BILLERICA, Mass., April 6 -- Continuum Photonics Inc., a developer of high-performance optical switches for the optical automation systems and telecommunications markets, announced today it has closed an additional round of more than $17.5 million in its Series C financing. A new investor, JK&B Capital, led the oversubscribed round. New investor Boston Millennia Partners also participated, along with prior investors Prism Venture Partners, Flagship Ventures, Harris & Harris Group, Gainesborough LLC and private individuals. Al DaValle, a partner with JK&B Capital, has joined Continuum's board...Read full articleRelated content from Photonics MediaArticlesGaN-Based LEDs Achieve High-Frequency Visible Light CommunicationsAs the large-scale, commercial use of 5G networks has grown, so has the need for broader bandwidth to accommodate high-speed communications. 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