1. for a review on direct current modulation of semiconductor injection lasers, see: K. Y. Lau and A. Yariv, in Semiconductors and Semimetals, edited by W. T. Tsang (Academic, Orlando, FL, 1985), Vol. 22,Part B, p.71, and D. Bimberg, K. Ketterer, E. H. Böttcher, and E. Schöll, Int. J. Electronics 60, 23 (1986).
2. for a review on mode-locking of semiconductor lasers, see: J. P. van der Ziel, in Semiconductors and Semimetals, edited by W. T, Tsang (Academic, Orlando, FL, 1985), Vol. 22, Part B, p.1.
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