A novel tunable all-optical incoherent negative-tap fiber-optic transversal filter based on a DFB laser diode and fiber Bragg grating

Shenping Li, K.S. Chiang, W.A. Gambling, Y. Liu, L. Zhang, I. Bennion

Research output: Contribution to journalArticle

Abstract

We demonstrate experimentally a novel and simple tunable all-optical incoherent negative-tap fiber-optic transversal filter based on a distribution feedback laser diode and high reflection fiber Bragg gratings (FBGs). In this filter, variable time delay is provided by cascaded high reflection fiber Bragg gratings (FBGs), and the tuning of the filter is realized by tuning different FBG to match the fixed carrier wavelength, or adjusting the carrier wavelength to fit different FBG. The incoherent negative tapping is realized by using the carrier depletion effect in a distribution feedback laser diode.

Original languageEnglish
Pages (from-to)1207-1209
Number of pages3
JournalIEEE Photonics Technology Letters
Volume12
Issue number9
DOIs
Publication statusPublished - Sep 2000

Fingerprint

Transversal filters
Distributed feedback lasers
taps
Fiber Bragg gratings
Fiber optics
Bragg gratings
Semiconductor lasers
fiber optics
semiconductor lasers
filters
fibers
Tuning
tuning
Feedback
Wavelength
wavelengths
Time delay
depletion
time lag
adjusting

Keywords

  • Bragg gratings
  • diode lasers

Cite this

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abstract = "We demonstrate experimentally a novel and simple tunable all-optical incoherent negative-tap fiber-optic transversal filter based on a distribution feedback laser diode and high reflection fiber Bragg gratings (FBGs). In this filter, variable time delay is provided by cascaded high reflection fiber Bragg gratings (FBGs), and the tuning of the filter is realized by tuning different FBG to match the fixed carrier wavelength, or adjusting the carrier wavelength to fit different FBG. The incoherent negative tapping is realized by using the carrier depletion effect in a distribution feedback laser diode.",
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A novel tunable all-optical incoherent negative-tap fiber-optic transversal filter based on a DFB laser diode and fiber Bragg grating. / Li, Shenping; Chiang, K.S.; Gambling, W.A.; Liu, Y.; Zhang, L.; Bennion, I.

In: IEEE Photonics Technology Letters, Vol. 12, No. 9, 09.2000, p. 1207-1209.

Research output: Contribution to journalArticle

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AU - Chiang, K.S.

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AU - Zhang, L.

AU - Bennion, I.

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