Sökning: onr:"swepub:oai:research.chalmers.se:3a28758c-e1dc-446a-b6c5-5c7a4f809a01" >
High speed, low cur...
High speed, low current density 850 nm VCSELs
-
- Westbergh, Petter, 1981 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
-
- Gustavsson, Johan, 1974 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
-
- Haglund, Åsa, 1976 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
-
visa fler...
-
- Sköld, Mats, 1977 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
-
Joel, Andrew (författare)
-
- Larsson, Anders, 1957 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
-
visa färre...
-
(creator_code:org_t)
- 2009
- 2009
- Engelska.
-
Ingår i: IEEE Journal of Selected Topics in Quantum Electronics. - 1558-4542 .- 1077-260X. ; 15:3, s. 694-703
- Relaterad länk:
-
https://research.cha...
-
visa fler...
-
https://doi.org/10.1...
-
visa färre...
Abstract
Ämnesord
Stäng
- We report on the design, fabrication, and evaluation of large-aperture, oxide-confined 850 nm vertical cavity surface emitting lasers (VCSELs) with high modulation bandwidth at low current densities. We also compare the use of InGaAs and GaAs quantum wells (QWs) in the active region. Both VCSELs reach an output power of 9 mW at room temperature, with a thermal resistance of 1.9deg C/mW. The use of InGaAs QWs improves the high-speed performance and enables a small-signal modulation bandwidth of 20 GHz at 25degC and 15 GHz at 85degC. At a constant bias current density of only 11 kA/cm2, we generate open eyes under large-signal modulation at bit rates up to 25 Gbit/s at 85degC and 30 Gbit/s at 55degC.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Telekommunikation (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Telecommunications (hsv//eng)
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
Hitta via bibliotek
Till lärosätets databas