Abstract

A new method of measuring optical nonlinearity for resonant nonlinear optical fibers is proposed. A long-period fiber grating (LPG) pair was used to measure the nonlinear refractive index n2 of a Yb3+/Al3+ codoped optical fiber, which was spliced between the two LPGs, as the fiber was pumped with a laser diode. The nonlinear refractive index of the Yb3+/Al3+ codoped fiber near 1580 nm depended on the pump power. As the pump power increased, the nonlinear refractive index decreased. At launched pump powers of 2–8 mW, the nonlinear refractive index of the Yb3+/Al3+ codoped fiber near 1580 nm was 7.5×10-15 m2/W.

© 2002 Optical Society of America

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    [CrossRef] [PubMed]
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  3. S. C. Fleming and T. J. Whitley, Electron. Lett. 27, 1959 (1991).
    [CrossRef]
  4. J. W. Arkwright, P. Elango, G. R. Atkins, T. Whitbread, and M. J. F. Digonnet, J. Lightwave Technol. 16, 798 (1998).
    [CrossRef]
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    [CrossRef]
  6. B. H. Lee and J. Nishii, Opt. Lett. 23, 1624 (1998).
    [CrossRef]
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    [CrossRef]
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    [CrossRef]

1999 (1)

1998 (2)

1997 (1)

M. J. F. Digonnet, R. W. Sadowski, H. J. Shaw, and R. H. Pantell, Opt. Fiber Technol. 3, 44 (1997).
[CrossRef]

1995 (1)

1994 (1)

1993 (1)

R. H. Pantell, M. J. F. Digonnet, R. W. Sadowski, and H. J. Shaw, J. Lightwave Technol. 11, 1416 (1993).
[CrossRef]

1991 (1)

S. C. Fleming and T. J. Whitley, Electron. Lett. 27, 1959 (1991).
[CrossRef]

Agrawal, G. P.

G. P. Agrawal, Nonlinear Fiber Optics, 2nd ed. (Academic, San Diego, Calif., 1995).

Ahn, T.-J.

T.-J. Ahn, B.-H. Kim, B. H. Lee, Y. Chung, U.-C. Paek, and W.-T. Han, in Technical Digest of Optoelectronics and Communications Conference 2000 (Institute of Electronics, Information and Communication Engineers, Chiba, Japan, 2000), pp. 276–277.

Arkwright, J. W.

Atkins, G. R.

Chung, Y.

T.-J. Ahn, B.-H. Kim, B. H. Lee, Y. Chung, U.-C. Paek, and W.-T. Han, in Technical Digest of Optoelectronics and Communications Conference 2000 (Institute of Electronics, Information and Communication Engineers, Chiba, Japan, 2000), pp. 276–277.

Digonnet, M. J. F.

J. W. Arkwright, P. Elango, G. R. Atkins, T. Whitbread, and M. J. F. Digonnet, J. Lightwave Technol. 16, 798 (1998).
[CrossRef]

M. J. F. Digonnet, R. W. Sadowski, H. J. Shaw, and R. H. Pantell, Opt. Fiber Technol. 3, 44 (1997).
[CrossRef]

R. H. Pantell, M. J. F. Digonnet, R. W. Sadowski, and H. J. Shaw, J. Lightwave Technol. 11, 1416 (1993).
[CrossRef]

Elango, P.

Fleming, S. C.

S. C. Fleming and T. J. Whitley, Electron. Lett. 27, 1959 (1991).
[CrossRef]

Garcia, H.

H. Garcia, A. M. Johnson, and S. Trivedi, in Conference on Lasers and Electro-Optics (CLEO/US) (Optical Society of America, Washington, D.C., 1999), pp. 209–210.

H. Garcia, A. M. Johnson, and S. Trivedi, in Conference on Lasers and Electro-Optics (CLEO), Vol. 56 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2001), pp. 351–352.

Han, W.-T.

T.-J. Ahn, B.-H. Kim, B. H. Lee, Y. Chung, U.-C. Paek, and W.-T. Han, in Technical Digest of Optoelectronics and Communications Conference 2000 (Institute of Electronics, Information and Communication Engineers, Chiba, Japan, 2000), pp. 276–277.

Johnson, A. M.

H. Garcia, A. M. Johnson, and S. Trivedi, in Conference on Lasers and Electro-Optics (CLEO), Vol. 56 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2001), pp. 351–352.

H. Garcia, A. M. Johnson, and S. Trivedi, in Conference on Lasers and Electro-Optics (CLEO/US) (Optical Society of America, Washington, D.C., 1999), pp. 209–210.

Kato, T.

Kim, B.-H.

T.-J. Ahn, B.-H. Kim, B. H. Lee, Y. Chung, U.-C. Paek, and W.-T. Han, in Technical Digest of Optoelectronics and Communications Conference 2000 (Institute of Electronics, Information and Communication Engineers, Chiba, Japan, 2000), pp. 276–277.

Kim, K. S.

Lee, B. H.

B. H. Lee and J. Nishii, Appl. Opt. 38, 3450 (1999).
[CrossRef]

B. H. Lee and J. Nishii, Opt. Lett. 23, 1624 (1998).
[CrossRef]

T.-J. Ahn, B.-H. Kim, B. H. Lee, Y. Chung, U.-C. Paek, and W.-T. Han, in Technical Digest of Optoelectronics and Communications Conference 2000 (Institute of Electronics, Information and Communication Engineers, Chiba, Japan, 2000), pp. 276–277.

