Abstract

It is known that a decoupled two-core fiber can prevent monochromatic light at a specific wavelength (the decoupling wavelength) launched into one core from coupling to the other core. In this paper, we show that a pulse at the decoupling wavelength launched into one core of such a fiber inevitably splits into two pairs of pulses propagating in the two cores along the fiber. The minimum distance required for pulse splitting to be visible is inversely proportional to the coupling-coefficient dispersion in the fiber and linearly proportional to the pulse width. It would take only several centimeters of a recently demonstrated decoupled two-core photonic-bandgap fiber to observe the pulse-splitting effect with a 100-fs pulse. We also study the effects of self-phase modulation on the pulse propagation dynamics in a decoupled two-core fiber in both the normal and anomalous dispersion regimes.

© 2010 OSA

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References

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  1. A. W. Snyder, “Coupled-mode theory for optical fibers,” J. Opt. Soc. Am. 62(11), 1267–1277 (1972).
    [CrossRef]
  2. C. G. Someda, “Antiresonant decoupling of parallel dielectric waveguides,” Opt. Lett. 16(16), 1240–1242 (1991).
    [CrossRef] [PubMed]
  3. S. Boscolo, M. Midrio, and C. G. Someda, “Coupling and decoupling of electromagnetic waves in parallel 2D photonic crystal waveguides,” IEEE J. Quantum Electron. 38(1), 47–53 (2002).
    [CrossRef]
  4. F. S.-S. Chien, Y.-J. Hsu, W.-F. Hsieh, and S.-C. Cheng, “Dual wavelength demultiplexing by coupling and decoupling of photonic crystal waveguides,” Opt. Express 12(6), 1119–1125 (2004).
    [CrossRef] [PubMed]
  5. Y. Tanaka, H. Nakamura, Y. Sugimoto, N. Ikeda, K. Asakawa, and K. Inoue, “Coupling properties in a 2-D photonic crystal slab directional coupler with a triangular lattice of air holes,” IEEE J. Quantum Electron. 41(1), 76–84 (2005).
    [CrossRef]
  6. Z. Wang, G. Kai, Y. Liu, J. Liu, C. Zhang, T. Sun, C. Wang, W. Zhang, S. Yuan, and X. Dong, “Coupling and decoupling of dual-core photonic bandgap fibers,” Opt. Lett. 30(19), 2542–2544 (2005).
    [CrossRef] [PubMed]
  7. Z. Wang, T. Taru, T. A. Birks, J. C. Knight, Y. Liu, and J. Du, “Coupling in dual-core photonic bandgap fibers: theory and experiment,” Opt. Express 15(8), 4795–4803 (2007).
    [CrossRef] [PubMed]
  8. K. S. Chiang, “Theory of pulse propagation in optical directional couplers,” J. Nonlinear Opt. Phys. Mater. 14(2), 133–147 (2005).
    [CrossRef]
  9. K. S. Chiang, “Intermodal dispersion in two-core optical fibers,” Opt. Lett. 20(9), 997–999 (1995).
    [CrossRef] [PubMed]
  10. K. S. Chiang, “Coupled-mode equations for pulse switching in parallel waveguides,” IEEE J. Quantum Electron. 33(6), 950–954 (1997).
    [CrossRef]
  11. K. S. Chiang, “Propagation of short optical pulses in directional couplers with Kerr nonlinearity,” J. Opt. Soc. Am. B 14(6), 1437–1443 (1997).
    [CrossRef]
  12. K. S. Chiang, Y. T. Chow, D. J. Richardson, D. Traverner, L. Dong, L. Reekie, and K. M. Lo, “Experimental demonstration of intermodal dispersion in a two-core optical fiber,” Opt. Commun. 143(4-6), 189–192 (1997).
    [CrossRef]
  13. P. Peterka, P. Honzatko, J. Kanka, V. Matejec, and I. Kasik, “Generation of high-repetition rate pulse trains in a fiber laser through a twin-core fiber,” Proc. SPIE 5036, 376–381 (2003).
    [CrossRef]
  14. M. Liu, K. S. Chiang, and P. Shum, “Evaluation of intermodal dispersion in a two-core fiber with non-identical cores,” Opt. Commun. 219(1-6), 171–176 (2003).
    [CrossRef]
  15. P. Shum, K. S. Chiang, and W. A. Gambling, “Switching dynamics of short optical pulses in a nonlinear directional coupler,” IEEE J. Quantum Electron. 35(1), 79–83 (1999).
    [CrossRef]
  16. P. M. Ramos and C. R. Paiva, “All-optical pulse switching in twin-core fiber couplers with intermodal dispersion,” IEEE J. Quantum Electron. 35(6), 983–989 (1999).
    [CrossRef]
  17. S. C. Tsang, K. S. Chiang, and K. W. Chow, “Soliton interaction in a two-core optical fiber,” Opt. Commun. 229(1-6), 431–439 (2004).
    [CrossRef]
  18. M. Liu, K. S. Chiang, and P. Shum, “Propagation of short pulses in an active nonlinear two-core optical fiber,” IEEE J. Quantum Electron. 40(11), 1597–1602 (2004).
    [CrossRef]
  19. M. Liu and K. S. Chiang, “Propagation of ultrashort pulses in a nonlinear two-core photonic crystal fiber,” Appl. Phys. B 98(4), 815–820 (2010).
    [CrossRef]
  20. H. Nakatsuka, D. Grischkowsky, and A. C. Balant, “Nonlinear picosecond-pulse propagation through optical fibers with positive group velocity dispersion,” Phys. Rev. Lett. 47(13), 910–913 (1981).
    [CrossRef]
  21. W. J. Tomlinson, R. H. Stolen, and A. M. Johnson, “Optical wave breaking of pulses in nonlinear optical fibers,” Opt. Lett. 10(9), 457–459 (1985).
    [CrossRef] [PubMed]

