%0 Conference Paper %B International SiGe Technology and Device Meeting %D 2010 %T Monolithic integration of AlGaAs distributed Bragg reflectors on virtual Ge substrates via aspect ratio trapping %A Lin, Yiheng %A Shi, Wei %A Li, Jizhong %A Chang, Ting-Chang %A Park, Ji-Soo %A Hydrick, Jennifer %A Duan, Zigang %A Greenberg, Mark %A Fiorenza, James %A Chrostowski, Lukas %A Xia, Guangrui %U http://www.mina.ubc.ca/files/Abstract ISTDM 2010 Lin_v5.pdf %X We report the first successful monolithic integration of AlGaAs distributed Bragg reflectors (DBR) on virtual Ge substrates via aspect ratio trapping ? the first and crucial step towards the successful integration of VCSELs on Si platforms. The ART-based DBRs have reflectivity spectra comparable to those grown on bulk GaAs substrates. %8 24/5/2010