Phase-shifted Bragg-grating filters with improved transmission characteristics

Standard Bragg filters (dielectric waveguides with a grating overlay) show a stopband only in reflection. Filters with quarter-wave-shifted gratings have an extremely narrow transmission peak the center of the stopband but its shape (a sharp triangle with a broad bottom) is not suitable for system d...

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Veröffentlicht in:	Journal of lightwave technology 1995-12, Vol.13 (12), p.2354-2358
Hauptverfasser:	Zengerle, R., Leminger, O.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Bragg gratings Channel spacing Circuit properties Couplings Dielectrics Electric, optical and optoelectronic circuits Electronics Exact sciences and technology Filters Integrated optics. Optical fibers and wave guides Optical and optoelectronic circuits Reflection Shape Wavelength division multiplexing
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