output power was 1.6 mW from a 1300 nm VCSEL with a 6.3 μm aperture; and 1.1 mW from a 1550 nm VCSEL with a 5.7 μm aperture under room temperature CW operation

Citation Download Citation

Chao-Kun Lin, David P. Bour, Jintian Zhu, William H. Perez, Michael H. Leary, Ashish Tandon, Scott W. Corzine, and Michael R. T. Tan "Long-wavelength VCSELs with InP/air-gap DBRs", Proc. SPIE 5364, Vertical-Cavity Surface-Emitting Lasers VIII, (16 June 2004); https://doi.org/10.1117/12.538327

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