Compact silicon multimode waveguide spectrometer with enhanced bandwidth
Sign Up to like & getrecommendations! Published in 2017 at "Scientific Reports"
DOI: 10.1038/srep43454
Abstract: Compact, broadband, and high-resolution spectrometers are appealing for sensing applications, but difficult to fabricate. Here we show using calibration data a spectrometer based on a multimode waveguide with 2 GHz resolution, 250 GHz bandwidth, and a 1.6 mm × 2.1 mm… read more here.
Keywords: compact silicon; number; silicon multimode; spectrometer ... See more keywords
Ultra-Sharp Multimode Waveguide Bends With Dual Polarizations
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2020.2982736
Abstract: A silicon-based on-chip ultra-sharp multimode waveguide bend (MWB) is proposed to work for dual polarizations by introducing modified Euler-curves and shallowly-etched non-uniform subwavelength-gratings (SWGs). For the designed 90° MWB with a core width of 1.01 μm… read more here.
Keywords: dual polarizations; sharp multimode; multimode waveguide; waveguide bends ... See more keywords
High-Q chalcogenide racetrack resonators based on the multimode waveguide.
Sign Up to like & getrecommendations! Published in 2023 at "Applied optics"
DOI: 10.1364/ao.484821
Abstract: We propose and demonstrate a high quality (Q) factor racetrack resonator based on uniform multimode waveguides in high-index contrast chalcogenide glass film. Our design features two carefully designed multimode waveguide bends based on modified Euler curves,… read more here.
Keywords: multimode waveguide; resonators based; racetrack; racetrack resonators ... See more keywords
An Ultracompact Multimode Waveguide Crossing Based on Subwavelength Asymmetric Y-Junction
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Photonics Journal"
DOI: 10.1364/cleopr.2018.w4h.2
Abstract: We propose and experimentally demonstrate a novel ultracompact multimode waveguide crossing. The compact asymmetric subwavelength Y-junction is introduced to convert the high-order modes into fundamental ones, enabling one to implement three or more modes simultaneously… read more here.
Keywords: ultracompact multimode; subwavelength; junction; waveguide crossing ... See more keywords
Multimode waveguide crossing with ultralow loss and low imbalance.
Sign Up to like & getrecommendations! Published in 2020 at "Optics express"
DOI: 10.1364/oe.392445
Abstract: The mode-division-multiplexing (MDM) technology has become an alternative solution to further increase the link capacity in optical communication systems. Ultralow loss waveguide crossings for multimode waveguides are requisite in on-chip MDM systems. We propose and… read more here.
Keywords: imbalance; ultralow loss; waveguide crossing; multimode waveguide ... See more keywords
Ultra-compact multimode waveguide bend with shallowly etched grooves.
Sign Up to like & getrecommendations! Published in 2021 at "Optics express"
DOI: 10.1364/oe.440634
Abstract: In this work, an ultra-sharp multimode waveguide bend (MWB) based on gradient shallowly etched grooves is proposed and demonstrated. With a bending radius of only 5.6 μm, our shallowly-etched-groove multimode waveguide bend (SMWB) can enable… read more here.
Keywords: waveguide bend; etched grooves; shallowly etched; multimode waveguide ... See more keywords
Compact and broadband multimode waveguide bend by shape-optimizing with transformation optics
Sign Up to like & getrecommendations! Published in 2020 at "Photonics Research"
DOI: 10.1364/prj.403818
Abstract: Multimode waveguide bend is one of the key components for realizing high-density mode-division multiplexing systems on chip. However, the reported multimode waveguide bends are either large, bandwidth-limited or fabrication-complicated, which hinders their applications in future… read more here.
Keywords: shape optimizing; waveguide bend; multimode waveguide; multimode ... See more keywords
Polarization Splitter-Rotator Based on Multimode Waveguide Grating
Sign Up to like & getrecommendations! Published in 2021 at "Crystals"
DOI: 10.3390/cryst11101170
Abstract: We demonstrate a polarization splitter rotator (PSR) based on multimode waveguide grating (MWG) on a silicon-on-insulator (SOI) platform. Bloch mode hybridization in mini-stopband is exploited to achieve high polarization conversion efficiency. The fabricated device yields… read more here.
Keywords: polarization splitter; based multimode; polarization; splitter rotator ... See more keywords