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Proceedings Paper

20-Gb/s direct modulation of 980 nm VCSELs based on submonolayer deposition of quantum dots
Author(s): F. Hopfer; A, Mutig; G. Fiol; M. Kuntz; S. S. Mikhrin; I. L. Krestnikov; D. A. Livshits; A. R. Kovsh; C. Bornholdt; V. Shchukin; N. N. Ledentsov; V. Gaysler; N. D. Zakharov; P. Werner; D. Bimberg
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Paper Abstract

980 nm vertical-cavity surface-emitting laser based on sub-monolayer growth of quantum dots show at 25 and 85°C for 20 Gb/s without current adjustment clearly open eyes and error free operation with bit error rates better than 10-12. For these multimode lasers the small signal modulation bandwidth decreases only from 15 GHz at 25°C to 13 GHz at 85°C. Single mode devices demonstrate at 20°C a small signal modulation bandwidth of 16.6 GHz with 0.8 mW optical output power and a record high modulation current efficiency factor of 19 GHz/mA1/2.

Paper Details

Date Published: 6 July 2006
PDF: 7 pages
Proc. SPIE 6350, Workshop on Optical Components for Broadband Communication, 635003 (6 July 2006); doi: 10.1117/12.693006
Show Author Affiliations
F. Hopfer, Technische Univ. Berlin (Germany)
A, Mutig, Technische Univ. Berlin (Germany)
G. Fiol, Technische Univ. Berlin (Germany)
M. Kuntz, Technische Univ. Berlin (Germany)
S. S. Mikhrin, NL Nanosemiconductor GmbH (Germany)
I. L. Krestnikov, NL Nanosemiconductor GmbH (Germany)
D. A. Livshits, NL Nanosemiconductor GmbH (Germany)
A. R. Kovsh, NL Nanosemiconductor GmbH (Germany)
C. Bornholdt, Fraunhofer Institut für Nachrichtentechnik, Heinrich-Hertz-Institut (Germany)
V. Shchukin, Technische Univ. Berlin (Germany)
N. N. Ledentsov, Technische Univ. Berlin (Germany)
V. Gaysler, Technische Univ. Berlin (Germany)
N. D. Zakharov, Max-Planck-Institut für Mikrostrukturphysik (Germany)
P. Werner, Max-Planck-Institut für Mikrostrukturphysik (Germany)
D. Bimberg, Technische Univ. Berlin (Germany)


Published in SPIE Proceedings Vol. 6350:
Workshop on Optical Components for Broadband Communication
Pierre-Yves Fonjallaz; Thomas P. Pearsall, Editor(s)

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