Panusa, GiuliaPu, YeWang, JiepingMoser, ChristophePsaltis, Demetri2019-01-232019-01-232019-01-232018-01-0110.1109/OMN.2018.8454570https://infoscience.epfl.ch/handle/20.500.14299/153757WOS:000454732000020We report the fabrication of ultra-compact flexible optical waveguides in polydimethylsiloxane through multiphoton direct laser writing, for the first time without a photoinitiator. A transmission loss of 0.03 dB/cm was measured in the 650-700 nm band.Engineering, Electrical & ElectronicNanoscience & NanotechnologyOpticsEngineeringScience & Technology - Other Topicswaveguidespdmsphotopolymerizationlaser direct writingmultiphoton absorptiontext::conference output::conference proceedings::conference paper