Abstract

We report on an ultracompact fiber optic Mach–Zehnder interferometer (MZI) using a novel concatenated structure, single-mode-fiber (SMF)–hollow optical fiber (HOF)-SMF. An optimized air-hole size in the HOF provided two unique optical paths; the leaky waveguide modes through the central air hole and the radiation channel into the silica cladding, which enabled a compact MZI configuration with enhanced optical performances, such as high visibility, high temperature sensitivity, and wide dynamic range.

© 2008 Optical Society of America

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References

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  1. E.Udd, ed., Fiber Optic Sensors: an Introduction for Engineers and Scientists (Wiley, 1991).
  2. D. Donlagic and M. Zavrsnik, Opt. Lett. 22, 837 (1997).
    [CrossRef]
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    [CrossRef]
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    [CrossRef]
  6. S. W. James and R. P. Tatam, Meas. Sci. Technol. 14, R49 (2003).
    [CrossRef]
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    [CrossRef]
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    [CrossRef]
  9. Y. J. Kim, U. C. Paek, and B. H. Lee, Opt. Lett. 27, 1297 (2002).
    [CrossRef]
  10. Y. J. Rao, Meas. Sci. Technol. 8, 355 (1997).
    [CrossRef]

2007 (1)

2006 (1)

Y. Jung, S. Kim, D. Lee, and K. Oh, Meas. Sci. Technol. 17, 1129 (2006).
[CrossRef]

2005 (1)

2003 (1)

S. W. James and R. P. Tatam, Meas. Sci. Technol. 14, R49 (2003).
[CrossRef]

2002 (1)

2000 (1)

J. A. Harrington, Fiber Integr. Opt. 19, 211 (2000).
[CrossRef]

1997 (2)

1989 (1)

B. Malo, F. Bilodeau, K. O. Hill, D. C. Johnson, and J. Albert, Electron. Lett. 21, 1416 (1989).
[CrossRef]

Albert, J.

B. Malo, F. Bilodeau, K. O. Hill, D. C. Johnson, and J. Albert, Electron. Lett. 21, 1416 (1989).
[CrossRef]

Bilodeau, F.

B. Malo, F. Bilodeau, K. O. Hill, D. C. Johnson, and J. Albert, Electron. Lett. 21, 1416 (1989).
[CrossRef]

Choi, S.

Donlagic, D.

Harrington, J. A.

J. A. Harrington, Fiber Integr. Opt. 19, 211 (2000).
[CrossRef]

Hill, K. O.

B. Malo, F. Bilodeau, K. O. Hill, D. C. Johnson, and J. Albert, Electron. Lett. 21, 1416 (1989).
[CrossRef]

James, S. W.

S. W. James and R. P. Tatam, Meas. Sci. Technol. 14, R49 (2003).
[CrossRef]

Johnson, D. C.

B. Malo, F. Bilodeau, K. O. Hill, D. C. Johnson, and J. Albert, Electron. Lett. 21, 1416 (1989).
[CrossRef]

Jung, Y.

Y. Jung, S. Kim, D. Lee, and K. Oh, Meas. Sci. Technol. 17, 1129 (2006).
[CrossRef]

K. Oh, S. Choi, Y. Jung, and J. W. Lee, J. Lightwave Technol. 23, 524 (2005).
[CrossRef]

Kim, S.

Y. Jung, S. Kim, D. Lee, and K. Oh, Meas. Sci. Technol. 17, 1129 (2006).
[CrossRef]

Kim, Y. J.

Lee, B. H.

Lee, D.

Y. Jung, S. Kim, D. Lee, and K. Oh, Meas. Sci. Technol. 17, 1129 (2006).
[CrossRef]

Lee, J. W.

Liu, Y.

Malo, B.

B. Malo, F. Bilodeau, K. O. Hill, D. C. Johnson, and J. Albert, Electron. Lett. 21, 1416 (1989).
[CrossRef]

Oh, K.

Y. Jung, S. Kim, D. Lee, and K. Oh, Meas. Sci. Technol. 17, 1129 (2006).
[CrossRef]

K. Oh, S. Choi, Y. Jung, and J. W. Lee, J. Lightwave Technol. 23, 524 (2005).
[CrossRef]

Paek, U. C.

Rao, Y. J.

Y. J. Rao, Meas. Sci. Technol. 8, 355 (1997).
[CrossRef]

Tatam, R. P.

S. W. James and R. P. Tatam, Meas. Sci. Technol. 14, R49 (2003).
[CrossRef]

Wei, L.

Zavrsnik, M.

Appl. Opt. (1)

Electron. Lett. (1)

B. Malo, F. Bilodeau, K. O. Hill, D. C. Johnson, and J. Albert, Electron. Lett. 21, 1416 (1989).
[CrossRef]

Fiber Integr. Opt. (1)

J. A. Harrington, Fiber Integr. Opt. 19, 211 (2000).
[CrossRef]

J. Lightwave Technol. (1)

Meas. Sci. Technol. (3)

Y. Jung, S. Kim, D. Lee, and K. Oh, Meas. Sci. Technol. 17, 1129 (2006).
[CrossRef]

S. W. James and R. P. Tatam, Meas. Sci. Technol. 14, R49 (2003).
[CrossRef]

Y. J. Rao, Meas. Sci. Technol. 8, 355 (1997).
[CrossRef]

Opt. Lett. (2)

Other (1)

E.Udd, ed., Fiber Optic Sensors: an Introduction for Engineers and Scientists (Wiley, 1991).

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Figures (4)

Fig. 1
Fig. 1

(a) Schematic of the SMF–HOF–SMF structure. (b) Various lengths of HOF fusion-spliced between two SMFs. (c) Cross section of HOF.

Fig. 2
Fig. 2

(a) Spectrum comparison between the reflection and transmission ( L = 100 μ m ) . (b) Measured transmission spectra with different lengths of HOF.

Fig. 3
Fig. 3

Contour map of beam propagation with different widths of HOF (a) 50 and (b) 9 μ m .

Fig. 4
Fig. 4

Series of (a) measured and (b) simulated near-field patterns obtained at the end of the HOF.

Equations (1)

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I = I 1 + I 2 + 2 I 1 I 2 cos ϕ ,

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