Acoustooptic Coherent Mode Coupling in Polarization-Maintaining Fiber and Its Application as a Variable-Polarization-Dependent Loss Element

Acoustooptic Coherent Mode Coupling in Polarization-Maintaining Fiber and Its Application as a Variable-Polarization-Dependent Loss Element

In this letter, we investigate coherent acoustooptic coherent mode coupling from the LP 01 core mode to LP 1m cladding mode of a polarization-maintaining fiber (PMF) induced by two acoustic gratings. We show narrowband variable attenuation along either birefringent axis of the PMF by varying the rel...

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Veröffentlicht in:IEEE photonics technology letters 2007-05, Vol.19 (9), p.665-667
Hauptverfasser: Rong Huang, Alhassen, F., Tseng, D., Boyraz, O., Lee, H.P.
Format: Artikel
Sprache:eng
Schlagworte:
Acoustic coupling
Acoustic waves
Acoustics
Acoustooptic tunable filter
Acoustooptics
Attenuation
Birefringence
Coherence
coherent coupling
Fiber gratings
Fibers
Filters
Frequency
Joining
Narrowband
Optical fiber polarization
Page description languages
Piezoelectric polarization
piezoelectric transducer (PZT)
Piezoelectric transducers
polarization-dependent loss (PDL)
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Zusammenfassung:In this letter, we investigate coherent acoustooptic coherent mode coupling from the LP 01 core mode to LP 1m cladding mode of a polarization-maintaining fiber (PMF) induced by two acoustic gratings. We show narrowband variable attenuation along either birefringent axis of the PMF by varying the relative phase between the two acoustic gratings. By launching two acoustic gratings at different frequencies, variable attenuation and low crosstalk along either birefringent axis within the acoustooptic coupling bandwidth are demonstrated
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2007.894339