Theory of wavelength multiplexing with rectangular transfer functions

We derive the optimum arrangements suitable for efficient multiplexing and demultiplexing in optical networks. By using a planar arrangement of waveguide arrays, nearly ideal rectangular transfer functions are obtained by using two gratings of opposite dispersions. Two different techniques are descr...

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Veröffentlicht in:	IEEE journal of selected topics in quantum electronics 2002-11, Vol.8 (6), p.1168-1178
1. Verfasser:	Dragone, C.
Format:	Artikel
Sprache:	eng
Schlagworte:	Arrayed waveguide gratings Demultiplexing Optical fiber networks Optical planar waveguides Optical waveguide theory Optical waveguides Planar waveguides Rectangular waveguides Transfer functions WDM networks
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Beschreibung
Zusammenfassung:	We derive the optimum arrangements suitable for efficient multiplexing and demultiplexing in optical networks. By using a planar arrangement of waveguide arrays, nearly ideal rectangular transfer functions are obtained by using two gratings of opposite dispersions. Two different techniques are described. One of these requires several grating. The other is a reflective interferometer that only requires one grating, in which case each signal must pass twice through the same grating.
ISSN:	1077-260X 1558-4542
DOI:	10.1109/JSTQE.2002.805966