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 10dB to 3dB bandwidth is reduced from 3 for a single filter to 1.53.
© 2003 Optical Society of America
You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.
Contact your librarian or system administrator
Login to access OSA Member Subscription