Title : 
Stable single mode microgear cavity
         
        
            Author : 
Fujita, M. ; Baba, T.
         
        
            Author_Institution : 
Div. of Electr. & Comput. Eng, Yokohama Nat. Univ., Japan
         
        
        
        
        
            Abstract : 
We propose a microgear cavity having a grating with the same period as that of a whispering galley mode standing wave. The FDTD simulation indicates that nonlasing modes having different order or phase are strongly suppressed and the stable single mode lasing is obtained.
         
        
            Keywords : 
diffraction gratings; finite difference time-domain analysis; laser modes; microcavity lasers; FDTD simulation; azimuthal modes; clockwise waves; confinement factor; counterclockwise waves; grating depth; microdisk lasers; microgear cavity; resonant wavelength; stable single mode lasing; whispering galley mode standing wave; Clocks; Computational modeling; Finite difference methods; Gratings; Laser modes; Optical control; Q factor; Spontaneous emission; Temperature control; Time domain analysis;
         
        
        
        
            Conference_Titel : 
Lasers and Electro-Optics, 2001. CLEO/Pacific Rim 2001. The 4th Pacific Rim Conference on
         
        
            Conference_Location : 
Chiba, Japan
         
        
            Print_ISBN : 
0-7803-6738-3
         
        
        
            DOI : 
10.1109/CLEOPR.2001.967700