On‐Chip Sensing with Slow Light Topological Cavities
Sign Up to like & getrecommendations! Published in 2025 at "Advanced Optical Materials"
DOI: 10.1002/adom.202501761
Abstract: Terahertz (THz) on‐chip sensing has emerged as a powerful approach for high spatial resolution, real‐time, label‐free, and non‐invasive detection. Valley photonic crystals (VPC)‐based waveguide‐cavity systems featuring topologically protected signal propagation with reduced scattering losses can… read more here.
Keywords: light; cavity; sensitivity; chip sensing ... See more keywords
Ultra-wide band dispersionless slow light waveguides
Sign Up to like & getrecommendations! Published in 2017 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-017-1267-1
Abstract: In conventional slow light waveguide, the delay time of signal in a waveguide is inversely proportional to its bandwidth. As a measure of storage density of optical pulse, the delay-bandwidth product is limited to a… read more here.
Keywords: slow light; band; delay; dispersionless slow ... See more keywords
Slow light enhanced bio sensing properties of silicon sensors
Sign Up to like & getrecommendations! Published in 2019 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-019-2067-6
Abstract: In this paper, we investigated slow light to increase sensitivity and quality factor of our recently designed bio-sensors. A finite difference time domain and Plane Wave Expansion methods are employed to figure out sensors’ performances.… read more here.
Keywords: slow light; light; quality factor; light enhanced ... See more keywords
Investigating the Characteristics of a Double Circular Ring Resonators Slow Light Device Based on the Plasmonics-Induced Transparency Coupled with Metal-Dielectric-Metal Waveguide System
Sign Up to like & getrecommendations! Published in 2017 at "Plasmonics"
DOI: 10.1007/s11468-017-0660-8
Abstract: We have numerically investigated an analog of electromagnetically induced transparency (EIT) in a metal-dielectric-metal (MDM) waveguide bend. The geometry consists of two asymmetrical stubs extending parallel to an arm of a straight MDM waveguide bend.… read more here.
Keywords: dielectric metal; slow light; metal dielectric; induced transparency ... See more keywords
Slow light and stored light phenomena of love wave within a thin film
Sign Up to like & getrecommendations! Published in 2017 at "Optik"
DOI: 10.1016/j.ijleo.2016.12.028
Abstract: Abstract A novel optical theoretical model of the Love wave within thin films covered with a semi-infinite media is derived in details, and further excellent slow light and stored light phenomena in a thin film… read more here.
Keywords: slow light; thin film; light stored; film ... See more keywords
High sensitivity electro-optic modulation of slow light in ellipse rods PC-CROW
Sign Up to like & getrecommendations! Published in 2017 at "Optics Communications"
DOI: 10.1016/j.optcom.2016.01.070
Abstract: Abstract A tunable slow light with low group velocity, high buffer performance and high sensitivity is realized in photonic crystal coupled resonator optical waveguide (PC-CROW) with elliptical rod around cavity. By adjusting the long axis… read more here.
Keywords: high sensitivity; slow light; electro optic; modulation ... See more keywords
Wideband and low dispersion slow light by altering the geometry of a photonic crystal waveguide
Sign Up to like & getrecommendations! Published in 2018 at "Optics Communications"
DOI: 10.1016/j.optcom.2018.06.077
Abstract: Abstract In this paper, a novel type of slow light photonic crystal waveguide obtained by enlarging the entire holes of the PhC and shifting the first and second rows of the air holes adjacent to… read more here.
Keywords: slow light; wideband low; photonic crystal; geometry ... See more keywords
Optical performance of tellurite glass microstructured optical fiber for slow-light generation assisted by stimulated brillouin scattering
Sign Up to like & getrecommendations! Published in 2019 at "Optical Materials"
DOI: 10.1016/j.optmat.2019.05.019
Abstract: Abstract As matter of course traditional silica optical fibers have been widely utilized in slow-light generation promoted by an inelastic scattering process designated as stimulated Brillouin scattering (SBS). We intend to explore two different configurations… read more here.
Keywords: slow light; brillouin scattering; tellurite glass; stimulated brillouin ... See more keywords
Slow light topological photonics with counter-propagating waves and its active control on a chip
Sign Up to like & getrecommendations! Published in 2024 at "Nature Communications"
DOI: 10.1038/s41467-024-45175-5
Abstract: Topological slow light exhibits potential to achieve stopped light by virtue of its widely known robust and non-reciprocal behaviours. Conventional approach for achieving topological slow light often involves flat-band engineering without disentangling the underlying physical… read more here.
Keywords: slow light; propagating waves; counter propagating; light topological ... See more keywords
Pseudospin-polarized slow light waveguides with large delay-bandwidth product
Sign Up to like & getrecommendations! Published in 2024 at "Communications Physics"
DOI: 10.1038/s42005-024-01853-w
Abstract: Delay-bandwidth product (DBP) is a key metric in slow light waveguides, requiring a balance between a large group index and broad bandwidth—two parameters that often involve a trade-off. Here, we propose and demonstrate a slow… read more here.
Keywords: light; group; delay bandwidth; pseudospin polarized ... See more keywords
Silicon photonics foundry fabricated, slow-light enhanced, low power thermal phase shifter
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Applied Physics"
DOI: 10.1063/5.0219996
Abstract: In this research, we developed a low-power silicon photonics foundry-fabricated slow-light thermal phase shifter (SLTPS) where the slow-light (SL) effect is achieved using an integrated Bragg grating (BG) waveguide. Heating the grating induces a red… read more here.
Keywords: slow light; phase shifter; phase; power ... See more keywords