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Wolfgang Thulke

dblp:62/1449 · DBLP profile ↗
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1ranked-venue papers
0as first author
0since 2021 · last 1990
—ORCID · none

Domains — the database's venue-derived domains; a paper can count in several

Computer networks · 1

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Computer networks
1 paper
Optical networks · 67% Physical-layer communications · 33%

Topics — the 3 heaviest of 3, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Optical networks › optical transmitter
distributed feedback laser		 0.011990
Continuously Tunable Laser Diodes: Longitudinal Versus Transverse Tuning Scheme · IEEE J. Sel. Areas Commun. 1990
Physical-layer communications
optical communication		 0.011990
Continuously Tunable Laser Diodes: Longitudinal Versus Transverse Tuning Scheme · IEEE J. Sel. Areas Commun. 1990
Optical networks › photonic devices
tunable lasers		 0.011990
Continuously Tunable Laser Diodes: Longitudinal Versus Transverse Tuning Scheme · IEEE J. Sel. Areas Commun. 1990

Methods — techniques the papers use, named apart from their topics

numerical simulation · 0.0equivalent circuit modeling · 0.0
YearPublicationVenuePosition
1990 Continuously Tunable Laser Diodes: Longitudinal Versus Transverse Tuning Scheme
abstract
The operating principles and performances of the two most powerful approaches to monolithic tunable laser diodes-the longitudinally integrated three-section (3S) distributed Bragg reflector (DBR) laser and the transversely integrated tunable twin-guide (TTG) distributed feedback (DFB) laser-are described and compared. Both laser configurations are capable of being continuously tuned over several nanometers. The practically useful tuning range strongly depends on structure geometry parameters and is limited by either the required amplification or the tuning densities. It is shown that, with comparable parameters, the useful continuous tuning range of the TTG-DFB laser is 30% larger than that of the 3S-DBR laser. Wide-range continuous tuning of the TTG-DFB laser requires only a single control current, which is particularly advantageous for the manufacture and design of the wavelength control circuitry.>
Markus-Christian Amann, Wolfgang Thulke
 IEEE J. Sel. Areas Commun.2