Sökning: id:"swepub:oai:research.chalmers.se:39a1e13c-2721-4c02-88a1-9b8f00117428" >
Impact of Damping o...
Impact of Damping on High-Speed Large Signal VCSEL Dynamics
-
- Haglund, Emanuel, 1988 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
-
- Westbergh, Petter, 1981 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
-
- Gustavsson, Johan, 1974 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
-
visa fler...
-
- Larsson, Anders, 1957 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
-
visa färre...
-
(creator_code:org_t)
- 2015
- 2015
- Engelska.
-
Ingår i: Journal of Lightwave Technology. - 0733-8724 .- 1558-2213. ; 33:4, s. 795 - 801
- Relaterad länk:
-
http://publications.... (primary) (free)
-
visa fler...
-
https://research.cha...
-
https://doi.org/10.1...
-
visa färre...
Abstract
Ämnesord
Stäng
- An investigation of the optimal relaxation oscillation damping for high-speed 850-nm vertical-cavity surface-emitting laser (VCSEL) under large signal operation is presented, using devices with K-factors ranging from 0.1 to 0.4 ns. Time-domain measurements of turn-on transients are used to quantify damping dependent rise times, overshoots, and signal amplitudes. Optical eye diagrams together with timing jitter and bit error rate measurements reveal a tradeoff between the rise time and the duration of the relaxation oscillations. To produce a high-quality eye at a specific data rate, a proper amount of damping is needed to simultaneously obtain sufficiently high bandwidth and low timing jitter. We found that for error-free transmission, a VCSEL with a 0.3 ns K-factor achieved the best receiver sensitivity at 10 and 25 Gb/s, whereas a less damped VCSEL with a 0.2 ns K-factor achieved the best sensitivity at 40 Gb/s.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Telekommunikation (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Telecommunications (hsv//eng)
Nyckelord
- high-speed modulation
- relaxation oscillation
- semiconductor lasers
- large signal modulation
- vertical cavity surface-emitting laser (VCSEL)
- photon lifetime
- Damping
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
Hitta via bibliotek
Till lärosätets databas