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- Grabowski, Alexander,1993Chalmers tekniska högskola,Chalmers University of Technology (author)
Large-Signal Equivalent Circuit for Datacom VCSELs – Including Intensity Noise
- Article/chapterEnglish2022
Publisher, publication year, extent ...
- 2022
- electronicrdacarrier
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- LIBRIS-ID:oai:research.chalmers.se:25973cdd-9cec-44e9-816d-eff133ce2627
- https://doi.org/10.1109/JLT.2022.3200905DOI
- https://research.chalmers.se/publication/532186URI
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- Language:English
- Summary in:English
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Notes
- Optical interconnects (OIs) continue to require more and more sophisticated driver and receiver electronics as higher baud rates are pushed in datacom, mainly due to the bandwidth stagnation of the optoelectronic components such as the vertical-cavity surface-emitting laser (VCSEL) in the transmitter as well as the photodetector (PD) in the receiver. Another important focus is maintaining high energy efficiency for the OIs. For both cases, a reliable equivalent circuit model for high-speed VCSELs is required for link optimization. This work is an extension of our previously presented large-signal VCSEL equivalent circuit model, where noise is added to the physical processes that the VCSEL model is based on. Thus, a new step is taken in the strive of developing an even more accurate physics-based large-signal VCSEL equivalent circuit model for datacom applications. Following a detailed description of the VCSEL noise modelling, a presentation is given on simulated results of VCSEL relative intensity noise (RIN) spectrum and eye diagrams under 28 Gbaud on-off keying (OOK) and pulse-amplitude 4 (PAM4) modulation, and that are compared with corresponding measurement results. Good agreement is found over a wide range of VCSEL driving conditions and temperatures. A 28-GHz-bandwidth VCSEL is applied for the demonstration, and the presented noise extended VCSEL equivalent circuit model was implemented in Verilog-A, and the simulations were performed using Cadence Spectre.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Elektroteknik och elektronik Telekommunikation hsv//swe
- ENGINEERING AND TECHNOLOGY Electrical Engineering, Electronic Engineering, Information Engineering Telecommunications hsv//eng
- NATURVETENSKAP Fysik Atom- och molekylfysik och optik hsv//swe
- NATURAL SCIENCES Physical Sciences Atom and Molecular Physics and Optics hsv//eng
- TEKNIK OCH TEKNOLOGIER Elektroteknik och elektronik Kommunikationssystem hsv//swe
- ENGINEERING AND TECHNOLOGY Electrical Engineering, Electronic Engineering, Information Engineering Communication Systems hsv//eng
- TEKNIK OCH TEKNOLOGIER Elektroteknik och elektronik Annan elektroteknik och elektronik hsv//swe
- ENGINEERING AND TECHNOLOGY Electrical Engineering, Electronic Engineering, Information Engineering Other Electrical Engineering, Electronic Engineering, Information Engineering hsv//eng
- NATURVETENSKAP Fysik Den kondenserade materiens fysik hsv//swe
- NATURAL SCIENCES Physical Sciences Condensed Matter Physics hsv//eng
- Noise measurement
- Semiconductor device modeling
- Temperature measurement
- Data communication
- Modulation
- Semiconductor device noise
- White noise
- Integrated circuit modeling
- Equivalent circuits
- Semiconductor lasers
- Stochastic processes
- Vertical cavity surface emitting lasers
Added entries (persons, corporate bodies, meetings, titles ...)
- Gustavsson, Johan,1974Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)johangus (author)
- Larsson, Anders,1957Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)andersla (author)
- Chalmers tekniska högskola (creator_code:org_t)
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- In:Journal of Lightwave Technology40, s. 1-90733-87241558-2213
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