Abstract

To understand the loss limitations of a splice between a hollow-core fiber and a conventional fiber, we use a numerical model to calculate the expected coupling loss between the NKT Photonics’ HC-1550-02 fiber and a single-mode fiber (SMF) of arbitrary step-index profile. When the SMF parameters are optimized, the splice loss is predicted to be as low as ~0.6 dB. This minimum is believed to be largely due to mode-shape mismatch. These predictions are confirmed experimentally by optimizing the splice loss between this photonic-bandgap fiber and five SMFs with different mode-field diameters (MFDs) and V numbers. With the SMF-28 fiber, the measured loss is 1.3dB, in excellent agreement with theory. Using a SMF with parameters close to the optimum values (MFD=7.2μm and V=2.16), this loss was reduced to a new record value of 0.79dB.

© 2010 Optical Society of America

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References

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2009 (2)

M. L. V. Tse, H. Y. Tam, L. B. Fu, B. K. Thomas, L. Dong, C. Lu, and P. K. A. Wai, IEEE Photonics Technol. Lett. 21, 164 (2009).
[CrossRef]

K. Zamani Aghaie, V. Dangui, S. Fan, M. J. F. Digonnet, and G. S. Kino, IEEE J. Quantum Electron. 45, 1192 (2009).
[CrossRef]

2007 (2)

M. J. F. Digonnet, S. Blin, H. K. Kim, V. Dangui, and G. S. Kino, Meas. Sci. Technol. 18, 3089 (2007).
[CrossRef]

L. Xiao, M. S. Demokan, W. Jin, Y. Wang, and C. L. Zhao, J. Lightwave Technol. 25, 3563 (2007).
[CrossRef]

2006 (2)

Aghaie, K. Zamani

K. Zamani Aghaie, V. Dangui, S. Fan, M. J. F. Digonnet, and G. S. Kino, IEEE J. Quantum Electron. 45, 1192 (2009).
[CrossRef]

Amezeua-Correa, R.

Blin, S.

M. J. F. Digonnet, S. Blin, H. K. Kim, V. Dangui, and G. S. Kino, Meas. Sci. Technol. 18, 3089 (2007).
[CrossRef]

Broderick, N. G. R.

Corwin, K. L.

Dangui, V.

K. Zamani Aghaie, V. Dangui, S. Fan, M. J. F. Digonnet, and G. S. Kino, IEEE J. Quantum Electron. 45, 1192 (2009).
[CrossRef]

M. J. F. Digonnet, S. Blin, H. K. Kim, V. Dangui, and G. S. Kino, Meas. Sci. Technol. 18, 3089 (2007).
[CrossRef]

Demokan, M. S.

Digonnet, M. J. F.

K. Zamani Aghaie, V. Dangui, S. Fan, M. J. F. Digonnet, and G. S. Kino, IEEE J. Quantum Electron. 45, 1192 (2009).
[CrossRef]

M. J. F. Digonnet, S. Blin, H. K. Kim, V. Dangui, and G. S. Kino, Meas. Sci. Technol. 18, 3089 (2007).
[CrossRef]

Dong, L.

M. L. V. Tse, H. Y. Tam, L. B. Fu, B. K. Thomas, L. Dong, C. Lu, and P. K. A. Wai, IEEE Photonics Technol. Lett. 21, 164 (2009).
[CrossRef]

Fan, S.

K. Zamani Aghaie, V. Dangui, S. Fan, M. J. F. Digonnet, and G. S. Kino, IEEE J. Quantum Electron. 45, 1192 (2009).
[CrossRef]

Fu, L. B.

M. L. V. Tse, H. Y. Tam, L. B. Fu, B. K. Thomas, L. Dong, C. Lu, and P. K. A. Wai, IEEE Photonics Technol. Lett. 21, 164 (2009).
[CrossRef]

Jin, W.

Kim, H. K.

M. J. F. Digonnet, S. Blin, H. K. Kim, V. Dangui, and G. S. Kino, Meas. Sci. Technol. 18, 3089 (2007).
[CrossRef]

Kino, G. S.

K. Zamani Aghaie, V. Dangui, S. Fan, M. J. F. Digonnet, and G. S. Kino, IEEE J. Quantum Electron. 45, 1192 (2009).
[CrossRef]

M. J. F. Digonnet, S. Blin, H. K. Kim, V. Dangui, and G. S. Kino, Meas. Sci. Technol. 18, 3089 (2007).
[CrossRef]

Knabe, K.

Lu, C.

M. L. V. Tse, H. Y. Tam, L. B. Fu, B. K. Thomas, L. Dong, C. Lu, and P. K. A. Wai, IEEE Photonics Technol. Lett. 21, 164 (2009).
[CrossRef]

Petrovich, M. N.

Poletti, F.

Richardson, D. J.

Tam, H. Y.

M. L. V. Tse, H. Y. Tam, L. B. Fu, B. K. Thomas, L. Dong, C. Lu, and P. K. A. Wai, IEEE Photonics Technol. Lett. 21, 164 (2009).
[CrossRef]

Thapa, R.

Thomas, B. K.

M. L. V. Tse, H. Y. Tam, L. B. Fu, B. K. Thomas, L. Dong, C. Lu, and P. K. A. Wai, IEEE Photonics Technol. Lett. 21, 164 (2009).
[CrossRef]

Tse, M. L. V.

M. L. V. Tse, H. Y. Tam, L. B. Fu, B. K. Thomas, L. Dong, C. Lu, and P. K. A. Wai, IEEE Photonics Technol. Lett. 21, 164 (2009).
[CrossRef]

Wai, P. K. A.

M. L. V. Tse, H. Y. Tam, L. B. Fu, B. K. Thomas, L. Dong, C. Lu, and P. K. A. Wai, IEEE Photonics Technol. Lett. 21, 164 (2009).
[CrossRef]

Wang, Y.

Washburn, B. R.

Xiao, L.

Zhao, C. L.

IEEE J. Quantum Electron. (1)

K. Zamani Aghaie, V. Dangui, S. Fan, M. J. F. Digonnet, and G. S. Kino, IEEE J. Quantum Electron. 45, 1192 (2009).
[CrossRef]

IEEE Photonics Technol. Lett. (1)

M. L. V. Tse, H. Y. Tam, L. B. Fu, B. K. Thomas, L. Dong, C. Lu, and P. K. A. Wai, IEEE Photonics Technol. Lett. 21, 164 (2009).
[CrossRef]

J. Lightwave Technol. (1)

Meas. Sci. Technol. (1)

M. J. F. Digonnet, S. Blin, H. K. Kim, V. Dangui, and G. S. Kino, Meas. Sci. Technol. 18, 3089 (2007).
[CrossRef]

Opt. Express (2)

Other (1)

http://www.nktphotonics.com/side5334.html/HC-1550-02-091222.pdf.

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Figures (1)

Fig. 1
Fig. 1

Calculated butt-coupling loss between a SMF and the HC-1550-02 hollow-core fiber versus the MFD of the SMF. Solid curves were calculated using the exact HE 11 mode-field profiles of the SMF. The dashed curve was calculated using the Gaussian approximation of this mode. Filled circles represent the measured splice losses for different SMFs, and the cross under each circle identifies the theoretical curve corresponding to this particular fiber.

Equations (4)

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E t | H t = 1 2 Re ( d A ( E t × H t * ) · z ^ ) = 1 ,
( 1 + r ) E iT = t E tT , ( 1 r ) H iT = t H tT ,
r = E t | H i E i | H t E t | H i + E i | H t ,
t = 2 E t | H i E i | H t ( E t | H i + E i | H t ) .

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