Optical frequency comb generation from aluminum nitride microring resonator
- Optical frequency comb generation from aluminum nitride microring resonator
- 정호중; Chi Xiong; King Y. Fong; Xufeng Zhang; Hong X. Tang
- Issue Date
- Optics letters
- VOL 38, NO 15-2813
- Aluminum nitride (AlN) is an appealing nonlinear optical material for on-chip wavelength conversion. Here we report optical frequency comb generation from high-quality-factor AlN microring resonators integrated on silicon substrates. By engineering the waveguide structure to achieve near-zero dispersion at telecommunication wavelengths and optimizing the phase matching for four-wave mixing, frequency combs are generated with a single-wavelength continuous-wave pump laser. Further, the Kerr coefficient (n(2)) of AlN is extracted from our experimental results
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