Nishii, J.

Nishimura, M.

Paek, U.-C.

T.-J. Ahn, B.-H. Kim, B. H. Lee, Y. Chung, U.-C. Paek, and W.-T. Han, in Technical Digest of Optoelectronics and Communications Conference 2000 (Institute of Electronics, Information and Communication Engineers, Chiba, Japan, 2000), pp. 276–277.

Pantell, R. H.

M. J. F. Digonnet, R. W. Sadowski, H. J. Shaw, and R. H. Pantell, Opt. Fiber Technol. 3, 44 (1997).
[CrossRef]

R. H. Pantell, M. J. F. Digonnet, R. W. Sadowski, and H. J. Shaw, J. Lightwave Technol. 11, 1416 (1993).
[CrossRef]

Quoi, K. W.

Reed, W. A.

Sadowski, R. W.

M. J. F. Digonnet, R. W. Sadowski, H. J. Shaw, and R. H. Pantell, Opt. Fiber Technol. 3, 44 (1997).
[CrossRef]

R. H. Pantell, M. J. F. Digonnet, R. W. Sadowski, and H. J. Shaw, J. Lightwave Technol. 11, 1416 (1993).
[CrossRef]

Sasaoka, E.

Shaw, H. J.

M. J. F. Digonnet, R. W. Sadowski, H. J. Shaw, and R. H. Pantell, Opt. Fiber Technol. 3, 44 (1997).
[CrossRef]

R. H. Pantell, M. J. F. Digonnet, R. W. Sadowski, and H. J. Shaw, J. Lightwave Technol. 11, 1416 (1993).
[CrossRef]

Stolen, R. H.

Suetsugu, Y.

Takagi, M.

Trivedi, S.

H. Garcia, A. M. Johnson, and S. Trivedi, in Conference on Lasers and Electro-Optics (CLEO/US) (Optical Society of America, Washington, D.C., 1999), pp. 209–210.

H. Garcia, A. M. Johnson, and S. Trivedi, in Conference on Lasers and Electro-Optics (CLEO), Vol. 56 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2001), pp. 351–352.

Whitbread, T.

Whitley, T. J.

S. C. Fleming and T. J. Whitley, Electron. Lett. 27, 1959 (1991).
[CrossRef]

Appl. Opt. (1)

Electron. Lett. (1)

S. C. Fleming and T. J. Whitley, Electron. Lett. 27, 1959 (1991).
[CrossRef]

J. Lightwave Technol. (2)

J. W. Arkwright, P. Elango, G. R. Atkins, T. Whitbread, and M. J. F. Digonnet, J. Lightwave Technol. 16, 798 (1998).
[CrossRef]

R. H. Pantell, M. J. F. Digonnet, R. W. Sadowski, and H. J. Shaw, J. Lightwave Technol. 11, 1416 (1993).
[CrossRef]

Opt. Fiber Technol. (1)

M. J. F. Digonnet, R. W. Sadowski, H. J. Shaw, and R. H. Pantell, Opt. Fiber Technol. 3, 44 (1997).
[CrossRef]

Opt. Lett. (3)

Other (4)

H. Garcia, A. M. Johnson, and S. Trivedi, in Conference on Lasers and Electro-Optics (CLEO), Vol. 56 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2001), pp. 351–352.

H. Garcia, A. M. Johnson, and S. Trivedi, in Conference on Lasers and Electro-Optics (CLEO/US) (Optical Society of America, Washington, D.C., 1999), pp. 209–210.

G. P. Agrawal, Nonlinear Fiber Optics, 2nd ed. (Academic, San Diego, Calif., 1995).

T.-J. Ahn, B.-H. Kim, B. H. Lee, Y. Chung, U.-C. Paek, and W.-T. Han, in Technical Digest of Optoelectronics and Communications Conference 2000 (Institute of Electronics, Information and Communication Engineers, Chiba, Japan, 2000), pp. 276–277.

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Figures (4)

Fig. 1
Fig. 1

Schematic diagram of the setup for resonant nonlinearity measurement of nonlinear optical fiber by use of a LPG pair. WDMs, wavelength-division multiplexers; OSA, optical spectrum analyzer.

Fig. 2
Fig. 2

Transmission spectra near 1580 nm of the Yb3+/Al3+ codoped nonlinear optical fiber with the LPG pair on pumping with the LD at 980 nm.

Fig. 3
Fig. 3

(a) Wavelength shift of the interference fringes and the corresponding phase shift, and the theoretical4 phase shift near 1580 nm with the pump power for the Yb3+/Al3+ codoped germanosilicate glass fiber. (b) Wavelength shift of the interference fringes for the boron codoped germanosilicate glass fiber.

Fig. 4
Fig. 4

Nonlinear refractive index of the Yb3+/Al3+ codoped fiber at 1580 nm with the pump power of the LD at 980 nm.

Equations (4)

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ψβcore-βclad2L2-d+βcoreNLO-βcladNLOL1,
0L1ΔncoreNLOzdz=λpSΔλ,
Δψλp=2πλp0L1ΔncoreNLOzdz2πλpn2Leff2bPpumpAeff,
n2=AeffLeff2bPpumpλpSΔλ.

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