Kvantovaya Elektronika, 	2019  Volume 49,	 Number 9, 	Pages 801–803  
				 
		(Mi qe17118)  
		 
		 
	
		
                	
			This article is cited in	 
                         2   papers
                         	 
			
				
			Letters High-coupling distributed feedback lasers for the 1.55 μm spectral region V. V. Dyudelev a , 	
D. A. Mikhailov b , 	
D. V. Chistyakov c , 	
E. A. Kognovitskaya ab , 	
A. V. Lyutetskiy a , 	
S. O. Slipchenko a , 	
N. A. Pikhtin a , 	
A. G. Gladyshev d , 	
D. V. Denisov b , 	
K. O. Voropaev ef , 	
A. S. Ionov e , 	
A. V. Babichev cd , 	
I. I. Novikov acd , 	
L. Ya. Karachinsky acd , 	
V. I. Kuchinskii a , 	
A. Yu. Egorov c , 	
G. S. Sokolovskii a a Ioffe Institute, St. Petersburg b St. Petersburg Electrotechnical University c St. Petersburg State University of Information Technologies, Mechanics and Optics d Connector Optics LLC, St. Petersburg e JSC OKB-Planeta, Velikii Novgorod, Russia f Yaroslav-the-Wise Novgorod State University Abstract: 
			A technique for the development of high-coupling distributed-feedback (DFB) lasers for the 1.55 μm spectral region is described. The lasers demonstrate stable single-frequency generation in a broad temperature range with a maximum side-mode suppression ratio of more than 30 dB.	
			
Keywords: 
			distributed feedback, single-frequency lasing, side-mode suppression ratio, semiconductor laser. 	Received:  25.07.2019	
	        
 
	        	
	        	
	
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