First demonstration of high-order QAM signal amplification in PPLN-based phase sensitive amplifier

We achieved 16QAM signal amplification using a PPLN-based PSA with high gain linearity. Phase noise cancellation and an improved SNR were successfully demonstrated. The applicability of the amplification of multi-carrier signals and two orthogonally-polarized signals was also confirmed toward ultra-...

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Bibliographic Details
Published in:	39th European Conference and Exhibition on Optical Communication (ECOC 2013) pp. 1227 - 1229
Main Authors:	Umeki, T, Tadanaga, O, Asobe, M, Miyamoto, Y, Takenouchi, H
Format:	Conference Proceeding
Language:	English
Published:	Stevenage, UK IET 2013 The Institution of Engineering & Technology
Subjects:	Amplifiers Modulation and coding methods Optical information, image formation and analysis Optical, image and video signal processing orthogonally-polarized signals ultrahigh spectrally efficient signal amplification phase noise cancellation LiNbO3 lithium compounds quadrature amplitude modulation optical information processing high-order QAM signal amplification amplification high gain linearity amplifiers PPLN-based phase sensitive amplifier periodically poled lithium niobate optical noise phase noise multicarrier signals
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Summary:	We achieved 16QAM signal amplification using a PPLN-based PSA with high gain linearity. Phase noise cancellation and an improved SNR were successfully demonstrated. The applicability of the amplification of multi-carrier signals and two orthogonally-polarized signals was also confirmed toward ultra-high spectrally efficient signal amplification.
ISBN:	1849197598 9781849197595
DOI:	10.1049/cp.2013.1682