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Experimental demonstration of modulation bandwidth enhancement in distributed feedback lasers with external light injection

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3 Author(s)
Xue Jun Meng ; Dept. of Electr. Eng., California Univ., Los Angeles, CA, USA ; Tai Chau ; M. C. Wu

The frequency response of a semiconductor distributed feedback (DFB) laser under optical injection locking has been studied experimentally. It is shown that strong injection locking is very effective at increasing the relaxation oscillation frequency of DFB lasers. Bandwidth enhancement as high as 3.7 times has been achieved for the first time

Published in:

Electronics Letters  (Volume:34 ,  Issue: 21 )