We report GHz modulation of bipolar cascade VCSELs. The VCSELs incorporate a reverse-biased tunnel junction and p-doped oxide aperture for each triple-quantum well active region. These devices exhibit frequency responses greater than 2 GHz.
© 2006 Optical Society of America
W. J. Siskaninetz, J. E. Ehret, J. A. Lott, and T. R. Nelson, Jr., "GHz Operation of Bipolar Cascade VCSELs," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2006), paper CWG1.
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