including the optical solutions (such as the Mach‒Zehnder interferometer (MZI)25, microring resonator (MRR)33,51, integrated diffractive optical network (IDNN)24, phase changed material (PCM)16and others35,52,53,54) and analog electrical solution55. The programmable units in refs.16,24,25,3...
Chip-level integrated diffractive optical micro-lenses for multimode vertical-cavity-surface-emitting laser to fiber The standard assembly technologies for vertical-cavity surface-emitting laser (VCSEL) to fiber coupling systems involve the integration of discrete element... Ammer,Thomas - 《Optical ...
In the experiment, a multimode semiconductor 520 ± 5-nm laser with a spectral bandwidth of 2 nm, static two-dimensional (2D) and 2 × 1D diffractive optical elements (DOEs), as well as multimode single-core optical fibre and multimode optical fibre bundle were used. The ...