Wednesday, December 26 2007 9:26 AM, EST MRV Communications-MRVC wholly-owned subsidiary files for IPO Fly On The Wall "All News " MRV Communications and Source Photonics, Inc. (a wholly-owned subsidiary of MRV, formerly Luminent, Inc. ) announced that a registration statement has been filed with the SEC for the proposed underwritten initial public offering of the Class A common stock of Source Photonics. The number of shares to be offered and the price range of the proposed offering have not yet been determined.