Mach-Zehnder interferometer based on all-fiber multimode interference device for DPSK signal demodulation

Chen, Xiaoyong and García Regodon, David and Martín Minguez, Alfredo and Rodriguez Horche, Paloma (2013). Mach-Zehnder interferometer based on all-fiber multimode interference device for DPSK signal demodulation. In: "XXVIII Simposium Nacional de la Unión Científica Internacional de Radio (URSI 2013)", 11/09/2013 - 13/09/2013, Santiago de Compostela, Spain. pp. 1-14.

Description

Title: Mach-Zehnder interferometer based on all-fiber multimode interference device for DPSK signal demodulation
Author/s:
  • Chen, Xiaoyong
  • García Regodon, David
  • Martín Minguez, Alfredo
  • Rodriguez Horche, Paloma
Item Type: Presentation at Congress or Conference (Article)
Event Title: XXVIII Simposium Nacional de la Unión Científica Internacional de Radio (URSI 2013)
Event Dates: 11/09/2013 - 13/09/2013
Event Location: Santiago de Compostela, Spain
Title of Book: XXVIII Simposium Nacional de la Unión Científica Internacional de Radio (URSI 2013)
Date: 2013
Subjects:
Faculty: E.T.S.I. Telecomunicación (UPM)
Department: Tecnología Electrónica [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Differential Phase Shift Keying (DPSK) modulation format has been shown as a robust solution for next-generation optical transmission systems. One key device enabling such systems is the delay interferometer, converting the signal phase information into intensity modulation to be detected by the photodiodes. Usually, Mach-Zehnder interferometer (MZI) is used for demodulating DPSK signals. In this paper, we developed an MZI which is based on all-fiber Multimode Interference (MI) structure: a multimode fiber (MMF) located between two single-mode fibers (SMF) without any transition zones. The standard MZI is not very stable since the two beams go through two different paths before they recombine. In our design the two arms of the MZI are in the same fiber, which will make it less temperature-sensitive than the standard MZI. Performance of such MZI will be analyzed from transmission spectrum. Finally such all-fiber MI-based MZI (MI-MZI) is used to demodulate 10 Gbps DPSK signals. The demodulated signals are analyzed from eye diagram and bit error rate (BER).

More information

Item ID: 33281
DC Identifier: http://oa.upm.es/33281/
OAI Identifier: oai:oa.upm.es:33281
Official URL: http://www.ursi2013.org/comunicaciones/docs/161.pdf
Deposited by: Memoria Investigacion
Deposited on: 21 Jan 2015 16:53
Last Modified: 21 Jan 2015 17:47
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