Abstract
Highly dense future WDM networks require a large number of optical reference frequencies. Pulsed lightwave sweep frequency signals have been generated using a fiber loop with an LD or erbium-doped fiber amplifier (EDFA) and an acousto-optical deflector (AOD).1-2 However, the previous reports generated an insufficient number of frequencies due to incomplete equalization of the loop loss by the amplifier.
© 1994 Optical Society of America
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