N. Hatori, T. Mukaihara, N. Ohnoki, A. Mizutani, F. Koyama, and K. Iga, "N-type modulation-doped strained inCaAs/ AIGaAs quantum well lasers grown by metal organic chemical vapor deposition,"
in Conference on Lasers and Electro-Optics, J. Bowers, D. Miller, D. Scifres, and A. Weiner, eds.,
Vol. 9 of OSA Technical Digest
(Optical Society of America, 1996), paper JThC5.