Ottawa-based OneChip Photonics Inc, a developer of optical transceivers based on monolithic photonic integrated circuits for broadband applications, has raised $17 million. The series C venture financing brings its venture backing to date to $47 million. Northwater Capital Management joins existing investors — BDC Venture Capital, GrowthWorks Capital, DCM and Morgenthaler Ventures — in the latest round. With more than 80 employees in Ottawa, OneChip also has R&D and manufacturing facilities in China....