Title : 
Full C-Band Tuning Operation of Semiconductor Double-Ring Resonator-Coupled Laser With Low Tuning Current
         
        
            Author : 
Segawa, T.. ; Matsuo, S. ; Kakitsuka, T. ; Sato, T. ; Kondo, Y. ; Suzuki, H.
         
        
            Author_Institution : 
NTT Corporation, Kanagawa
         
        
        
        
        
        
        
            Abstract : 
A widely tunable double-ring resonator-coupled laser is developed for use in a photonic packet switching system. By using a double-ring resonator as a wavelength-selective filter, full -band tuning operation is achieved with a low tuning current, and the fabrication process is simpler than that used for distributed-Bragg-reflector-type tunable lasers. A tuning range of 50.0 nm with a current injection of less than 7 mA is successfully demonstrated.
         
        
            Keywords : 
laser tuning; optical resonators; ring lasers; semiconductor lasers; current injection; distributed-Bragg-reflector-type tunable lasers; full C-band tuning operation; photonic packet switching system; semiconductor double-ring resonator-coupled laser; Laser tuning; Optical resonators; Optical ring resonators; Optical tuning; Resonator filters; Ring lasers; Semiconductor laser arrays; Semiconductor lasers; Tunable circuits and devices; Waveguide lasers; Integrated optoelectronics; laser tuning; optical resonators; photonic switching systems; semiconductor lasers;
         
        
        
            Journal_Title : 
Photonics Technology Letters, IEEE
         
        
        
        
        
            DOI : 
10.1109/LPT.2007.902342