Abstract

We report a bandwidth variation technique in an acousto-optic filter. Utilizing the adiabatic conversion in both optical and acoustic modes, we obtain a novel hybrid waveguide composed of serial concatenation of single-mode fiber (SMF) and two-mode hollow optical fiber (HOF). On the basis of dissimilarity in the phase-matching conditions and beat-length dispersion in SMF and HOF, the FWHM of the resonant bands is varied from 3.8 to 190 nm near the 1.5µm region in a single device. Furthermore, we theoretically analyze the acousto-optic coupling among the guided modes in HOF, which shows good agreement with experimental observations.

© 2005 Optical Society of America

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References

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  1. H. S. Kim, S. H. Yun, I. K. Kwang, and B. Y. Kim, Opt. Lett. 22, 1476 (1997).
    [CrossRef]
  2. K. W. Cheung, IEEE J. Sel. Areas Commun. 22, 1015 (1990).
    [CrossRef]
  3. S. Choi, T. J. Eom, J. W. Yu, B. H. Lee, and K. Oh, IEEE Photon. Technol. Lett. 14, 1701 (2002).
    [CrossRef]
  4. K. Oh, S. Choi, and W. Shin, in The 16th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Institute of Electrical and Electronics Engineers, Piscataway, N.J., 2003), pp. 905–906.
  5. S. Choi, K. Oh, W. Shin, and U. C. Ryu, IEE Electron. Lett. 37, 823 (2001).
    [CrossRef]
  6. J. Lee, J. W. Yu, S. Choi, K. Oh, D. I. Yum, and B. Y. Kim, in Proceedings of the 8th OptoElectronics and Communication Conference (OECC’2003), Vol. 23 (Shanghai, China, 2003), pp. 193–194, http://www.siom.ac.cn/oecc2003/main/history/htm .
  7. Q. Li, P. Z. Dashti, I. V. Tomov, and H. P. Lee, Opt. Lett. 28, 75 (2003).
    [CrossRef] [PubMed]
  8. D. Östling, B. Langli, and H. E. Engan, Opt. Lett. 21, 1553 (1996).
    [CrossRef]

2003 (1)

2002 (1)

S. Choi, T. J. Eom, J. W. Yu, B. H. Lee, and K. Oh, IEEE Photon. Technol. Lett. 14, 1701 (2002).
[CrossRef]

2001 (1)

S. Choi, K. Oh, W. Shin, and U. C. Ryu, IEE Electron. Lett. 37, 823 (2001).
[CrossRef]

1997 (1)

1996 (1)

1990 (1)

K. W. Cheung, IEEE J. Sel. Areas Commun. 22, 1015 (1990).
[CrossRef]

Cheung, K. W.

K. W. Cheung, IEEE J. Sel. Areas Commun. 22, 1015 (1990).
[CrossRef]

Choi, S.

S. Choi, T. J. Eom, J. W. Yu, B. H. Lee, and K. Oh, IEEE Photon. Technol. Lett. 14, 1701 (2002).
[CrossRef]

S. Choi, K. Oh, W. Shin, and U. C. Ryu, IEE Electron. Lett. 37, 823 (2001).
[CrossRef]

K. Oh, S. Choi, and W. Shin, in The 16th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Institute of Electrical and Electronics Engineers, Piscataway, N.J., 2003), pp. 905–906.

J. Lee, J. W. Yu, S. Choi, K. Oh, D. I. Yum, and B. Y. Kim, in Proceedings of the 8th OptoElectronics and Communication Conference (OECC’2003), Vol. 23 (Shanghai, China, 2003), pp. 193–194, http://www.siom.ac.cn/oecc2003/main/history/htm .

Dashti, P. Z.

Engan, H. E.

Eom, T. J.

S. Choi, T. J. Eom, J. W. Yu, B. H. Lee, and K. Oh, IEEE Photon. Technol. Lett. 14, 1701 (2002).
[CrossRef]

Kim, B. Y.

H. S. Kim, S. H. Yun, I. K. Kwang, and B. Y. Kim, Opt. Lett. 22, 1476 (1997).
[CrossRef]

J. Lee, J. W. Yu, S. Choi, K. Oh, D. I. Yum, and B. Y. Kim, in Proceedings of the 8th OptoElectronics and Communication Conference (OECC’2003), Vol. 23 (Shanghai, China, 2003), pp. 193–194, http://www.siom.ac.cn/oecc2003/main/history/htm .

Kim, H. S.

Kwang, I. K.

Langli, B.

Lee, B. H.

S. Choi, T. J. Eom, J. W. Yu, B. H. Lee, and K. Oh, IEEE Photon. Technol. Lett. 14, 1701 (2002).
[CrossRef]

Lee, H. P.

