Abstract

We demonstrate implementation of an all-fiber Mach–Zehnder interferometer formed in a photonic crystal fiber (PCF). We formed the all-PCF Mach–Zehnder interferometer by mechanically inducing two identical long-period fiber gratings (LPGs) in the PCF. The spectral properties of a LPG and a LPG pair were investigated. The interference fringe formed within the stop band of the LPG pair varied with the period and the strength of the gratings, and the fringe spacing was decreased with increasing grating separation. From the fringe spacing measurement the differential effective group index of the PCF was calculated to be Δm2.8×10-3.

© 2004 Optical Society of America

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2003 (2)

2002 (3)

2001 (2)

Y. G. Han, B. H. Lee, W. T. Han, U. C. Paek, and Y. J. Chung, IEEE Photon. Technol. Lett. 13, 699 (2001).
[CrossRef]

K. S. Lee and T. Erdogan, J. Opt. Soc. Am. A 18, 1176 (2001).
[CrossRef]

1999 (3)

1998 (1)

X. Gu, Opt. Lett. 23, 309 (1998).

1997 (1)

Birks, T.

Birks, T. A.

T. A. Birks, D. Mogilevtsev, J. C. Knight, and P. St. J. Russell, IEEE Photon. Technol. Lett. 11, 674 (1999).
[CrossRef]

Bouwmans, G.

Cho, J. Y.

H. S. Jang, J. Y. Cho, and K. S. Lee, J. Opt. Soc. Korea 14, 4 (2003).

K. S. Lee and J. Y. Cho, J. Opt. Soc. Am. A 19, 1621 (2002).
[CrossRef]

Chung, Y. J.

Y. G. Han, B. H. Lee, W. T. Han, U. C. Paek, and Y. J. Chung, IEEE Photon. Technol. Lett. 13, 699 (2001).
[CrossRef]

Dianov, E.

E. Dianov, S. Vasiliev, A. Kurkov, O. Medvedkov, and V. Protopopov, in “In-fiber Mach–Zehnder interferometer based on a pair of long-period gratings,” presented at the European Conference on Optical Communication, Oslo, September 15–19, 1996.

Eggleton, B. J.

Eom, J. B.

Erdogan, T.

Gu, X.

X. Gu, Opt. Lett. 23, 309 (1998).

Han, W. T.

Y. G. Han, B. H. Lee, W. T. Han, U. C. Paek, and Y. J. Chung, IEEE Photon. Technol. Lett. 13, 699 (2001).
[CrossRef]

Han, Y. G.

Y. G. Han, B. H. Lee, W. T. Han, U. C. Paek, and Y. J. Chung, IEEE Photon. Technol. Lett. 13, 699 (2001).
[CrossRef]

Jang, H. S.

H. S. Jang, J. Y. Cho, and K. S. Lee, J. Opt. Soc. Korea 14, 4 (2003).

Kim, J.

Knight, J.

Knight, J. C.

Kurkov, A.

E. Dianov, S. Vasiliev, A. Kurkov, O. Medvedkov, and V. Protopopov, in “In-fiber Mach–Zehnder interferometer based on a pair of long-period gratings,” presented at the European Conference on Optical Communication, Oslo, September 15–19, 1996.

Lee, B. H.

Lee, K. S.

Medvedkov, O.

E. Dianov, S. Vasiliev, A. Kurkov, O. Medvedkov, and V. Protopopov, in “In-fiber Mach–Zehnder interferometer based on a pair of long-period gratings,” presented at the European Conference on Optical Communication, Oslo, September 15–19, 1996.

Mogilevtsev, D.

T. A. Birks, D. Mogilevtsev, J. C. Knight, and P. St. J. Russell, IEEE Photon. Technol. Lett. 11, 674 (1999).
[CrossRef]

Moon, D. S.

Nishii, J.

Paek, U. C.

Percival, R. M.

Protopopov, V.

E. Dianov, S. Vasiliev, A. Kurkov, O. Medvedkov, and V. Protopopov, in “In-fiber Mach–Zehnder interferometer based on a pair of long-period gratings,” presented at the European Conference on Optical Communication, Oslo, September 15–19, 1996.

Russell, P. St. J.

Spalter, S.

Strasser, T. A.

Vasiliev, S.

E. Dianov, S. Vasiliev, A. Kurkov, O. Medvedkov, and V. Protopopov, in “In-fiber Mach–Zehnder interferometer based on a pair of long-period gratings,” presented at the European Conference on Optical Communication, Oslo, September 15–19, 1996.

Wadsworth, W. J.

Westbrook, P. S.

Windeler, R. S.

Yang, G. H.

Appl. Opt. (1)

IEEE Photon. Technol. Lett. (2)

Y. G. Han, B. H. Lee, W. T. Han, U. C. Paek, and Y. J. Chung, IEEE Photon. Technol. Lett. 13, 699 (2001).
[CrossRef]

T. A. Birks, D. Mogilevtsev, J. C. Knight, and P. St. J. Russell, IEEE Photon. Technol. Lett. 11, 674 (1999).
[CrossRef]

J. Lightwave Technol. (1)

J. Opt. Soc. Am. A (2)

J. Opt. Soc. Korea (1)

H. S. Jang, J. Y. Cho, and K. S. Lee, J. Opt. Soc. Korea 14, 4 (2003).

Opt. Express (1)

Opt. Lett. (4)

Other (1)

E. Dianov, S. Vasiliev, A. Kurkov, O. Medvedkov, and V. Protopopov, in “In-fiber Mach–Zehnder interferometer based on a pair of long-period gratings,” presented at the European Conference on Optical Communication, Oslo, September 15–19, 1996.

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Figures (4)

Fig. 1
Fig. 1

Experimental setup for testing LPG pairs in a PCF: OSA, optical spectrum analyzer, MZI, Mach–Zehnder interferometer; SMF, single-mode fiber; SMFPs, single-mode fiber polarizers; P, pressure.

Fig. 2
Fig. 2

Transmission spectra of (a) a single LPG formed in an acrylate-coated PCF (L=20 mm, Λg=600 µm). Inset, cleaved end of the PCF. (b) All-PCF Mach–Zehnder interferometer consisting of two LPGs d=5.5 cm.

Fig. 3
Fig. 3

Transmission spectra of (a) a single LPG formed in the PCF without coating L=20 mm,Λg=600 µm and (b) the all-PCF Mach–Zehnder interferometer consisting of two LPGs.

Fig. 4
Fig. 4

Fringe spacing of the all-PCF interferometer measured as a function of grating separation. The fitting curve represents the best-fitting curve Δm=2.8×10-3.

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