30 Gbit/s PAM4 transmission using an 8-GHz directly modulated multi-section laser

30 Gbit/s PAM4 transmission using an 8-GHz directly modulated multi-section laser

This paper describes the characterization of a novel directly modulated multi-section laser with a master-slave configuration. Amplitude and phase noise measurements show relative intensity noise values of around −150 dB/Hz and a 3-dB linewidth of around 3 MHz. The laser’s suitability for optical ac...

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Veröffentlicht in:Optics express 2022-06, Vol.30 (12), p.20194-20202
Hauptverfasser: Troncoso Costas, Marcos, Reza, Ahmed Galib, Putta, Hima, Sharma, Ankit, Jain, Gaurav, Smyth, Mark, Smyth, Frank, MacDougall, John, Browning, Colm, Diaz Otero, Francisco, Barry, Liam
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container_end_page 20202
container_issue 12
container_start_page 20194
container_title Optics express
container_volume 30
creator Troncoso Costas, Marcos
Reza, Ahmed Galib
Putta, Hima
Sharma, Ankit
Jain, Gaurav
Smyth, Mark
Smyth, Frank
MacDougall, John
Browning, Colm
Diaz Otero, Francisco
Barry, Liam
description This paper describes the characterization of a novel directly modulated multi-section laser with a master-slave configuration. Amplitude and phase noise measurements show relative intensity noise values of around −150 dB/Hz and a 3-dB linewidth of around 3 MHz. The laser’s suitability for optical access networks, enabled by the chirp reduction from the external injection locking, is shown by demonstrating unamplified 30 Gbit/s C-band transmission over 25 km and 50 km of single mode fiber using PAM4, as well as 30 Gbit/s PAM4 and PAM8 amplified transmission over 75 km.
doi_str_mv 10.1364/OE.457603
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title 30 Gbit/s PAM4 transmission using an 8-GHz directly modulated multi-section laser
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