Abstract

A differential gain-dependent phase shift between the core mode and the cladding mode can be all-optically tuned by a cw 975nm pump light for Mach–Zehnder interferometers using two abrupt fiber tapers in a 1.2-cm-long highly Er/Yb codoped fiber. The highly doped fiber has large absorption and emission cross sections to efficiently introduce the phase shift when the inversion rate is changed by varying the pump power. The first abrupt taper converts part of core mode into the cladding mode, while the second abrupt taper recombines both modes to interfere after propagating for a length of a few millimeters.

© 2010 Optical Society of America

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  16. http://www.fibercore.com.

2010

N. K. Chen, Z. Z. Feng, and S. K. Liaw, Laser Phys. Lett. 7, 363 (2010).
[CrossRef]

2009

Z. Tian and S. S. H. Yam, IEEE Photonics Technol. Lett. 21, 161 (2009).
[CrossRef]

Z. Tian and S. S.-H. Yam, J. Lightwave Technol. 27, 2296(2009).
[CrossRef]

P. Lu, L. Men, K. Sooley, and Q. Chen, Appl. Phys. Lett. 94, 131110 (2009).
[CrossRef]

I. Morohashi, T. Sakamoto, H. Sotobayashi, T. Kawanishi, and I. Hosako, Opt. Lett. 34, 2297 (2009).
[CrossRef] [PubMed]

2008

2007

2006

K. T. Kim, K. H. Lee, E. S. Shin, H. S. Song, K. B. Hong, S. Hwangbo, and K. R. Sohn, Opt. Commun. 261, 51 (2006).
[CrossRef]

2004

E. Pone, X. Daxhelet, and S. Lacroix, Opt. Express 12, 1036 (2004).
[CrossRef] [PubMed]

Y. O. Barmenkov, A. V. Kir’yanov, and M. V. Andres, Appl. Phys. Lett. 85, 2466 (2004).
[CrossRef]

Y. P. Wang, J. P. Chen, X. W. Li, J. X. Hong, X. H. Zhang, J. H. Zhou, and A. L. Ye, Appl. Phys. Lett. 85, 5102 (2004).
[CrossRef]

2001

M. Fiorentino, J. E. Sharping, P. Kumar, D. Levandovsky, and M. Vasilyev, Phys. Rev. A 64, 031801 (2001).
[CrossRef]

1996

C. Thirstrup, Y. Shi, and B. Palsdottir, J. Lightwave Technol. 14, 732 (1996).
[CrossRef]

S. C. Fleming and T. J. Whitley, IEEE J. Quantum Electron. 32, 1113 (1996).
[CrossRef]

Andres, M. V.

Y. O. Barmenkov, A. V. Kir’yanov, and M. V. Andres, Appl. Phys. Lett. 85, 2466 (2004).
[CrossRef]

Barmenkov, Y. O.

Y. O. Barmenkov, A. V. Kir’yanov, and M. V. Andres, Appl. Phys. Lett. 85, 2466 (2004).
[CrossRef]

Chen, J. P.

Y. P. Wang, J. P. Chen, X. W. Li, J. X. Hong, X. H. Zhang, J. H. Zhou, and A. L. Ye, Appl. Phys. Lett. 85, 5102 (2004).
[CrossRef]

Chen, N. K.

Chen, Q.

P. Lu, L. Men, K. Sooley, and Q. Chen, Appl. Phys. Lett. 94, 131110 (2009).
[CrossRef]

Chi, S.

Choi, H. Y.

Daxhelet, X.

Feng, Z. Z.

N. K. Chen, Z. Z. Feng, and S. K. Liaw, Laser Phys. Lett. 7, 363 (2010).
[CrossRef]

Fiorentino, M.

M. Fiorentino, J. E. Sharping, P. Kumar, D. Levandovsky, and M. Vasilyev, Phys. Rev. A 64, 031801 (2001).
[CrossRef]

Fleming, S. C.

S. C. Fleming and T. J. Whitley, IEEE J. Quantum Electron. 32, 1113 (1996).
[CrossRef]

Hong, J. X.

Y. P. Wang, J. P. Chen, X. W. Li, J. X. Hong, X. H. Zhang, J. H. Zhou, and A. L. Ye, Appl. Phys. Lett. 85, 5102 (2004).
[CrossRef]

Hong, K. B.

