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The effect of complex coupling coefficients on distributed feedback lasers

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3 Author(s)
E. Kapon ; Tel-Aviv University, Tel-Aviv, Israel ; A. Hardy ; A. Katzir

The effect of complex coupling coefficients on the performance of distributed feedback (DFB) lasers is studied. The physical origins of a complex coupling coefficient are specified, and its relation with gain or loss mechanisms which occur inside the laser is discussed. Numerical results are presented for the oscillation frequencies, threshold gains, and intensity patterns of the longitudinal modes of the DFB laser.

Published in:

IEEE Journal of Quantum Electronics  (Volume:18 ,  Issue: 1 )