2010 (1)

M. Liu and K. S. Chiang, “Propagation of ultrashort pulses in a nonlinear two-core photonic crystal fiber,” Appl. Phys. B 98(4), 815–820 (2010).
[CrossRef]

2007 (1)

2005 (3)

Z. Wang, G. Kai, Y. Liu, J. Liu, C. Zhang, T. Sun, C. Wang, W. Zhang, S. Yuan, and X. Dong, “Coupling and decoupling of dual-core photonic bandgap fibers,” Opt. Lett. 30(19), 2542–2544 (2005).
[CrossRef] [PubMed]

Y. Tanaka, H. Nakamura, Y. Sugimoto, N. Ikeda, K. Asakawa, and K. Inoue, “Coupling properties in a 2-D photonic crystal slab directional coupler with a triangular lattice of air holes,” IEEE J. Quantum Electron. 41(1), 76–84 (2005).
[CrossRef]

K. S. Chiang, “Theory of pulse propagation in optical directional couplers,” J. Nonlinear Opt. Phys. Mater. 14(2), 133–147 (2005).
[CrossRef]

2004 (3)

S. C. Tsang, K. S. Chiang, and K. W. Chow, “Soliton interaction in a two-core optical fiber,” Opt. Commun. 229(1-6), 431–439 (2004).
[CrossRef]

M. Liu, K. S. Chiang, and P. Shum, “Propagation of short pulses in an active nonlinear two-core optical fiber,” IEEE J. Quantum Electron. 40(11), 1597–1602 (2004).
[CrossRef]

F. S.-S. Chien, Y.-J. Hsu, W.-F. Hsieh, and S.-C. Cheng, “Dual wavelength demultiplexing by coupling and decoupling of photonic crystal waveguides,” Opt. Express 12(6), 1119–1125 (2004).
[CrossRef] [PubMed]

2003 (2)

P. Peterka, P. Honzatko, J. Kanka, V. Matejec, and I. Kasik, “Generation of high-repetition rate pulse trains in a fiber laser through a twin-core fiber,” Proc. SPIE 5036, 376–381 (2003).
[CrossRef]

