Abstract
To answer the growing need for more versatile integrated spectral filters, we show that weak
one-dimensional gratings can be designed towards any desired target spectrum. We follow a very straightforward design
procedure to demonstrate the performance of these devices. Measurements and simulations show a very good
correspondence with the target spectra. By analyzing the results, we also found that the design procedure can be
refined by using simulated reflections, instead of relying on the calculated Fresnel reflections.
© 2014 IEEE
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