New applications of a sinusoidally driven InGaAsP electroabsorption modulator to in-line optical gates with ASE noise reduction effect

Masatoshi Suzuki, Hideaki Tanaka, Noboru Edagawa, Yuichi Matsushima

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

This paper proposes new applications of a sinusoidally driven InGaAsP electroabsorption modulator to an inline optical gate for a 2R (reshape and retiming) repeater in optical amplifier systems, an n:1 optical demultiplexer in time division multiplexing systems, and an optical switching. Small polarization dependence of the modulator is essentially important for in-line use. By utilizing the monotonic increase of the extinction ratio with increasing the applied voltage, the electroabsorption modulator driven by large-signal sinusoidal voltage can produce a time domain square-shaped gate function with variable gate width. Furthermore, amplified spontaneous emission noise of optical amplifier systems can be reduced in both time and wavelength domains at off-state of the modulator, due to a noninterferometric wide wavelength operation of the modulator. Experimental results for a 2R repeater, an n:1 (n = 4, 8) optical demultiplexer, and optical gates for switching are also demonstrated for the first time at over 10-Gb/s repetition rate.

Original languageEnglish
Pages (from-to)1912-1918
Number of pages7
JournalJournal of Lightwave Technology
Volume10
Issue number12
DOIs
Publication statusPublished - 1992 Dec
Externally publishedYes

Fingerprint

Electroabsorption modulators
aeroservoelasticity
Noise abatement
noise reduction
Modulators
modulators
Light amplifiers
Telecommunication repeaters
repeaters
Wavelength
Time division multiplexing
light amplifiers
Spontaneous emission
Electric potential
time division multiplexing
Polarization
electric potential
optical switching
wavelengths
spontaneous emission

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics

Cite this

New applications of a sinusoidally driven InGaAsP electroabsorption modulator to in-line optical gates with ASE noise reduction effect. / Suzuki, Masatoshi; Tanaka, Hideaki; Edagawa, Noboru; Matsushima, Yuichi.

In: Journal of Lightwave Technology, Vol. 10, No. 12, 12.1992, p. 1912-1918.

Research output: Contribution to journalArticle

Suzuki, Masatoshi ; Tanaka, Hideaki ; Edagawa, Noboru ; Matsushima, Yuichi. / New applications of a sinusoidally driven InGaAsP electroabsorption modulator to in-line optical gates with ASE noise reduction effect. In: Journal of Lightwave Technology. 1992 ; Vol. 10, No. 12. pp. 1912-1918.
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