Optical transmission using super luminosity LEDs as a transmitter and a receiver

N. Kashima, S. Ishii

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Recently, technologies of super luminosity LEDs make rapid progress and visible blight LEDs are now commercially available. In this paper, we investigate to clarify the potential and limitation of super luminosky LEDs for optical transmission applications. Both sending and receiving properties are measured, such as baseband frequency response of direct modulation, wavelength dependences of responsivity. The peak wavelength of emission power and the peak wavelength of responsivity are measured. The interesting phenomenon is found that the two peak wavelengths are different and the peak detection wavelength is shifted to shorter wavelength when compared to the emission peak wavelength. This phenomenon occurs in measured all LEDs and also in laser diodes. Using a simple model, this short wavelength shift is explained. Basic optical transmission experiments using super luminosity LEDs as a transmitter and a receiver are constructed to confirm the photo-detection properties of super luminosity LEDs. We also discuss possible applications of super luminosity LEDs in optical transmission systems.

Original languageEnglish
Pages (from-to)165-169
Number of pages5
JournalJournal of Optical Communications
Volume23
Issue number5
Publication statusPublished - 2002 Oct

Fingerprint

transmitter receivers
Light transmission
Light emitting diodes
Luminance
Transmitters
light emitting diodes
receivers
luminosity
Wavelength
wavelengths
blight
frequency response
Frequency response
Semiconductor lasers
semiconductor lasers
Modulation
modulation
shift

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Atomic and Molecular Physics, and Optics

Cite this

Optical transmission using super luminosity LEDs as a transmitter and a receiver. / Kashima, N.; Ishii, S.

In: Journal of Optical Communications, Vol. 23, No. 5, 10.2002, p. 165-169.

Research output: Contribution to journalArticle

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