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On the use of digital predistortion to compensate the nonlinear effects of semiconductor optical amplifiers

Stéphane Azou 1, 2 Serban Bejan 3, 4 Pascal Morel 2, 1 Chérif El Valid Diouf 5, 3 Ammar Sharaiha 3, 1 Mihai Telescu 5, 3 Noël Tanguy 3, 6
1 Lab-STICC_ENIB_ MOM_DIM
Lab-STICC - Laboratoire des sciences et techniques de l'information, de la communication et de la connaissance
5 Lab-STICC_UBO_MOM_PIM
Lab-STICC - Laboratoire des sciences et techniques de l'information, de la communication et de la connaissance, UBO - Université de Brest
6 Lab-STICC_UBO_MOM_PIM
IBNM - Institut Brestois du Numérique et des Mathématiques, Lab-STICC - Laboratoire des sciences et techniques de l'information, de la communication et de la connaissance
Abstract : In this communication we use macro-modeling and signal processing techniques in order to compensate the nonlinear effects of a semiconductor optical amplifier (SOA) that is used in a CO-OFDM (coherent optical and orthogonal frequency-division multiplexing) optical transmitter. Two solutions are examined in detail: a peak-to-average power ratio (PAPR) reduction and a digital predistortion of the baseband signal before the optical amplification. These techniques are two complementary approaches that contribute to a better flexibility of the transmitter, which can thus operate over an extended power range.
Complete list of metadatas

https://hal.univ-brest.fr/hal-01342086
Contributor : Noël Tanguy <>
Submitted on : Tuesday, July 5, 2016 - 1:56:03 PM
Last modification on : Wednesday, June 24, 2020 - 4:19:43 PM

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Stéphane Azou, Serban Bejan, Pascal Morel, Chérif El Valid Diouf, Ammar Sharaiha, et al.. On the use of digital predistortion to compensate the nonlinear effects of semiconductor optical amplifiers. 20th IEEE Workshop on Signal and Power Integrity (SPI), May 2016, Turin, Italy. ⟨10.1109/SaPIW.2016.7496281⟩. ⟨hal-01342086⟩

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