Nanoscale Supercontinuum Source

5 orders thinner

Phase-matching-free second-order nonlinear process enables octave-spanning coherent light at 100 nm scale.

Das, Susobhan · Uddin, Md Gius · Li, Diao · Wang, Yadong · Dai, Yunyun · Toivonen, Juha · Hong, Hao · Liu, Kaihui · Sun, Zhipei

Light: Science and Applications 2025

Specifications

spectral width covering

{'zh': '~1906', 'en': '1906'} nm

Advantages

Octave-spanning coherent light from 565 to 1906 nm in gallium selenide and niobium oxide diiodide crystals at 100-nanometer scale

~5 orders of magnitude thinner than conventional bulk sources

~3 orders of magnitude lower excitation power