Dual-wavelength switchable single-mode lasing from a lanthanide-doped resonator.

ABSTRACT: The development of multi-wavelength lasing, particularly with the wavelength tuning in a wide spectral range, is challenging but highly desirable for integrated photonic devices due to its dynamic switching functionality, high spectral purity and contrast. Here, we propose a general strategy, that relies on the simultaneous design on the electronic states and the optical states, to demonstrate dynamically switchable single-mode lasing spanning beyond the record range (300 nm). This is achieved through integrating the reversely designed nanocrystals with two size-mismatched coupled microcavities. We show an experimental validation of a crosstalk-free violet-to-red single-mode behavior through collective control of asymmetric excitation and excitation wavelength. The single-mode action persi

SUBMITTER: Jin L 

PROVIDER: S-EPMC8975839 | biostudies-literature | 2022 Apr

REPOSITORIES: biostudies-literature