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Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
Published on: March 20, 2017
Real-time holographic frequency-division demultiplexing: theoretical aspects
Abstract:
The multiplicative and low-band-pass filtering characteristics of real-time holograms in photorefractive media are proposed for use for frequency-division demultiplexing. Several aspects of the frequencydivision demultiplexer are discussed and derived. These aspects are baseband demodulation of optical images, demultiplexing limits, heterodyne cross talk, and nonlinear cross-talk effects that are due to second- and high-order nonlinearities. The nonlinear cross talk is calculated in two different approaches. Both approaches indicate that nonlinear effects enhance the performance of this demultiplexer.
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