Two-photon direct laser writing of ultracompact multi-lens objectives. NATURE PHOTONICS, (10)8:554+, NATURE PUBLISHING GROUP, August 2016. [PUMA: laser multi-lens photon writing]
Single mode fiber based delivery of OAM light by 3D direct laser writing. Opt. Express, (25):19672, 2017. [PUMA: 3D fiber laser writing]