A method for determining an optimal placement of wavelength converters in an optical network while optimizing bandwidth use in which a... Show moreA method for determining an optimal placement of wavelength converters in an optical network while optimizing bandwidth use in which a skeleton undirected graph of a WDM network is generated, a contraction graph is constructed from the skeleton undirected graph, and a minimum vertex cover of the contraction graph is determined. Sponsorship: Illinois Institute of Technology United States Patent Show less