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A simple and low cost remote up conversion (RUC) scheme is proposed using only one optical modulator. The baseband (BB) data and local oscillator (LO) signal are electrically coupled to drive a commercial intense modulator (IM). The laser source and IM can be shared by both BB data and LO signal. With less than 0.3dB power penalty, the 2.5Gbps on-off keying (OOK) data over 50km single mode fiber (SMF)...
By transporting the I- and Q-baseband QAM components using two inexpensive 460 nm and 520 nm wavelength LEDs, 100 Mbit/s transmission over 100 m large core SI PMMA POF has been realized.
Advanced optically-emulated x-QAM techniques and the modal dispersion-robust radio-over-fiber OFM technique enable the delivery of high-capacity data via a single multimode (silica or polymer) optical fiber in-building network to wired as well as wireless terminals.
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