title: High resolution on-chip optical filter array based on double subwavelength grating reflectors.
abstract: An optical filter array consisting of vertical narrow-band Fabry-Pérot (FP) resonators formed by two highly reflective high contrast subwavelength grating mirrors is reported. The filters are designed to cover a wide range of operation wavelengths (Δλ/λ = 5%) just by changing the in-plane grating parameters while the device thickness is maintained constant. Operation in the telecom band with transmission efficiencies greater than 40% and quality factors greater than 1,000 are measured experimentally for filters fabricated on the same substrate.
authors.forename: Yu
authors.initials: Y
authors.lastname: Horie
authors.forename: Amir
authors.initials: A
authors.lastname: Arbabi
authors.forename: Seunghoon
authors.initials: S
authors.lastname: Han
authors.forename: Andrei
authors.initials: A
authors.lastname: Faraon