Two‐Photon Laser‐Written Photoalignment Layers for Patterning Liquid Crystalline Conjugated Polymer Orientation
Sign Up to like & getrecommendations! Published in 2020 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202007493
Abstract: Y.S. and D.D.C.B. gratefully acknowledge the Hong Kong Jockey Club Graduate Scholarship at the University of Oxford for financial support. P.S.S. gratefully acknowledges funding from the Engineering and Physical Sciences Research Council UK (EP/R004803/1). The… read more here.
Keywords: layers patterning; two photon; photon laser; photoalignment layers ... See more keywords
Ultrafast-laser vitrification of laser-written crystalline tracks in oxide glasses
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Non-Crystalline Solids"
DOI: 10.1016/j.jnoncrysol.2019.04.027
Abstract: Abstract We report a method of femtosecond laser-induced vitrification of crystalline tracks laser-written in glasses with different crystallization ability including lanthanum borogermanage, barium titanium silicate and lithium niobium silicate glasses. We have found that crystalline… read more here.
Keywords: crystalline; crystalline tracks; laser; vitrification ... See more keywords
Production and characterization of femtosecond laser-written double line waveguides in heavy metal oxide glasses
Sign Up to like & getrecommendations! Published in 2018 at "Optical Materials"
DOI: 10.1016/j.optmat.2017.10.033
Abstract: Abstract We report the fabrication and characterization of double line waveguides directly written in tellurite and germanate glasses using a femtosecond laser delivering 30 μJ, 80 fs pulses at 4 kHz repetition rate. The double line waveguides… read more here.
Keywords: line; double line; femtosecond laser; laser written ... See more keywords
Mode tailoring of laser written waveguides in LiNbO3 crystals by multi-scan of femtosecond laser pulses
Sign Up to like & getrecommendations! Published in 2018 at "Optical Materials"
DOI: 10.1016/j.optmat.2018.11.001
Abstract: Abstract We report on the mode tailoring of femtosecond laser written waveguides in LiNbO3 crystals by using multiscan technique. The effects of parameters of the laser writing, i.e., pulse energy and focusing depth, on the… read more here.
Keywords: linbo3 crystals; laser; waveguides linbo3; femtosecond laser ... See more keywords
Super-Poissonian Light Statistics from Individual Silicon Vacancy Centers Coupled to a Laser-Written Diamond Waveguide
Sign Up to like & getrecommendations! Published in 2022 at "ACS Photonics"
DOI: 10.1021/acsphotonics.2c00774
Abstract: Modifying light fields at the single-photon level is a key challenge for upcoming quantum technologies and can be realized in a scalable manner through integrated quantum photonics. Laser-written diamond photonics offers 3D fabrication capabilities and… read more here.
Keywords: laser written; photonics; written diamond; silicon vacancy ... See more keywords
Laser-written polymeric scaffolds for micro-patterned liquid crystal alignment
Sign Up to like & getrecommendations! Published in 2019 at "Liquid Crystals"
DOI: 10.1080/02678292.2019.1631970
Abstract: ABSTRACT We demonstrate that two-photon polymerisation-based direct laser writing (TPP-DLW) is a very convenient technique for the fabrication of tunable liquid crystal (LC) based optical diffractive structures. The underlying TPP-DLW scaffold is composed of out-of-plane… read more here.
Keywords: scaffolds micro; polymeric scaffolds; written polymeric; liquid crystal ... See more keywords
Reconfigurable Photonics on a Glass Chip
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review Applied"
DOI: 10.1103/physrevapplied.10.044048
Abstract: Reconfigurability of integrated photonic chips plays a key role in current experiments in the area of linear-optical quantum computing. We demonstrate a reconfigurable multiport interferometer implemented as a femtosecond laser-written integrated photonic device. The device… read more here.
Keywords: reconfigurable photonics; glass chip; femtosecond laser; photonics glass ... See more keywords
Deep Three-Dimensional Solid-State Qubit Arrays with Long-Lived Spin Coherence
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review Applied"
DOI: 10.1103/physrevapplied.12.064005
Abstract: Three-dimensional arrays of silicon transistors increase the density of bits. Solid-state qubits are much larger so could benefit even more from using the third dimension given that useful fault-tolerant quantum computing will require at least… read more here.
Keywords: solid state; laser written; spin coherence; three dimensional ... See more keywords
Optical NP problem solver on laser-written waveguide platform.
Sign Up to like & getrecommendations! Published in 2018 at "Optics express"
DOI: 10.1364/oe.26.000702
Abstract: Cognitive photonic networks are researched to efficiently solve computationally hard problems. Flexible fabrication techniques for the implementation of such networks into compact and scalable chips are desirable for the study of new optical computing schemes… read more here.
Keywords: problem solver; solver laser; laser; laser written ... See more keywords
Spatially resolved cross-sectional refractive index profile of fs laser-written waveguides using a genetic algorithm.
Sign Up to like & getrecommendations! Published in 2019 at "Optics express"
DOI: 10.1364/oe.27.002488
Abstract: Laser-written waveguides in glass have many potential applications as photonic devices. However, there is little knowledge of the actual profile of the usually asymmetric refractive index (RI) change across the femtosecond (fs) laser-written waveguides. We… read more here.
Keywords: genetic algorithm; refractive index; written waveguides; profile laser ... See more keywords
Laser-written vapor cells for chip-scale atomic sensing and spectroscopy.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.469296
Abstract: We report the fabrication of alkali-metal vapor cells using femtosecond laser machining. This laser-written vapor-cell (LWVC) technology allows arbitrarily-shaped 3D interior volumes and has potential for integration with photonic structures and optical components. We use… read more here.
Keywords: laser written; written vapor; spectroscopy; vapor cells ... See more keywords