F. Koyama, K. Y. Liou, A. G. Dentai, R. P. Gnall, G. Raybon, H. M. Presby, and C. A. Burrus, "Monolithic integration of GaInAs/GaInAsP strained quantum well DFB laser, electroabsorption modulator and opticai amplifier by nonpianar MOVPE,"
in Conference on Lasers and Electro-Optics, T. Baer, A. Smirl, J. Bowers, and D. Miller, eds.,
Vol. 8 of OSA Technical Digest
(Optical Society of America, 1994), paper CWJ4.