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http://hdl.handle.net/10397/6534
| Title: | Analysis of signed chromatic dispersion monitoring by waveform asymmetry for differentially-coherent phase-modulated systems | Authors: | Lau, APT Li, Z Khan, FN Lu, C Wai, PKA |
Issue Date: | 28-Feb-2011 | Source: | Optics express, 28 Feb. 2011, v. 19, no. 5, p. 4147-4156 | Abstract: | We analytically study received waveform asymmetries induced by chromatic dispersion (CD) for signed CD monitoring in differential quadrature phase-shift keying (DQPSK) systems and show that the asymmetries are results of differential detection and the ±π/4 phase shifters used in conventional DQPSK receivers. The theoretical insights developed help explain various published results on signed CD monitoring based on waveform asymmetries and allow us to further propose signed CD monitoring for differential eight phase-shift keying (D8PSK) systems without any modification to the receiver. Simulation results also show that the CD-induced waveform asymmetric features are preserved in presence of self-phase modulation (SPM) and polarization-mode dispersion (PMD). | Keywords: | Chromatic dispersion Phase shift Quadrature phase shift keying |
Publisher: | Optical Society of America | Journal: | Optics express | EISSN: | 1094-4087 | DOI: | 10.1364/OE.19.004147 | Rights: | © 2011 Optical Society of America. This paper was published in Optics express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/abstract.cfm?URI=oe-19-5-4147. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law. |
| Appears in Collections: | Journal/Magazine Article |
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| File | Description | Size | Format | |
|---|---|---|---|---|
| Lau_Chromatic_Dispersion_Waveform.pdf | 4.18 MB | Adobe PDF | View/Open |
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