E. C. Vail, M. S. Wu, G. Li, W. Yuen, and C. J. Chang-Hasnain, Ginzton Laboratory, Stanford, Calif.
Much as the vacuum tube and radio transformed communications, optical devices and fiber optic communications seem destined to change our lives. Wavelength division multiplexing (WDM) will be an important tool in this transformation. The extent that it will be implemented strongly depends on the availability of low-cost, wavelength-engineered optoelectronic devices and loosening of stringent WDM network requirements.
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