Digital signal processing approaches for semiconductor phase noise tolerant coherent transmission systems

Miguel Iglesias Olmedo; Xiaodan Pang; Richard Schatz; Darko Zibar; Idelfonso  Tafur Monroy; Gunnar Jacobsen; Sergei Popov

doi:10.1117/12.2078408

Digital signal processing approaches for semiconductor phase noise tolerant coherent transmission systems

Miguel Iglesias Olmedo, Xiaodan Pang, Richard Schatz, Darko Zibar, Idelfonso Tafur Monroy, Gunnar Jacobsen, Sergei Popov

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

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Abstract

We discuss about digital signal processing approaches that can enable coherent links based on semiconductor lasers. A state-of-the art analysis on different carrier-phase recovery (CPR) techniques is presented. We show that these techniques are based on the assumption of lorentzian linewidth, which does not hold for monolithically integrated semiconductor lasers. We investigate the impact of such lineshape on both 3 and 20 dB linewidth and experimentally conduct a systematic study for 56-GBaud DP-QPSK and 28-GBaud DP-16QAM systems using a decision directed phase look loop algorithm. We show how carrier induced frequency noise has no impact on linewidth but a significant impact on system performance; which rises the question on whether 3-dB linewidth should be used as performance estimator for semiconductor lasers.

Original language	English
Title of host publication	Proceedings of the SPIE
Number of pages	7
Volume	9388
Publisher	SPIE - International Society for Optical Engineering
Publication date	2015
Article number	93880A
DOIs	https://doi.org/10.1117/12.2078408
Publication status	Published - 2015
Event	SPIE Photonics West OPTO 2015 - The Moscone Center, San Francisco, United States Duration: 7 Feb 2015 → 12 Feb 2015 Conference number: 9388

Conference

Conference	SPIE Photonics West OPTO 2015
Number	9388
Location	The Moscone Center
Country/Territory	United States
City	San Francisco
Period	07/02/2015 → 12/02/2015

Series	Proceedings of SPIE - The International Society for Optical Engineering
ISSN	0277-786X

Bibliographical note

Copyright 2015 Society of Photo Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic electronic or print reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.

Keywords

Optical communications
Coherent communications
Phase Noise

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title = "Digital signal processing approaches for semiconductor phase noise tolerant coherent transmission systems",

abstract = "We discuss about digital signal processing approaches that can enable coherent links based on semiconductor lasers. A state-of-the art analysis on different carrier-phase recovery (CPR) techniques is presented. We show that these techniques are based on the assumption of lorentzian linewidth, which does not hold for monolithically integrated semiconductor lasers. We investigate the impact of such lineshape on both 3 and 20 dB linewidth and experimentally conduct a systematic study for 56-GBaud DP-QPSK and 28-GBaud DP-16QAM systems using a decision directed phase look loop algorithm. We show how carrier induced frequency noise has no impact on linewidth but a significant impact on system performance; which rises the question on whether 3-dB linewidth should be used as performance estimator for semiconductor lasers.",

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Iglesias Olmedo, M, Pang, X, Schatz, R, Zibar, D, Tafur Monroy, I, Jacobsen, G & Popov, S 2015, Digital signal processing approaches for semiconductor phase noise tolerant coherent transmission systems. in Proceedings of the SPIE. vol. 9388, 93880A, SPIE - International Society for Optical Engineering, Proceedings of SPIE - The International Society for Optical Engineering, SPIE Photonics West OPTO 2015, San Francisco, California, United States, 07/02/2015. https://doi.org/10.1117/12.2078408

Digital signal processing approaches for semiconductor phase noise tolerant coherent transmission systems. / Iglesias Olmedo, Miguel; Pang, Xiaodan; Schatz, Richard et al.
Proceedings of the SPIE. Vol. 9388 SPIE - International Society for Optical Engineering, 2015. 93880A (Proceedings of SPIE - The International Society for Optical Engineering).

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

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AB - We discuss about digital signal processing approaches that can enable coherent links based on semiconductor lasers. A state-of-the art analysis on different carrier-phase recovery (CPR) techniques is presented. We show that these techniques are based on the assumption of lorentzian linewidth, which does not hold for monolithically integrated semiconductor lasers. We investigate the impact of such lineshape on both 3 and 20 dB linewidth and experimentally conduct a systematic study for 56-GBaud DP-QPSK and 28-GBaud DP-16QAM systems using a decision directed phase look loop algorithm. We show how carrier induced frequency noise has no impact on linewidth but a significant impact on system performance; which rises the question on whether 3-dB linewidth should be used as performance estimator for semiconductor lasers.

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Iglesias Olmedo M, Pang X, Schatz R, Zibar D, Tafur Monroy I, Jacobsen G et al. Digital signal processing approaches for semiconductor phase noise tolerant coherent transmission systems. In Proceedings of the SPIE. Vol. 9388. SPIE - International Society for Optical Engineering. 2015. 93880A. (Proceedings of SPIE - The International Society for Optical Engineering). doi: 10.1117/12.2078408

Digital signal processing approaches for semiconductor phase noise tolerant coherent transmission systems

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