Polychromix Raises Series D

Polychromix Inc., a Wilmington, Mass.-based developer of modular optical subsystem solutions for optical networking and molecular spectroscopy, has raised around $2.9 million in Series D funding, according to a regulatory filing. Company shareholders include Lighthouse Capital Partners, Navigator Technology Ventures, Siemens Venture Capital, Seed Capital Partners and Vanguard Ventures. www.polychromix.com