Narrowband, polarization-independent free-space wave notch filter

A two-dimensional-corrugated-slab-waveguide add/drop filter providing 100% resonant reflection at 1.55 microm wavelength for both TE and TM polarizations with identical FWHM is designed. The fabricated device exhibits a reflectivity spectrum of more than 95% peak reflection for both polarizations at...

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Veröffentlicht in:	Journal of the Optical Society of America. A, Optics, image science, and vision Optics, image science, and vision, 2005-12, Vol.22 (12), p.2799-2803
Hauptverfasser:	CLAUSNITZER, Tina, TISHCHENKO, Alexander V, KLEY, Ernst-Bernhard, FUCHS, Hans-Jörg, SCHELLE, Detlef, PARRIAUX, Olivier, KROLL, Ulrich
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Circuit properties Electric, optical and optoelectronic circuits Electronics Exact sciences and technology Fundamental areas of phenomenology (including applications) Gratings Integrated optics. Optical fibers and wave guides Optical and optoelectronic circuits Optical elements, devices, and systems Optics Physics Waveguides, couplers, and arrays
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Beschreibung
Zusammenfassung:	A two-dimensional-corrugated-slab-waveguide add/drop filter providing 100% resonant reflection at 1.55 microm wavelength for both TE and TM polarizations with identical FWHM is designed. The fabricated device exhibits a reflectivity spectrum of more than 95% peak reflection for both polarizations at 1.537 microm. The coupling scheme involves the TE0 guided mode only; it is made relatively tolerant by means of a double-sided crossed grating.
ISSN:	1084-7529 1520-8532
DOI:	10.1364/JOSAA.22.002799