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Junichiro Yamashita

dblp:78/1898 · 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 · 75% Physical-layer communications · 25%

Topics — the 4 heaviest of 4, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Optical networks › optical transmission
analog optical transmission		 0.011990
Distributed Feedback Laser Diode and Module for CATV Systems · IEEE J. Sel. Areas Commun. 1990
Optical networks › optical transmitter
distributed feedback laser		 0.011990
Distributed Feedback Laser Diode and Module for CATV Systems · IEEE J. Sel. Areas Commun. 1990
Physical-layer communications › hardware impairments
harmonic distortion		 0.011990
Distributed Feedback Laser Diode and Module for CATV Systems · IEEE J. Sel. Areas Commun. 1990
Optical networks
optical transmitter		 0.011990
Distributed Feedback Laser Diode and Module for CATV Systems · IEEE J. Sel. Areas Commun. 1990

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

coupling constant control · 0.0
YearPublicationVenuePosition
1990 Distributed Feedback Laser Diode and Module for CATV Systems
abstract
Harmonic distortion of distributed feedback laser diodes (DFB-LDs) for analog transmission systems is investigated. It is shown that, under a modulation frequency of less than 1 GHz, the harmonic distortion depends on the nonlinearity of the light output power-current (P-I) curve under the continuous wave (CW) condition, which is determined by the coupling constant kappa L, and that the distortion can be minimized at kappa L approximately 1. A 1.3 mu m wavelength InGaAsP DFB-PPIBH (p-substrate partially inverted buried heterostructure) LD and its module, with low distortion by the control of a coupling constant, have been developed.>
Akira Takemoto, Hitoshi Watanabe, Yasuo Nakajima, Yasushi Sakakibara, Syoichi Kakimoto, Junichiro Yamashita, Tatsuo Hatta, Yoshio Miyake
 IEEE J. Sel. Areas Commun.6