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Planar waveguide add/drop wavelength filters based on segmented gratings
Author(s) -
TomljenovicHanic S.,
Love J. D.
Publication year - 2003
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.10855
Subject(s) - optics , wavelength , planar , materials science , microwave , reflection (computer programming) , fiber bragg grating , grating , drop (telecommunication) , optoelectronics , waveguide , diffraction grating , blazed grating , physics , computer science , telecommunications , computer graphics (images) , programming language
We investigate the application of segmented reflection gratings in planar devices that can function as either a single‐ or two‐wavelength add/drop filter. The role of the segmented gratings is analogous to that of a blazed grating, but can provide a higher reflectivity level at the Bragg wavelength, eliminate back reflection into the fundamental mode, and provide arbitrarily close channel spacing in the two‐wavelength case. © 2003 Wiley Periodicals, Inc. Microwave Opt Technol Lett 37: 163–165, 2003; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.10855
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