LOMBARD, Ill., Feb. 25 -- Corona Optical Systems, a provider of parallel optical modules, announced it has raised $7.5 million in its Series B round of funding. Led by Megunticook Management and Sterling Holding Co., the round includes new funding from Corona's previous investors Intel Capital, KB Partners and Venture Investors. Corona will use funds from the investment to accelerate its growth and expand sales. As part of the funding agreement, Megunticook partner James Houghton and Sterling CEO Joe Norwood will join Corona's board of directors. Corona's key technologies are high-speed parallel optoelectronic modules and subsystems for switching and routing equipment. For more information, visit: www.coronasys.com