Sub‐Picosecond Response Time of a Hybrid VO 2 :Silicon Waveguide at 1550 nm
Sign Up to like & getrecommendations! Published in 2020 at "Advanced Optical Materials"
DOI: 10.1002/adom.202001721
Abstract: DOI: 10.1002/adom.202001721 performance of on-chip components for silicon photonics.[1–5] For ultrafast optical switching, VO2 has long been viewed as a promising candidate for integration with silicon photonics components. However, while experiments during the last decade… read more here.
Keywords: silicon waveguide; response; time; picosecond ... See more keywords
Hybrid plasmonic graphene modulator with buried silicon waveguide
Sign Up to like & getrecommendations! Published in 2020 at "Optics Communications"
DOI: 10.1016/j.optcom.2019.124559
Abstract: Abstract We propose a low-loss broadband modulator by combining plasmonic effect with graphene to realize highly efficient modulation on the SOI (Silicon-On-Insulator) platform. Due to a hybrid plasmonic waveguide including buried silicon waveguide and silver… read more here.
Keywords: hybrid plasmonic; silicon waveguide; buried silicon; graphene ... See more keywords
A simplified laser-to-chip edge coupling scheme using 3D SU-8 taper
Sign Up to like & getrecommendations! Published in 2023 at "Journal of Physics D: Applied Physics"
DOI: 10.1088/1361-6463/accfa9
Abstract: In this work, we design and simulate a three-dimensional (3D) SU-8 tapered edge coupler for effectively guiding light from an edge-emitting semiconductor laser diode directly to a silicon waveguide to realize a hybrid on-chip silicon… read more here.
Keywords: simplified laser; physics; edge; silicon waveguide ... See more keywords
Mid Infrared Integrated MZI Gas Sensor Using Suspended Silicon Waveguide
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2019.2924916
Abstract: A novel mid-infrared (MIR) gas sensor is proposed. A sensitivity analysis of the suspended silicon waveguide for gaseous medium index change in the MIR range is also presented. The analysis shows that a suspended silicon… read more here.
Keywords: suspended silicon; gas sensor; silicon waveguide;
Efficient Second Harmonic Generation by Mode Phase Matching in a Silicon Waveguide
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2017.2697073
Abstract: Bulk silicon possesses no second-order susceptibility (χ(2)), inhibiting second-order nonlinear processes in the emerging silicon photonic platform. Here, we propose a method to overcome this limitation by enabling a third-order (χ(3)) nonlinear mixing scheme between… read more here.
Keywords: silicon waveguide; sup sup; harmonic generation; sup ... See more keywords
Optical Properties of Bowtie-Type Nanoantennas Integrated Onto a Silicon Waveguide Platform
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2019.2940984
Abstract: In this paper, we provide a detailed three-dimensional numerical analysis of the optical properties of common and modified bowtie aperture antennas integrated onto a silicon waveguide platform, to discuss the influence of geometrical parameters on… read more here.
Keywords: field; silicon waveguide; waveguide platform; onto silicon ... See more keywords
Mode-selective wavelength conversion of OFDM-QPSK signals in a multimode silicon waveguide.
Sign Up to like & getrecommendations! Published in 2017 at "Optics express"
DOI: 10.1364/oe.25.004493
Abstract: We experimentally demonstrate on-chip mode-selective wavelength conversions based on the degenerate four-wave mixing (FWM) nonlinear effect in a few-mode silicon waveguide. A multimode waveguide with tapered directional coupler based mode (de)multiplexers is designed and fabricated.… read more here.
Keywords: silicon waveguide; mode; ofdm qpsk; selective wavelength ... See more keywords
Integrated wavelength conversion for adaptively modulated WDM-OFDM signals in a silicon waveguide.
Sign Up to like & getrecommendations! Published in 2017 at "Optics express"
DOI: 10.1364/oe.25.031417
Abstract: All-optical wavelength conversion for 2×11.64 GBaud adaptively-modulated orthogonal frequency division multiplexing (AM-OFDM) signals with QPSK/16QAM formats is experimentally demonstrated in a silicon waveguide. The AM-OFDM signal with partly higher- (and lower-) order formats on lower-… read more here.
Keywords: silicon waveguide; wavelength conversion; conversion; adaptively modulated ... See more keywords
Mid-IR sensing platform for trace analysis in aqueous solutions based on a germanium-on-silicon waveguide chip with a mesoporous silica coating for analyte enrichment.
Sign Up to like & getrecommendations! Published in 2020 at "Optics express"
DOI: 10.1364/oe.399646
Abstract: A novel platform based on evanescent wave sensing in the 6.5 to 7.5 µm wavelength range is presented with the example of toluene detection in an aqueous solution. The overall sensing platform consists of a… read more here.
Keywords: germanium silicon; silicon waveguide; sensing platform; mesoporous silica ... See more keywords
100 Gb/s NRZ OOK signal regeneration using four-wave mixing in a silicon waveguide with reverse-biased p-i-n junction.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.471162
Abstract: A silicon waveguide with reverse-biased p-i-n junction is used to experimentally demonstrate all-optical regeneration of non-return-to-zero (NRZ) on-off keying (OOK) signal based on four-wave mixing. The silicon waveguide allows a high conversion efficiency of -12 dB.… read more here.
Keywords: regeneration; silicon waveguide; ook signal; nrz ook ... See more keywords
On-Chip Reconfigurable and Ultracompact Silicon Waveguide Mode Converters Based on Nonvolatile Optical Phase Change Materials
Sign Up to like & getrecommendations! Published in 2022 at "Nanomaterials"
DOI: 10.3390/nano12234225
Abstract: Reconfigurable mode converters are essential components in efficient higher-order mode sources for on-chip multimode applications. We propose an on-chip reconfigurable silicon waveguide mode conversion scheme based on the nonvolatile and low-loss optical phase change material… read more here.
Keywords: mode conversion; conversion; silicon waveguide; mode ... See more keywords