Title : 
Methane detection in ambient air by difference frequency generation using a direct-bonded periodically poled LiNbO3 ridge waveguide
         
        
            Author : 
Yanagawa, Tsutomu ; Tadanaga, Osamu ; Nishida, Yoshiki ; Miyazawa, Hiroshi ; Magari, Katsuaki ; Asobe, Masaki ; Suzuki, Hiroyuki
         
        
            Author_Institution : 
NTT Photonics Labs., Atsugi
         
        
        
        
        
        
            Keywords : 
Bragg gratings; chemical variables measurement; gas sensors; infrared spectroscopy; laser cavity resonators; laser stability; lithium compounds; measurement by laser beam; optical waveguides; ridge waveguides; semiconductor lasers; spectrochemical analysis; DFG mid-IR output; Hanst configuration; LiNbO3; NIR external cavity laser diode; difference frequency generation; direct-bonded periodically poled LiNbO3 ridge waveguide; fiber Bragg gratings; laser diode oscillation mode stabilization; methane gas detection; spectroscopic resolution; trace gas concentration; Absorption; Bragg gratings; Erbium-doped fiber amplifier; Fiber gratings; Frequency; Optical filters; Optical noise; Optical pumping; Phase noise; Spectroscopy;
         
        
        
        
            Conference_Titel : 
Lasers and Electro-Optics Society, 2006. LEOS 2006. 19th Annual Meeting of the IEEE
         
        
            Conference_Location : 
Montreal, QC, Canada
         
        
            Print_ISBN : 
0-7803-9555-7
         
        
            Electronic_ISBN : 
0-7803-9555-7
         
        
        
            DOI : 
10.1109/LEOS.2006.278989