Lee, J.

J. Lee, J. W. Yu, S. Choi, K. Oh, D. I. Yum, and B. Y. Kim, in Proceedings of the 8th OptoElectronics and Communication Conference (OECC’2003), Vol. 23 (Shanghai, China, 2003), pp. 193–194, http://www.siom.ac.cn/oecc2003/main/history/htm .

Li, Q.

Oh, K.

S. Choi, T. J. Eom, J. W. Yu, B. H. Lee, and K. Oh, IEEE Photon. Technol. Lett. 14, 1701 (2002).
[CrossRef]

S. Choi, K. Oh, W. Shin, and U. C. Ryu, IEE Electron. Lett. 37, 823 (2001).
[CrossRef]

K. Oh, S. Choi, and W. Shin, in The 16th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Institute of Electrical and Electronics Engineers, Piscataway, N.J., 2003), pp. 905–906.

J. Lee, J. W. Yu, S. Choi, K. Oh, D. I. Yum, and B. Y. Kim, in Proceedings of the 8th OptoElectronics and Communication Conference (OECC’2003), Vol. 23 (Shanghai, China, 2003), pp. 193–194, http://www.siom.ac.cn/oecc2003/main/history/htm .

Östling, D.

Ryu, U. C.

S. Choi, K. Oh, W. Shin, and U. C. Ryu, IEE Electron. Lett. 37, 823 (2001).
[CrossRef]

Shin, W.

S. Choi, K. Oh, W. Shin, and U. C. Ryu, IEE Electron. Lett. 37, 823 (2001).
[CrossRef]

K. Oh, S. Choi, and W. Shin, in The 16th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Institute of Electrical and Electronics Engineers, Piscataway, N.J., 2003), pp. 905–906.

Tomov, I. V.

Yu, J. W.

S. Choi, T. J. Eom, J. W. Yu, B. H. Lee, and K. Oh, IEEE Photon. Technol. Lett. 14, 1701 (2002).
[CrossRef]

J. Lee, J. W. Yu, S. Choi, K. Oh, D. I. Yum, and B. Y. Kim, in Proceedings of the 8th OptoElectronics and Communication Conference (OECC’2003), Vol. 23 (Shanghai, China, 2003), pp. 193–194, http://www.siom.ac.cn/oecc2003/main/history/htm .

Yum, D. I.

J. Lee, J. W. Yu, S. Choi, K. Oh, D. I. Yum, and B. Y. Kim, in Proceedings of the 8th OptoElectronics and Communication Conference (OECC’2003), Vol. 23 (Shanghai, China, 2003), pp. 193–194, http://www.siom.ac.cn/oecc2003/main/history/htm .

Yun, S. H.

IEE Electron. Lett. (1)

S. Choi, K. Oh, W. Shin, and U. C. Ryu, IEE Electron. Lett. 37, 823 (2001).
[CrossRef]

IEEE J. Sel. Areas Commun. (1)

K. W. Cheung, IEEE J. Sel. Areas Commun. 22, 1015 (1990).
[CrossRef]

IEEE Photon. Technol. Lett. (1)

S. Choi, T. J. Eom, J. W. Yu, B. H. Lee, and K. Oh, IEEE Photon. Technol. Lett. 14, 1701 (2002).
[CrossRef]

Opt. Lett. (3)

Other (2)

K. Oh, S. Choi, and W. Shin, in The 16th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Institute of Electrical and Electronics Engineers, Piscataway, N.J., 2003), pp. 905–906.

J. Lee, J. W. Yu, S. Choi, K. Oh, D. I. Yum, and B. Y. Kim, in Proceedings of the 8th OptoElectronics and Communication Conference (OECC’2003), Vol. 23 (Shanghai, China, 2003), pp. 193–194, http://www.siom.ac.cn/oecc2003/main/history/htm .

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Figures (5)

Fig. 1
Fig. 1

Schematic diagram of the tunable bandwidth-rejection filter. PZT, piezoelectric.

Fig. 2
Fig. 2

Evolution of the optical mode profile along the SMF–HOF adiabatic taper.

Fig. 3
Fig. 3

Transmission spectra of the AOTF with the concatenated SMF–HOF according to wavelength. rf frequency and rf voltage, respectively: (a) 2.7–2.9 MHz and 10 V, (b) 319 kHz and 10 V, (c) 327 kHz and 5, 7, and 10 V.

Fig. 4
Fig. 4

Transmission loss of the HOF AOTF measured at several acoustic frequencies.

Fig. 5
Fig. 5

Beat lengths between the LP01 and the LP11 modes in HOF.

Equations (2)

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Δλ0.8LLBλ0λ-1LBλ02,
LB=2πβ0-βn.

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