Broad-band tunable all-fiber bandpass filter based on hollow optical fiber and long-period grating pair

We report a tunable all-fiber bandpass filter based on a short hollow optical fiber serially concatenated between a pair of long-period fiber gratings. With novel core mode blocking in the hollow core fiber and its optimal design, the device showed a low insertion loss of 1.5 dB and broad-band passb...

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Bibliographic Details
Published inIEEE photonics technology letters Vol. 17; no. 1; pp. 115 - 117
Main Authors Choi, S., Eom, T.J., Jung, Y., Lee, B.H., Lee, J.W., Oh, K.
Format Journal Article
LanguageEnglish
Published New York IEEE 01.01.2005
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Band pass filters
Bandpass filters
Concatenated codes
Core loss
Diffraction gratings
Fiber gratings
Gratings (spectra)
Hollow optical fibers (HOFs)
Insertion loss
long-period fiber gratings (LPGs)
Noise levels
Optical fiber communication
optical fiber communications
Optical fiber devices
Optical fiber filters
Optical fiber sensors
Optical fibers
Optimization
Resonance
tunable bandpass filters (BPFs)
Tuning
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Summary:We report a tunable all-fiber bandpass filter based on a short hollow optical fiber serially concatenated between a pair of long-period fiber gratings. With novel core mode blocking in the hollow core fiber and its optimal design, the device showed a low insertion loss of 1.5 dB and broad-band passband tuning range of 84.3 nm covering both S- and C-band.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2004.838301