Title :
Adding functionalities to an arrayed waveguide grating
Author :
Cincotti, Gabriella
Author_Institution :
Appl. Electron. Dept., Univ. Roma Tre, Rome, Italy
Abstract :
Different functionalities for an arrayed waveguide grating (AWG) configuration are described, showing that this widely used device can be designed not only to frequency multiplex/demultiplex optical channels, but also to implement the discrete Fourier transform (DFT) and the discrete fractional Fourier transform (DFrFT) of a signal, in all-optical orthogonal frequency division multiplexing (OFDM) systems. In addition 1XN and NxN phased array switches architectures are presented, as well as a new configuration to perform polarization diversity multiplexing. Finally, a general approach is discussed to design optical modulators for any modulation format, using either phase modulators (PM) or electro-absorption modulators (EAM).
Keywords :
OFDM modulation; arrayed waveguide gratings; discrete Fourier transforms; electro-optical modulation; electroabsorption; electromagnetic wave polarisation; phase modulation; telecommunication channels; AWG configuration; DFT; DFrFT; EAM; all-optical OFDM systems; all-optical orthogonal frequency division multiplexing systems; arrayed waveguide grating; discrete fractional Fourier transform; electroabsorption modulators; frequency multiplex/demultiplex optical channels; modulation format; phase modulators; phased array switches architectures; polarization diversity multiplexing; Arrayed waveguide gratings; Modulation; Optical fibers; Optical filters; Optical polarization; Optical switches; Planar lightwave circuits; arrayed waveguide grating; discrete Fourier transform; fractional Fourier transform; orthogonal frequency division multiplexing; phase shift keying modulator; phased array switch; polarization diversity multiplexer; quadrature amplitude modulator;
Conference_Titel :
Electrical & Electronics Engineers in Israel (IEEEI), 2012 IEEE 27th Convention of
Conference_Location :
Eilat
Print_ISBN :
978-1-4673-4682-5
DOI :
10.1109/EEEI.2012.6377051
