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4 channel DWDM 30 channel 64-QAM Digital CATV
Fiber Distribution System
Demonstrates a basic 4 Channel DWDM system spaced on a 50 GHz ITU spacing and transmitting thirty 64-QAM digital channels. Procedure given for setting receiver LO for an off-center optical carrier.
» Keywords: LO Phase, 64-QAM, Multiplexer, DWDM, Demultiplexer
» Available in: Optical System Demos
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Bidirectional Radio over Fiber Systems (UMTS)
Impact of Rayleigh back-scattering and of modulator nonlinearity are investigated for a Radio-over-Fiber system.
» Keywords: CSO, Rayleigh, WiFi, RoF, Wireless, UMTS, WiMax, CTB, Radio-over-Fiber, CDMA
» Available in: Optical System Demos
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Multiband Carrierless Amplitude Phase (CAP) Modulation for High Speed Access
Multiband Carrierless Amplitude Phase modulation (MultiCAP) based transmission.
» Keywords: CAP, Multiband, DSP, CAT, Access, Multicap, PAM
» Available in: Optical System Demos
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Upstream DWDM System using Frequency Stacking
Increases the number of upstream cable access digital DOCSIS channels on a fiber by using RF frequency stacking of 5 - 42 MHz return channels and DWDM.
» Keywords: Frequency Stacking, Return Channel, Upstream, DWDM, DOCSIS
» Available in: Optical System Demos
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Two Wavelength DWDM Narrowcast Digital System
with Dropped Channel Receiver
Shows the RF channel cross-talk due to nonlinear fiber XPM and stimulated Raman Scattering in a 2 channel DWM system
» Keywords: Raman, XPM, Cross Phase Modulation, Crosstalk, SRS, Non Linear Fiber
» Available in: Optical System Demos