Characterization of asymmetric filtered 40 Gb/s RZ-DPSK system-strong filtering considerations

Olubodun, Olugbenga and Doran, Nick (2011). Characterization of asymmetric filtered 40 Gb/s RZ-DPSK system-strong filtering considerations. Optics communications, 284 (22), pp. 5259-5262.

Abstract

We present the impact of frequency offsetting of strong (e.g. 35 GHz) optical filters on the performance of 42.7 Gb/s 50% RZ-DPSK systems. The performance is evaluated when offsetting the filter by substantial amounts and it is found that with an offset of almost half the bit rate there is a significant improvement in the calculated 'Q' (> 1 dB). We deployed balanced, constructive single ended and destructive single ended detection, so that we could investigate the physical origins of the penalty reduction of asymmetric filtering of 42.7 Gb/s 50% RZ-DPSK system.

Uncontrolled Keywords: DPSK, 50GHz grid, MZI
Published Date: 2011-10-15
Authors: Olubodun, Olugbenga
Doran, Nick

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