Single-stage gain-clamped L-band EDFA with C-band ASE saturating tone

Ahmad Ashrif A Bakar, M. A. Mahdi, M. H. Al-Mansoori, S. Shaari, A. K. Zamzuri

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

We demonstrate a single-stage gain-clamped L-band Erbium-doped fiber amplifier with 1480 nm pump wavelength. The gain-clamping technique is achieved by utilizing the backward propagation of C-band amplified spontaneous emission (ASE). This unwanted noise is reflected back into the optical amplifier and its intensity is adjusted using the variable optical attenuator. The C-band ASE sets the population inversion level along the Erbium doped-fiber and limits the L-band signal amplification to a specific value. The whole optical bandwidth in L-band can be employed for signal amplification since the saturating tone is out of the band. The gain dynamic range of 11.7 dB is obtained between 21.7 and 10.0 dB with noise figure of less than 5.5 dB for signal power up to 2 dBm.

Original languageEnglish
Pages (from-to)1026-1029
Number of pages4
JournalLaser Physics
Volume19
Issue number5
DOIs
Publication statusPublished - May 2009

Fingerprint

Erbium doped fiber amplifiers
Spontaneous emission
C band
ultrahigh frequencies
spontaneous emission
Amplification
Light amplifiers
Erbium
Noise figure
erbium
Pumps
Bandwidth
Wavelength
Fibers
fibers
attenuators
population inversion
light amplifiers
dynamic range
amplifiers

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Atomic and Molecular Physics, and Optics
  • Instrumentation
  • Industrial and Manufacturing Engineering

Cite this

A Bakar, A. A., Mahdi, M. A., Al-Mansoori, M. H., Shaari, S., & Zamzuri, A. K. (2009). Single-stage gain-clamped L-band EDFA with C-band ASE saturating tone. Laser Physics, 19(5), 1026-1029. https://doi.org/10.1134/S1054660X09050259

Single-stage gain-clamped L-band EDFA with C-band ASE saturating tone. / A Bakar, Ahmad Ashrif; Mahdi, M. A.; Al-Mansoori, M. H.; Shaari, S.; Zamzuri, A. K.

In: Laser Physics, Vol. 19, No. 5, 05.2009, p. 1026-1029.

Research output: Contribution to journalArticle

A Bakar, AA, Mahdi, MA, Al-Mansoori, MH, Shaari, S & Zamzuri, AK 2009, 'Single-stage gain-clamped L-band EDFA with C-band ASE saturating tone', Laser Physics, vol. 19, no. 5, pp. 1026-1029. https://doi.org/10.1134/S1054660X09050259
A Bakar, Ahmad Ashrif ; Mahdi, M. A. ; Al-Mansoori, M. H. ; Shaari, S. ; Zamzuri, A. K. / Single-stage gain-clamped L-band EDFA with C-band ASE saturating tone. In: Laser Physics. 2009 ; Vol. 19, No. 5. pp. 1026-1029.
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