K. T. Kim, K. H. Lee, E. S. Shin, H. S. Song, K. B. Hong, S. Hwangbo, and K. R. Sohn, Opt. Commun. 261, 51 (2006).
[CrossRef]

Hosako, I.

Hsu, K. C.

Hwangbo, S.

K. T. Kim, K. H. Lee, E. S. Shin, H. S. Song, K. B. Hong, S. Hwangbo, and K. R. Sohn, Opt. Commun. 261, 51 (2006).
[CrossRef]

Jung, Y.

Kawanishi, T.

Kim, K. T.

K. T. Kim, K. H. Lee, E. S. Shin, H. S. Song, K. B. Hong, S. Hwangbo, and K. R. Sohn, Opt. Commun. 261, 51 (2006).
[CrossRef]

Kim, M. J.

Kir’yanov, A. V.

Y. O. Barmenkov, A. V. Kir’yanov, and M. V. Andres, Appl. Phys. Lett. 85, 2466 (2004).
[CrossRef]

Kumar, P.

M. Fiorentino, J. E. Sharping, P. Kumar, D. Levandovsky, and M. Vasilyev, Phys. Rev. A 64, 031801 (2001).
[CrossRef]

Lacroix, S.

Lai, Y.

Lee, B. H.

Lee, K. H.

K. T. Kim, K. H. Lee, E. S. Shin, H. S. Song, K. B. Hong, S. Hwangbo, and K. R. Sohn, Opt. Commun. 261, 51 (2006).
[CrossRef]

Lee, S.

Levandovsky, D.

M. Fiorentino, J. E. Sharping, P. Kumar, D. Levandovsky, and M. Vasilyev, Phys. Rev. A 64, 031801 (2001).
[CrossRef]

Li, X. W.

Y. P. Wang, J. P. Chen, X. W. Li, J. X. Hong, X. H. Zhang, J. H. Zhou, and A. L. Ye, Appl. Phys. Lett. 85, 5102 (2004).
[CrossRef]

Liaw, S. K.

Lu, P.

P. Lu, L. Men, K. Sooley, and Q. Chen, Appl. Phys. Lett. 94, 131110 (2009).
[CrossRef]

Men, L.

P. Lu, L. Men, K. Sooley, and Q. Chen, Appl. Phys. Lett. 94, 131110 (2009).
[CrossRef]

Morohashi, I.

Oh, K.

Palsdottir, B.

C. Thirstrup, Y. Shi, and B. Palsdottir, J. Lightwave Technol. 14, 732 (1996).
[CrossRef]

Pone, E.

Sakamoto, T.

Sharping, J. E.

M. Fiorentino, J. E. Sharping, P. Kumar, D. Levandovsky, and M. Vasilyev, Phys. Rev. A 64, 031801 (2001).
[CrossRef]

Shi, Y.

C. Thirstrup, Y. Shi, and B. Palsdottir, J. Lightwave Technol. 14, 732 (1996).
[CrossRef]

Shin, E. S.

K. T. Kim, K. H. Lee, E. S. Shin, H. S. Song, K. B. Hong, S. Hwangbo, and K. R. Sohn, Opt. Commun. 261, 51 (2006).
[CrossRef]

Sohn, K. R.

K. T. Kim, K. H. Lee, E. S. Shin, H. S. Song, K. B. Hong, S. Hwangbo, and K. R. Sohn, Opt. Commun. 261, 51 (2006).
[CrossRef]

Song, H. S.

K. T. Kim, K. H. Lee, E. S. Shin, H. S. Song, K. B. Hong, S. Hwangbo, and K. R. Sohn, Opt. Commun. 261, 51 (2006).
[CrossRef]

Sooley, K.

P. Lu, L. Men, K. Sooley, and Q. Chen, Appl. Phys. Lett. 94, 131110 (2009).
[CrossRef]

Sotobayashi, H.

Thirstrup, C.

C. Thirstrup, Y. Shi, and B. Palsdottir, J. Lightwave Technol. 14, 732 (1996).
[CrossRef]

Tian, Z.

Z. Tian and S. S. H. Yam, IEEE Photonics Technol. Lett. 21, 161 (2009).
[CrossRef]

Z. Tian and S. S.-H. Yam, J. Lightwave Technol. 27, 2296(2009).
[CrossRef]

Vasilyev, M.

