Sagnac-loop-based equivalent negative tap photonic notch filter

E.H.W. Chan, R.A. Minasian

Research output: Contribution to journalArticleResearchpeer-review

Abstract

A new structure that can realize an all-optical equivalent two-tap negative tap photonic notch filter response is presented. It is based on a Sagnac fiber loop interferometer containing an optical phase modulator. An equivalent two-tap negative tap notch filter response is obtained by phase modulating the clockwise and counterclockwise propagating optical waves inside the Sagnac loop at different times. Results demonstrate a robust notch filter response using a narrow-linewidth optical source with no phase-induced intensity noise and no second-order harmonic component present at the output.
Original languageEnglish
Pages (from-to)1740-1742
Number of pages3
JournalIEEE Photonics Technology Letters
Volume17
Issue number8
DOIs
Publication statusPublished - 2005
Externally publishedYes

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Notch filters
taps
notches
Photonics
photonics
filters
noise intensity
Linewidth
Interferometers
Modulators
Light sources
modulators
interferometers
harmonics
fibers
Fibers
output

Cite this

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abstract = "A new structure that can realize an all-optical equivalent two-tap negative tap photonic notch filter response is presented. It is based on a Sagnac fiber loop interferometer containing an optical phase modulator. An equivalent two-tap negative tap notch filter response is obtained by phase modulating the clockwise and counterclockwise propagating optical waves inside the Sagnac loop at different times. Results demonstrate a robust notch filter response using a narrow-linewidth optical source with no phase-induced intensity noise and no second-order harmonic component present at the output.",
keywords = "Interferometers, Light modulators, Light polarization, Light propagation, Light sources, Microwave filters, Notch filters, Optical fibers, Optical signal processing, Sagnac fiber loop, Optical filters",
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Sagnac-loop-based equivalent negative tap photonic notch filter. / Chan, E.H.W.; Minasian, R.A.

In: IEEE Photonics Technology Letters, Vol. 17, No. 8, 2005, p. 1740-1742.

Research output: Contribution to journalArticleResearchpeer-review

TY - JOUR

T1 - Sagnac-loop-based equivalent negative tap photonic notch filter

AU - Chan, E.H.W.

AU - Minasian, R.A.

PY - 2005

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AB - A new structure that can realize an all-optical equivalent two-tap negative tap photonic notch filter response is presented. It is based on a Sagnac fiber loop interferometer containing an optical phase modulator. An equivalent two-tap negative tap notch filter response is obtained by phase modulating the clockwise and counterclockwise propagating optical waves inside the Sagnac loop at different times. Results demonstrate a robust notch filter response using a narrow-linewidth optical source with no phase-induced intensity noise and no second-order harmonic component present at the output.

KW - Interferometers

KW - Light modulators

KW - Light polarization

KW - Light propagation

KW - Light sources

KW - Microwave filters

KW - Notch filters

KW - Optical fibers, Optical signal processing

KW - Sagnac fiber loop, Optical filters

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