NDLI: High Performance InAs/<formula formulatype=inline><tex Notation=TeX>${rm In}_{0.53}{rm Ga}_{0.23}{rm Al}_{0.24}{rm As}$</tex></formula>/InP Quantum Dot 1.55 <formula formulatype=inline><tex Notation=TeX>$mu{rm m}$</tex></formula> Tunnel Injection Laser

Content Provider	IEEE Xplore Digital Library
Author	Bhowmick, S. Baten, M.Z. Frost, T. Ooi, B.S. Bhattacharya, P.
Copyright Year	1965
Abstract	The characteristics of 1.55 μm InAs self-organized quantum-dot lasers, grown on (001) InP substrates by molecular beam epitaxy, have been investigated. Modulation doping of the dots with holes and tunnel injection of electrons have been incorporated in the design of the active (gain) region of the laser heterostructure. Large values of To=227 K (5^°C ≤ T ≤ 45^°C) and 100 K were derived from temperature dependent measurements of the light-current characteristics. The modal gain per dot layer is 14.5 cm^-1 and the differential gain derived from both light-current and small-signal modulation measurements is ~ 0.8×10^-15 cm². The maximum measured -3 dB small-signal modulation bandwidth is 14.4 GHz and the gain compression factor is 5.4×10^-17 cm². The lasers are characterized by a chirp of 0.6 Å for a modulation frequency of 10 GHz and a near zero α-parameter at the peak of the laser emission. These characteristics are amongst the best from any 1.55 μm edge-emitting semiconductor laser.
Sponsorship	IEEE Lasers and Electro-Optics Society
Starting Page	7
Ending Page	14
Page Count	8
File Size	1751232
File Format	PDF
ISSN	00189197
Volume Number	50
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Quantum dot lasers Measurement by laser beam Temperature measurement Modulation Waveguide lasers Quantum dots differential gain Quantum dot laser molecular beam epitaxy tunnel injection small-signal characteristics
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

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