Abstract:Abstract-A commercially available digital supermode distributed Bragg reflector tunable laser is employed as a fast wavelength switching local oscillator (LO) in a dual polarization (DP) 16-quadrature amplitude modulation (16QAM) coherent burst mode receiver. A digital coherence enhancement technique is used to compensate both the Lorentzian and non-Lorentzian distributed phase noise of the tunable LO laser. It is shown that differential decoding is not sufficient to overcome the substantial bit errors caused … Show more
The recent progress in fast wavelength switching transceivers for bandwidth on demand coherent optical networks is outlined and several techniques employed to mitigate the effects of tuneable laser FM noise are presented.
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