title: Flexibly tunable multichannel filter and bandpass filter based on long-period fiber gratings.
abstract: The voltage-controllable multichannel filter based on multiply cascaded long-period fiber gratings with a divided coil heater will be proposed and experimentally demonstrated. It has several advantages of the large tuning range in both C- and L-band, multichannel operation, multiwavelength electivity, and bandwidth controllability. The tunable bandpass filter based on long-period fiber gratings ith the broad bandwidth over 6.5 nm, large tuning range over 30 nm, and excellent side mode suppression more than 40 dB will be also discussed.
authors.forename: Young-Geun
authors.initials: YG
authors.lastname: Han
authors.forename: Sang
authors.initials: S
authors.lastname: Kim
authors.forename: Sang
authors.initials: S
authors.lastname: Lee