Title :
0-dB wavelength conversion using direct-bonded QPM-Zn : LiNbO3 ridge waveguide
Author :
Nishida, Y. ; Miyazawa, H. ; Asobe, M. ; Tadanaga, O. ; Suzuki, H.
Author_Institution :
NTT Photonics Labs., NTT Corp., Atsugi, Japan
fDate :
5/1/2005 12:00:00 AM
Abstract :
We fabricate a 50-mm-long ZnO-doped quasi-phase matched LiNbO3 ridge waveguide by employing the direct bonding method. A second-harmonic generation conversion efficiency of 560%/W and an output power of 110 mW with a pump power of 190 mW are achieved. We demonstrate 1.55-μm band wavelength conversion based on a /spl chi//sup (2)/ cascade scheme. An internal wavelength conversion efficiency of -0.3 dB is successfully achieved.
Keywords :
lithium compounds; optical communication equipment; optical fabrication; optical harmonic generation; optical phase matching; optical pumping; optical waveguides; optical wavelength conversion; ridge waveguides; zinc; 1.55 mum; 110 mW; 190 mW; 50 mm; LiNbO/sub 3/:ZnO; direct-bonded QPM; quasiphase-matched ridge waveguide; second-harmonic generation; wavelength conversion; Annealing; Liquid waveguides; Optical waveguides; Optical wavelength conversion; Photorefractive effect; Polarization; Power generation; Substrates; Temperature; Wafer bonding; Nonlinear optics; optical frequency conversion; ridge waveguides;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2005.846745