M. Fiorentino, J. E. Sharping, P. Kumar, D. Levandovsky, and M. Vasilyev, Phys. Rev. A 64, 031801 (2001).
[CrossRef]

Wang, Y. P.

Y. P. Wang, J. P. Chen, X. W. Li, J. X. Hong, X. H. Zhang, J. H. Zhou, and A. L. Ye, Appl. Phys. Lett. 85, 5102 (2004).
[CrossRef]

Whitley, T. J.

S. C. Fleming and T. J. Whitley, IEEE J. Quantum Electron. 32, 1113 (1996).
[CrossRef]

Yam, S. S. H.

Z. Tian and S. S. H. Yam, IEEE Photonics Technol. Lett. 21, 161 (2009).
[CrossRef]

Yam, S. S.-H.

Ye, A. L.

Y. P. Wang, J. P. Chen, X. W. Li, J. X. Hong, X. H. Zhang, J. H. Zhou, and A. L. Ye, Appl. Phys. Lett. 85, 5102 (2004).
[CrossRef]

Zhang, X. H.

Y. P. Wang, J. P. Chen, X. W. Li, J. X. Hong, X. H. Zhang, J. H. Zhou, and A. L. Ye, Appl. Phys. Lett. 85, 5102 (2004).
[CrossRef]

Zhou, J. H.

Y. P. Wang, J. P. Chen, X. W. Li, J. X. Hong, X. H. Zhang, J. H. Zhou, and A. L. Ye, Appl. Phys. Lett. 85, 5102 (2004).
[CrossRef]

Appl. Phys. Lett.

Y. P. Wang, J. P. Chen, X. W. Li, J. X. Hong, X. H. Zhang, J. H. Zhou, and A. L. Ye, Appl. Phys. Lett. 85, 5102 (2004).
[CrossRef]

P. Lu, L. Men, K. Sooley, and Q. Chen, Appl. Phys. Lett. 94, 131110 (2009).
[CrossRef]

Y. O. Barmenkov, A. V. Kir’yanov, and M. V. Andres, Appl. Phys. Lett. 85, 2466 (2004).
[CrossRef]

IEEE J. Quantum Electron.

S. C. Fleming and T. J. Whitley, IEEE J. Quantum Electron. 32, 1113 (1996).
[CrossRef]

IEEE Photonics Technol. Lett.

Z. Tian and S. S. H. Yam, IEEE Photonics Technol. Lett. 21, 161 (2009).
[CrossRef]

J. Lightwave Technol.

Z. Tian and S. S.-H. Yam, J. Lightwave Technol. 27, 2296(2009).
[CrossRef]

C. Thirstrup, Y. Shi, and B. Palsdottir, J. Lightwave Technol. 14, 732 (1996).
[CrossRef]

Laser Phys. Lett.

N. K. Chen, Z. Z. Feng, and S. K. Liaw, Laser Phys. Lett. 7, 363 (2010).
[CrossRef]

Opt. Commun.

K. T. Kim, K. H. Lee, E. S. Shin, H. S. Song, K. B. Hong, S. Hwangbo, and K. R. Sohn, Opt. Commun. 261, 51 (2006).
[CrossRef]

Opt. Express

Opt. Lett.

Phys. Rev. A

M. Fiorentino, J. E. Sharping, P. Kumar, D. Levandovsky, and M. Vasilyev, Phys. Rev. A 64, 031801 (2001).
[CrossRef]

Other

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Figures (3)

Fig. 1
Fig. 1

(a) Schematic diagram of the MZI based on two abrupt tapers on an EYDF. The core mode (horizontal arrows at center) encounters an extra phase shift, as compared with the cladding mode (diagonal arrows), when the active ions are pumped. Cross-sectional views of tapered fibers with (b) core and cladding diameters of 3.44 and 31.6 μm using SMF-28 fiber and (c) core and cladding diameters of 2.3 and 32.8 μm ) using EYDF.

Fig. 2
Fig. 2

Spectral responses of tapered EYDF with uniform tapered length and taper waist of 1.8 cm and 32.8 μm , respectively (RES, 1 nm ).

Fig. 3
Fig. 3

(a) Spectral responses of tapered EYDF under different pump power conditions (RES, 1 nm ). (b) Wavelength shifts and extinction ratios of the interference wavelengths.

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