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Proceedings Paper

Cascaded silicon-nitride integrated spectrometers for wideband high-resolution spectral interrogation
Author(s): Babak Momeni; Ehsan Shah Hosseini; Ali Adibi
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Paper Abstract

We report the demonstration of a cascaded configuration to realize wideband high-resolution spectrometers in silicon-nitride for the visible range. The cascaded configuration consists of an arrayed waveguide grating followed by a set of resonators and offers a flexibility to achieve the requirements of different sensing applications. We discuss some of the implementation issues of these structures. A preliminary demonstration shows the capability of such spectrometer devices to achieve ~0.1 nm wavelength resolution over 10 nm bandwidth in a compact device in a mm-scale device.

Paper Details

Date Published: 24 February 2010
PDF: 7 pages
Proc. SPIE 7609, Photonic and Phononic Crystal Materials and Devices X, 76090L (24 February 2010); doi: 10.1117/12.848463
Show Author Affiliations
Babak Momeni, Georgia Institute of Technology (United States)
Ehsan Shah Hosseini, Georgia Institute of Technology (United States)
Ali Adibi, Georgia Institute of Technology (United States)


Published in SPIE Proceedings Vol. 7609:
Photonic and Phononic Crystal Materials and Devices X
Ali Adibi; Shawn-Yu Lin; Axel Scherer, Editor(s)

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