Acoustooptic tunable gap-type bandpass filter with a broad stopband

Y. Jung; S. B. Lee; B. H. Lee; K. Oh

doi:10.1109/LPT.2007.902917

Acoustooptic tunable gap-type bandpass filter with a broad stopband

Y. Jung, S. B. Lee, B. H. Lee, K. Oh

Department of Physics

Research output: Contribution to journal › Article › peer-review

Abstract

We demonstrate a novel all-fiber gap-type tunable bandpass filter configuration that consists of a broadband hollow optical fiber (HOF) acoustooptic tunable filter (AOTF) concatenated with a narrowband single-mode fiber (SMF)-AOTF. Owing to the unique mode coupling properties of HOF-AOTF and SMF-AOTF, a narrow passband channel of a full-width at half-maximum (FWHM) of ∼4 nm could be formed in a broad stopband platform of a 90-nm FWHM successfully. In this scheme, the center wavelength and rejection efficiency of both passband and stopband were found to be flexibly tunable by adjusting the frequency and the voltage of radio-frequency signals applied to individual acoustic transducers.

Original language	English
Pages (from-to)	1331-1333
Number of pages	3
Journal	IEEE Photonics Technology Letters
Volume	19
Issue number	17
DOIs	https://doi.org/10.1109/LPT.2007.902917
Publication status	Published - 2007 Sept 1

Bibliographical note

Funding Information:
Manuscript received April 2, 2007; revised June 7, 2007. This work was supported in part by the KOSEF (Program R01-2006-000-11277-0 and Program R15-2004-024-00000-0), and in part by the KICOS (Program 2007-8-0536). Y. Jung and B. H. Lee are with the Department of Information and Communications, Gwangju Institute of Science and Technology (GIST), Gwangju 500-712, Korea. S. B. Lee is with the Communication and Cable Group, Digital TV Research Laboratory, LG Electronics, Seoul 151-818, Korea. K. Oh is with the Institute of Physics and Applied Physics, Yonsei University, Seoul 120-749, Korea (e-mail: koh@yonsei.ac.kr). Color versions of one or more of the figures in this letter are available online at http://ieeexplore.ieee.org. Digital Object Identifier 10.1109/LPT.2007.902917

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

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10.1109/LPT.2007.902917

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abstract = "We demonstrate a novel all-fiber gap-type tunable bandpass filter configuration that consists of a broadband hollow optical fiber (HOF) acoustooptic tunable filter (AOTF) concatenated with a narrowband single-mode fiber (SMF)-AOTF. Owing to the unique mode coupling properties of HOF-AOTF and SMF-AOTF, a narrow passband channel of a full-width at half-maximum (FWHM) of ∼4 nm could be formed in a broad stopband platform of a 90-nm FWHM successfully. In this scheme, the center wavelength and rejection efficiency of both passband and stopband were found to be flexibly tunable by adjusting the frequency and the voltage of radio-frequency signals applied to individual acoustic transducers.",

author = "Y. Jung and Lee, {S. B.} and Lee, {B. H.} and K. Oh",

note = "Funding Information: Manuscript received April 2, 2007; revised June 7, 2007. This work was supported in part by the KOSEF (Program R01-2006-000-11277-0 and Program R15-2004-024-00000-0), and in part by the KICOS (Program 2007-8-0536). Y. Jung and B. H. Lee are with the Department of Information and Communications, Gwangju Institute of Science and Technology (GIST), Gwangju 500-712, Korea. S. B. Lee is with the Communication and Cable Group, Digital TV Research Laboratory, LG Electronics, Seoul 151-818, Korea. K. Oh is with the Institute of Physics and Applied Physics, Yonsei University, Seoul 120-749, Korea (e-mail: koh@yonsei.ac.kr). Color versions of one or more of the figures in this letter are available online at http://ieeexplore.ieee.org. Digital Object Identifier 10.1109/LPT.2007.902917",

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AB - We demonstrate a novel all-fiber gap-type tunable bandpass filter configuration that consists of a broadband hollow optical fiber (HOF) acoustooptic tunable filter (AOTF) concatenated with a narrowband single-mode fiber (SMF)-AOTF. Owing to the unique mode coupling properties of HOF-AOTF and SMF-AOTF, a narrow passband channel of a full-width at half-maximum (FWHM) of ∼4 nm could be formed in a broad stopband platform of a 90-nm FWHM successfully. In this scheme, the center wavelength and rejection efficiency of both passband and stopband were found to be flexibly tunable by adjusting the frequency and the voltage of radio-frequency signals applied to individual acoustic transducers.

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Acoustooptic tunable gap-type bandpass filter with a broad stopband

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Bibliographical note

All Science Journal Classification (ASJC) codes

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