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Authors: Xiaoyong Chen and Paloma R. Horche

Affiliation: Universidad Politécnica de Madrid, Spain

ISBN: 978-989-758-092-5

Keyword(s): Optical Fiber Communication, Optical Receiver, Differential Phase Shift Keying, Multimode Fiber, Modal Interference, Mach-Zehnder Interferometer.

Related Ontology Subjects/Areas/Topics: Fiber Optics ; Optical Communications and Networking ; Optics ; Photonics, Optics and Laser Technology

Abstract: Differential phase shift keying (DPSK) signal has been shown as a robust solution for next-generation optical transmission systems. One key device enabling such systems is the delay interferometer, converting a phase signal into an intensity modulated signal to be detected by a photodiode. Usually, a Mach-Zehnder interferometer (MZI) is used for DPSK signals demodulation. In this work, we develop an alternative all-fiber MZI, which is based on a graded-index multimode fiber (MMF) mismatch spliced between two single-mode fibers. Interferometer performance is analyzed through both theory and experiment. Experimental results of transmission spectrums show that interference extinction ratio as high as 18 dB is obtained. Finally, we demonstrate, through simulation, that our proposed all-fiber MZI can be used for DPSK signals demodulation. Receiver sensitivity of -22.5 dBm at a bit error rate of 10-15 is obtained in the simulation for detecting a 40 Gbps DPSK signal, which is 1.3±0.2 dB pen alty compared to the conventional receiver. (More)

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Paper citation in several formats:
Chen, X. and R. Horche, P. (2015). DPSK Signals Demodulation Based on a Graded-index Multimode Fiber Mismatch Spliced between Two Single-mode Fibers.In Proceedings of the 3rd International Conference on Photonics, Optics and Laser Technology - Volume 1: PHOTOPTICS, ISBN 978-989-758-092-5, pages 13-19. DOI: 10.5220/0005332500130019

@conference{photoptics15,
author={Xiaoyong Chen. and Paloma R. Horche.},
title={DPSK Signals Demodulation Based on a Graded-index Multimode Fiber Mismatch Spliced between Two Single-mode Fibers},
booktitle={Proceedings of the 3rd International Conference on Photonics, Optics and Laser Technology - Volume 1: PHOTOPTICS,},
year={2015},
pages={13-19},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005332500130019},
isbn={978-989-758-092-5},
}

TY - CONF

JO - Proceedings of the 3rd International Conference on Photonics, Optics and Laser Technology - Volume 1: PHOTOPTICS,
TI - DPSK Signals Demodulation Based on a Graded-index Multimode Fiber Mismatch Spliced between Two Single-mode Fibers
SN - 978-989-758-092-5
AU - Chen, X.
AU - R. Horche, P.
PY - 2015
SP - 13
EP - 19
DO - 10.5220/0005332500130019

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