VCSEL Based Coherent PONs

We present a review of research performed in the area of coherent access technologies employing vertical cavity surface emitting lasers (VCSELs). Experimental demonstrations of optical transmission over a passive fiber link with coherent detection using VCSEL local oscillators and directly modulated...

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Bibliographic Details
Published in:Journal of lightwave technology 2014-04, Vol.32 (8), p.1423-1433
Main Authors: Jensen, Jesper Bevensee, Rodes, Roberto, Caballero, Antonio, Ning Cheng, Zibar, Darko, Monroy, Idelfonso Tafur
Format: Article
Language:English
Subjects:
Access networks
Applied sciences
Circuit properties
Coherence
coherent detection
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Integrated optics. Optical fibers and wave guides
Lasers
Optical and optoelectronic circuits
optical communication systems
Optical fiber communications
Optical modulation
Optical receivers
Optical signal processing
Optical telecommunications
Optical transmitters
Optics
Passive optical networks
passive optical networks (PONs)
Physics
Semiconductor lasers
laser diodes
Systems, networks and services of telecommunications
Telecommunications
Telecommunications and information theory
Transmission and modulation (techniques and equipments)
Vertical cavity surface emitting lasers
vertical cavity surface emitting lasers (VCSEL)
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Summary:We present a review of research performed in the area of coherent access technologies employing vertical cavity surface emitting lasers (VCSELs). Experimental demonstrations of optical transmission over a passive fiber link with coherent detection using VCSEL local oscillators and directly modulated VCSEL transmitters at bit rates up to 10 Gbps in the C-band as well as in the O-band are presented. The broad linewidth and frequency chirp associated with directly modulated VCSELs are utilized in an envelope detection receiver scheme which is demonstrated digitally (off-line) as well as analog (real-time). Additionally, it is shown that in the optical front-end of a coherent receiver for access networks, the 90 ° hybrid can be replaced by a 3-dB coupler. The achieved results show that VCSELs are attractive light source candidates for transmitter as well as local oscillator for coherent detection PONs.
ISSN:0733-8724
1558-2213
DOI:10.1109/JLT.2014.2305572