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Title: Subtraction-clustering-based modulation format identification in stokes space
Authors: Chen, PY
Liu, J
Wu, X
Zhong, KP 
Mai, XF
Keywords: Coherent detection
Modulation format identification (MFI)
Polarization multiplexing
Optical fiber communication
Stokes space
Subtraction clustering
Issue Date: 2017
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE photonics technology letters, 2017, v. 25, no. 17, p. 1439-1442 How to cite?
Journal: IEEE photonics technology letters 
Abstract: A Stokes-space-based modulation format identification (MFI) technique with low complexity is proposed for coherent optical receivers, on the basis of the subtraction clustering algorithm. Successful MFI with good optical signal-to-noise ratio performance can be realized among polarization-multiplexed BPSK, QPSK, 8PSK, 8QAM, and 16QAM signals. Experimental verifications are also performed to prove the feasibility of the proposed MFI in long-distance optical fiber transmission systems.
ISSN: 1041-1135
EISSN: 1941-0174
DOI: 10.1109/LPT.2017.2723606
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