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HARMANPREET KAUR SANDHU1, R. S. KALER1,*
In this paper, the multilevel modulation format, Polarization multiplexed differential quadrature phase-shift keying has been investigated by means of numerical simulations. The performance of transmission of 112 Gb/s dual carrier PolMux NRZ-DQPSK is compared with that of dual carrier PolMux RZ-DQPSK systems over 20 km of standard single mode fiber with respect to changes in state of polarization. It is observed that PolMux NRZ-DQPSK systems gives an improvement of 1.25 dB in OSNR for BER is 10−3 than PolMux RZ-DQPSK system and the frequency spectrum of PolMux NRZ-DQPSK signal is much narrower than PolMux RZ-DQPSK signal at the receiver side. Also, proposed PolMux NRZ-DQPSK system gives better results for compensation of chromatic dispersion and enhanced equalization phase noise than PolMux RZ-DQPSK communication system..
Multi-level modulation formats, Polarization multiplexing, Differential quadrature shift keying (DQPSK), Optical fiber polarization, Polarization mode dispersion (PMD).
HARMANPREET KAUR SANDHU, R. S. KALER, Transmission of 112 Gb/s dual carrier PolMux DQPSK system, Optoelectronics and Advanced Materials - Rapid Communications, 11, 7-8, July-August 2017, pp.446-451 (2017).
Submitted at: Oct. 16, 2016
Accepted at: Aug. 9, 2017
Optoelectronics and Advanced Materials - Rapid Communications
(2023): 0.5 - 2023 Journal Citation Reports (Clarivate Analytics, 2024)
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