Title :
High-efficiency coupling of laser diodes in tapered proton-exchanged waveguides
Author :
Mizuuchi, K. ; Yamamoto, Koji ; Taniuchi, Tetsuo
Author_Institution :
Semicond. Res. Centre, Matsushita Electr. Ind. Co. Ltd., Osaka, Japan
Abstract :
Low-loss coupling between a laser diode and a tapered waveguide fabricated by selective area proton-exchange in LiNbO3 is reported. The effectiveness of this waveguide is demonstrated by generating 12.3 mW of second harmonic blue light pulse by Cerenkov radiation.
Keywords :
III-V semiconductors; aluminium compounds; gallium arsenide; integrated optics; lithium compounds; magnesium compounds; optical couplers; optical harmonic generation; optical waveguides; semiconductor junction lasers; 12.3 mW; Cerenkov radiation; GaAlAs laser diode; LiNbO 3:MgO; high-efficiency coupling; laser diodes; low-loss coupling; second harmonic blue light pulse; selective area proton-exchange; tapered proton-exchanged waveguides;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19901288
