首页|C5+ ion irradiated ZnSe optical waveguide operating from near-infrared to mid-infrared wavelength band
C5+ ion irradiated ZnSe optical waveguide operating from near-infrared to mid-infrared wavelength band
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NSTL
Elsevier
We have manufactured an optical ridge waveguide in ZnSe crystal utilizing techniques of C5+ ion irradiation and precise diamond blade dicing. From near-infrared to mid-infrared band, the waveguide supports single-mode transmission and the propagation losses have been reduced as low as 0.8 dB/cm (lambda = 1.064 mu m), 0.6 dB/cm (lambda = 2.2 mu m) and 0.4 dB/cm (lambda = 4 mu m) after a series of annealing treatments. The refractive index profile of the waveguide is reconstructed and the simulated near-field modal profile fits well with the experiment. The Raman spectrum of the waveguide and substrate indicates there is no large lattice damage after C5+ ion irradiation.
NSTL
Elsevier
