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Study of the Multiwavelength DFB Semiconductor Laser Array Based on the Reconstruction-Equivalent-Chirp Technique

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12 Author(s)
Yuechun Shi ; Nat. Lab. of Solid State Microstructures, Nanjing Univ., Nanjing, China ; Simin Li ; Lianyan Li ; Renjia Guo
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A detailed theoretical analysis of the lasing wavelength precision of the DFB laser array based on a reconstruction-equivalent-chirp (REC) technique is presented. Experimental results of the eight-wavelength DFB laser array with equivalent π phase shift (π-EPS) and four-wavelength DFB laser array with equivalent three shifts are also given. High lasing wavelength precision was obtained. This paper demonstrates that the REC technique is a promising way for fabricating the multiwavelength DFB laser array with low cost and high yield.

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Lightwave Technology, Journal of  (Volume:31 ,  Issue: 20 )