Bragg filters are of essential importance for chip-scale photonic systems. However, the
implementation of filters with sub-nanometer bandwidth and rejection beyond 70 dB is …

Selective optical filters with high rejection levels are of fundamental importance for a wide
range of advanced photonic circuits. However, the implementation of high‐rejection on‐chip …

Selective on-chip optical filters with high rejection levels are key components for a wide
range of advanced photonic circuits. However, maximum achievable rejection in state-of-the …

We propose the realization of an on-chip dual identical narrowband Bragg filter at∼ 1310
and∼ 1950nm wavelengths simultaneously based on the silicon-on-insulator (SOI) platform …

Bragg filters stand as key building blocks of the silicon-on-insulator (SOI) photonics platform,
allowing the implementation of advanced on-chip signal manipulation. However, achieving …

Filters with narrow bandwidth, high sidelobe suppression ratio (SLSR), and large free
spectral range (FSR) play an important role in photonic circuits. In this work, we demonstrate …

Waveguide Bragg grating filters with narrow bandwidths and high optical rejections are key
functions for several advanced silicon photonics circuits. Here, we propose and demonstrate …

On-chip Bragg gratings with high reflectivities have been found to have widespread
applications in filters, resonators, and semiconductor lasers. However, achieving strong …

Spectral filters are important building blocks for many applications in integrated photonics,
including datacom and telecom, optical signal processing and astrophotonics. Sidewall …

An ultra-broadband optical filter based on step-chirped multimode waveguide Bragg grating
(SCMWBG) with low insertion loss, high sidelobe suppression ratio (SLSR), compact size …