Title :
Cascaded subwavelength resonant grating filters for flat-top spectral response
Author :
Chang, Allan S.P. ; Wu, Wei ; Chou, Stephen Y.
Author_Institution :
Dept. of Electr. Eng., Princeton Univ., NJ, USA
Abstract :
Flat-top spectral response from cascaded subwavelength resonant filters is demonstrated experimentally with much flatter passband and sharper rolloff than for a single filter. The ratio of 10 dB to 3 dB bandwidth is reduced from 3 for a single filter to 1.53.
Keywords :
diffraction gratings; infrared spectra; optical filters; spectral analysis; wavelength division multiplexing; cascaded subwavelength resonant grating filters; flat-top spectral response; Band pass filters; Bandwidth; Glass; Gratings; Optical filters; Optical reflection; Passband; Resonance; Silicon compounds; Substrates;
Conference_Titel :
Lasers and Electro-Optics, 2003. CLEO '03. Conference on
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
1-55752-748-2
