An optical multiplexer-demultiplexer based on an index-confined photonic band gap waveguide is proposed. The dropping of electromagnetic waves having a given frequency or a certain frequency band is obtained via a phase-shifted grating obtained by breaking the uniform period sequence to include a defect layer. The selective filtering properties of the proposed structure are simulated by means of a computer code relying on a bidirectional beam propagation method based on the method of lines. (C) 2003 Optical Society of America.
Photonic band gap filter for wavelength division multiplexer / D'Orazio, A.; De Sario, M.; Petruzzelli, V.; Prudenzano, F.. - In: OPTICS EXPRESS. - ISSN 1094-4087. - ELETTRONICO. - 11:3(2003), pp. 230-239. [10.1364/OE.11.000230]
Photonic band gap filter for wavelength division multiplexer
D'Orazio, A.;De Sario, M.;Petruzzelli, V.;Prudenzano, F.
2003-01-01
Abstract
An optical multiplexer-demultiplexer based on an index-confined photonic band gap waveguide is proposed. The dropping of electromagnetic waves having a given frequency or a certain frequency band is obtained via a phase-shifted grating obtained by breaking the uniform period sequence to include a defect layer. The selective filtering properties of the proposed structure are simulated by means of a computer code relying on a bidirectional beam propagation method based on the method of lines. (C) 2003 Optical Society of America.| File | Dimensione | Formato | |
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