Compensation of Mode Crosstalk in MDM System Using Digital Optical Phase Conjugation

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We propose to utilize the digital optical phase conjugation (D-OPC) technique for the compensation of mode crosstalk in the mode-division-multiplexed (MDM) transmission system. To realize the D-OPC technique, we send the CW light from the receiver side, measure its wavefront at the transmitter side, and then, transmit the phase-conjugated signal to the receiver. By using this technique, we demonstrate the transmission of four LP modes, each carrying 10-Gb/s ON-OFF keying signals, over a 100-m long few-mode fiber link. These signals are detected by using direct-detection receivers with no electrical equalizer. The results show that, by applying the proposed D-OPC technique, we can achieve the bit-error rate of < 10(-3) for all four modes.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2019-05
Language
English
Article Type
Article
Citation

IEEE PHOTONICS TECHNOLOGY LETTERS, v.31, no.10, pp.739 - 742

ISSN
1041-1135
DOI
10.1109/LPT.2019.2906403
URI
http://hdl.handle.net/10203/262230
Appears in Collection
EE-Journal Papers(저널논문)
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