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Transmission of M-QAM signals using an unisolated DFB laser

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4 Author(s)
Woodward, S.L. ; AT&T Lab., Red Bank, NJ, USA ; Chesnutt, A.E. ; Gnauck, A.H. ; Lu, X.

We examine the transmission of M-ary quadrature-amplitude modulated (M-QAM) signals using an unisolated distributed-feedback (DFB) laser. Since forward-error-correction is readily available, it is employed in the experiments. We demonstrate that unisolated DFB's can transmit over 80 64-QAM channels; these could carry 500 compressed video channels.

Published in:

Photonics Technology Letters, IEEE  (Volume:10 ,  Issue: 11 )

Date of Publication:

Nov. 1998

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