Integrated Photonics Research, Silicon and Nanophotonics 2018: 3D printed Polarization Micro-Optics: Fresnel Rhomb printed on an optical fiber

​​A miniaturized and fiber-integrated Fresnel Rhomb has been 3D printed with Direct Laser Writing on a polarization-maintaining fiber to act as a broadband quarter waveplate, allowing generation of circularly polarized light.