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  4. Reconfigurable optical generation of nine Nyquist WDM channels with sinc-shaped temporal pulse trains using a single microresonator-based Kerr frequency comb
 
research article

Reconfigurable optical generation of nine Nyquist WDM channels with sinc-shaped temporal pulse trains using a single microresonator-based Kerr frequency comb

Alishahi, Fatemeh
•
Fallahpour, Ahmad
•
Mohajerin-Ariaei, Amirhossein
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April 1, 2019
Optics Letters

Sinc-shaped temporal pulse trains have a spectrally efficient, rectangular Nyquist spectrum. We demonstrate the simultaneous and reconfigurable optical generation of multiple Nyquist-shaped wavelength-division-multiplexed (WDM) channels having temporal sinc-shaped pulse trains as data carriers. The channels are generated through the insertion of coherent lines using cascaded continuous-wave amplitude modulation around the spectral lines of a microresonator-based Kerr optical frequency comb. For each of nine Kerr frequency comb lines, we insert sub-groups of uniform and coherent lines to generate nine WDM channels. The deviations from ideal Nyquist pulses for the nine channels at repetition rates of 6 and 2 GHz are between 4.2%-6.1% and 2%-4.5%, respectively. Each WDM channel is modulated with on-off keying (OOK) at 6 Gbit/s. In addition, we show the reconfigurability of this method by varying the number of WDM channels, the generated sinc-shaped pulse train repetition rates, the duration, and the number of zero-crossings. (C) 2019 Optical Society of America

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Type
research article
DOI
10.1364/OL.44.001852
Web of Science ID

WOS:000462839600083

Author(s)
Alishahi, Fatemeh
Fallahpour, Ahmad
Mohajerin-Ariaei, Amirhossein
Cao, Yinwen
Kordts, Arne  
Pfeiffer, Martin Hubert Peter  
Karpov, Maxim  
Almaiman, Ahmed
Liao, Peicheng
Zou, Kaiheng
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Date Issued

2019-04-01

Publisher

OPTICAL SOC AMER

Published in
Optics Letters
Volume

44

Issue

7

Start page

1852

End page

1855

Subjects

Optics

•

Optics

•

transmission

•

gbit/s

•

ofdm

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LPQM  
Available on Infoscience
June 18, 2019
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/157734
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