arXiv.svg (5.58 kB)
Silicon Photonics Wavelength-Independent C-Band Tunable Optical Filter With Feasible Thermal Tuning Requirements
preprint
posted on 2023-04-25, 16:00 authored by Saif Alnairat, Benjamin Wohlfeil, Stevan Djordjevic, Bernhard SchmaussA filter design based on Vernier microrings and wideband directional couplers is proposed for ASE noise suppression in next generation DCI applications. We demonstrate a 40 nm FSR-free filter with > 20.5 dB average ER and 3dB-BW of 75 GHz, achieving wavelength-independent performance and full tunability with a maximum tuning temperature of 75 K.