Unusual Spectrally Reproducible and High Q‐Factor Random Lasing in Polycrystalline Tin Perovskite Films
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Materials"
DOI: 10.1002/adma.202208293
Abstract: An unusual spectrally reproducible near‐IR random lasing (RL) with no fluctuation of lasing peak wavelength is disclosed in polycrystalline films of formamidinium tin triiodide perovskite, which have been chemically stabilized against Sn2+ to Sn4+ oxidation.… read more here.
Keywords: unusual spectrally; random lasing; factor; tin ... See more keywords
Random Lasing in ZnO Nanopowders Based on Multiphoton Absorption for Ultrafast Upconversion Application
Sign Up to like & getrecommendations! Published in 2019 at "ACS Applied Nano Materials"
DOI: 10.1021/acsanm.8b02300
Abstract: This study reports ultraviolet picosecond random lasing (RL) based on multiphoton absorption in zinc oxide (ZnO) nanopowders with a mean size of ∼100 nm under femtosecond optical excitation. Upconversion random lasing is achieved with an… read more here.
Keywords: random lasing; multiphoton absorption; based multiphoton; excitation ... See more keywords
Two-dimensional Wrinkle Resonators for Random Lasing in Organic Glasses
Sign Up to like & getrecommendations! Published in 2020 at "Scientific Reports"
DOI: 10.1038/s41598-020-59236-4
Abstract: Random lasers consisting of slab waveguides with two-dimensional disordered wrinkling patterns that act as scattering resonators are reported. As active material 2,2′,7,7′-tetraphenyl-9,9′-spirobifluorene is used which is sandwiched between an oxidized silicon wafer and a cladding… read more here.
Keywords: wrinkle resonators; resonators random; dimensional wrinkle; two dimensional ... See more keywords
Unprecedented random lasing in 2D organolead halide single-crystalline perovskite microrods.
Sign Up to like & getrecommendations! Published in 2020 at "Nanoscale"
DOI: 10.1039/d0nr01171a
Abstract: Three-dimensional organic-inorganic hybrid halide perovskites have been demonstrated as great materials for applications in optoelectronics and photonics. However, their inherent instabilities in the presence of moisture, light, and heat may hinder their commercialization. Alternatively, emerging… read more here.
Keywords: organic inorganic; single crystalline; unprecedented random; random lasing ... See more keywords
Vertically oriented self-assembly of colloidal CdSe/CdZnS quantum wells controlled via hydrophilicity/lipophilicity balance: optical gain of quantum well stacks for amplified spontaneous emission and random lasing.
Sign Up to like & getrecommendations! Published in 2023 at "Nanoscale"
DOI: 10.1039/d3nr00170a
Abstract: We propose and demonstrate vertically oriented self-assembly of colloidal quantum wells (CQWs) that allows for stacking CdSe/CdZnS core/shell CQWs in films for the purposes of amplified spontaneous emission (ASE) and random lasing. Here, a monolayer… read more here.
Keywords: quantum; self assembly; random lasing; vertically oriented ... See more keywords
Polycrystalline ZnO nanorods for lasing applications
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Applied Physics"
DOI: 10.1063/1.5083965
Abstract: Single and double mode random lasing were observed in a polycrystalline ZnO nanorod array. The double mode random lasing showed mode competition when the mode spacing was 2.3 nm or below. Structurally, X-ray diffraction measurements confirmed… read more here.
Keywords: double mode; mode; polycrystalline zno; random lasing ... See more keywords
Random lasing action from electrospun nanofibers doped with laser dyes
Sign Up to like & getrecommendations! Published in 2017 at "Laser Physics"
DOI: 10.1088/1555-6611/aa555c
Abstract: We fabricated polyvinyl alcohol (PVA) nanofibers doped with Rhodamine 6G laser dyes via an electrospinning technique, which were then excited by a pulsed laser for laser emission. The laser was observed at a low threshold… read more here.
Keywords: nanofibers doped; laser; lasing action; action electrospun ... See more keywords
Flexible electrically pumped random lasing from ZnO nanowires based on metal-insulator-semiconductor structure
Sign Up to like & getrecommendations! Published in 2017 at "Chinese Physics B"
DOI: 10.1088/1674-1056/26/6/067301
Abstract: Flexible electrically pumped random laser (RL) based on ZnO nanowires is demonstrated for the first time to our knowledge. The ZnO nanowires each with a length of 5 μm and an average diameter of 180… read more here.
Keywords: zno; pumped random; electrically pumped; random lasing ... See more keywords
Plasmon-assisted random lasing from a single-mode fiber tip.
Sign Up to like & getrecommendations! Published in 2020 at "Optics express"
DOI: 10.1364/oe.391650
Abstract: Random lasing occurs as the result of a coherent optical feedback from multiple scattering centers. Here, we demonstrate that plasmonic gold nanostars are efficient light scattering centers, exhibiting strong field enhancement at their nanotips, which… read more here.
Keywords: fiber; gold nanostars; single mode; random lasing ... See more keywords
Stokes mode Raman random lasing in a fully biocompatible medium.
Sign Up to like & getrecommendations! Published in 2018 at "Optics letters"
DOI: 10.1364/ol.43.005865
Abstract: We demonstrate for the first time, to the best of our knowledge, Raman random lasing in a continuous-wave (CW) excited, completely biocompatible and biodegradable carrot medium naturally composed of fibrous cellulose scattering medium and rich… read more here.
Keywords: medium; raman random; stokes mode; random lasing ... See more keywords
Dynamically controlled random lasing with colloidal titanium carbide MXene
Sign Up to like & getrecommendations! Published in 2020 at "Optical Materials Express"
DOI: 10.1364/ome.398132
Abstract: Control of lasing properties through tailorable and dynamically tunable materials and reconfigurable compositions can augment the performance of random lasers for a wide range of applications. Here, a colloid of randomly dispersed weakly scattering single-layer… read more here.
Keywords: titanium carbide; ti3c2tx mxene; mxene flakes; random lasing ... See more keywords