[IEEE OFC/NFOEC 2007 - 2007 Conference on Optical Fiber Communication and the National Fiber Optic Engineers Conference - Anaheim, CA, USA (2007.03.25-2007.03.29)] OFC/NFOEC 2007 - 2007 Conference on Optical Fiber Communication and the National Fiber Optic Engineers Conference - Integrated photonic decoder with complementary code processing and balanced detection for two-dimensional OCDMA