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Parametric Tunable Dispersion Compensation With Spectrally Noninverting Wavelength Conversion Using Quasi-Phase-Matched Adhered Ridge Waveguide

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8 Author(s)
Tanizawa, K. ; Nat. Inst. of Adv. Ind. Sci. & Technol., Tsukuba, Japan ; Kikuchi, K. ; Sugiura, K. ; Kurimura, S.
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We develop a highly efficient quasi-phase-matched adhered ridge waveguide (QPM-ARW) in LiNbO3 as a nonlinear material, and demonstrate tunable wavelength conversion without spectral inversion (SI) and parametric tunable dispersion compensation for a single-mode fiber (SMF) link. The QPM-ARW module with a second harmonic generation efficiency of 700 %/W achieves tunable wavelength conversion with a wavelength-tuning range of at least 25 nm through cascaded sum- and difference-frequency generation (SFG-DFG) process in which the signal and pumps are located symmetrically around the phase matching wavelength. The power penalty of the wavelength conversion is less than 0.6 dB for 43-Gb/s nonreturn-to-zero on-off-keying (NRZ-OOK) signals. We then apply the tunable wavelength conversion without SI to the parametric tunable dispersion compensation scheme, and achieve successful optical tunable dispersion compensation in 43-Gb/s NRZ-OOK transmissions over 53.2-km SMF.

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Selected Topics in Quantum Electronics, IEEE Journal of  (Volume:18 ,  Issue: 2 )