M. Liu, K. S. Chiang, and P. Shum, “Evaluation of intermodal dispersion in a two-core fiber with non-identical cores,” Opt. Commun. 219(1-6), 171–176 (2003).
[CrossRef]

2002 (1)

S. Boscolo, M. Midrio, and C. G. Someda, “Coupling and decoupling of electromagnetic waves in parallel 2D photonic crystal waveguides,” IEEE J. Quantum Electron. 38(1), 47–53 (2002).
[CrossRef]

1999 (2)

P. Shum, K. S. Chiang, and W. A. Gambling, “Switching dynamics of short optical pulses in a nonlinear directional coupler,” IEEE J. Quantum Electron. 35(1), 79–83 (1999).
[CrossRef]

P. M. Ramos and C. R. Paiva, “All-optical pulse switching in twin-core fiber couplers with intermodal dispersion,” IEEE J. Quantum Electron. 35(6), 983–989 (1999).
[CrossRef]

1997 (3)

K. S. Chiang, Y. T. Chow, D. J. Richardson, D. Traverner, L. Dong, L. Reekie, and K. M. Lo, “Experimental demonstration of intermodal dispersion in a two-core optical fiber,” Opt. Commun. 143(4-6), 189–192 (1997).
[CrossRef]

K. S. Chiang, “Propagation of short optical pulses in directional couplers with Kerr nonlinearity,” J. Opt. Soc. Am. B 14(6), 1437–1443 (1997).
[CrossRef]

K. S. Chiang, “Coupled-mode equations for pulse switching in parallel waveguides,” IEEE J. Quantum Electron. 33(6), 950–954 (1997).
[CrossRef]

1995 (1)

1991 (1)

1985 (1)

1981 (1)

H. Nakatsuka, D. Grischkowsky, and A. C. Balant, “Nonlinear picosecond-pulse propagation through optical fibers with positive group velocity dispersion,” Phys. Rev. Lett. 47(13), 910–913 (1981).
[CrossRef]

1972 (1)

Asakawa, K.

Y. Tanaka, H. Nakamura, Y. Sugimoto, N. Ikeda, K. Asakawa, and K. Inoue, “Coupling properties in a 2-D photonic crystal slab directional coupler with a triangular lattice of air holes,” IEEE J. Quantum Electron. 41(1), 76–84 (2005).
[CrossRef]

Balant, A. C.

H. Nakatsuka, D. Grischkowsky, and A. C. Balant, “Nonlinear picosecond-pulse propagation through optical fibers with positive group velocity dispersion,” Phys. Rev. Lett. 47(13), 910–913 (1981).
[CrossRef]

Birks, T. A.

Boscolo, S.

S. Boscolo, M. Midrio, and C. G. Someda, “Coupling and decoupling of electromagnetic waves in parallel 2D photonic crystal waveguides,” IEEE J. Quantum Electron. 38(1), 47–53 (2002).
[CrossRef]

Cheng, S.-C.

Chiang, K. S.

M. Liu and K. S. Chiang, “Propagation of ultrashort pulses in a nonlinear two-core photonic crystal fiber,” Appl. Phys. B 98(4), 815–820 (2010).
[CrossRef]

K. S. Chiang, “Theory of pulse propagation in optical directional couplers,” J. Nonlinear Opt. Phys. Mater. 14(2), 133–147 (2005).
[CrossRef]

S. C. Tsang, K. S. Chiang, and K. W. Chow, “Soliton interaction in a two-core optical fiber,” Opt. Commun. 229(1-6), 431–439 (2004).
[CrossRef]

M. Liu, K. S. Chiang, and P. Shum, “Propagation of short pulses in an active nonlinear two-core optical fiber,” IEEE J. Quantum Electron. 40(11), 1597–1602 (2004).
[CrossRef]

M. Liu, K. S. Chiang, and P. Shum, “Evaluation of intermodal dispersion in a two-core fiber with non-identical cores,” Opt. Commun. 219(1-6), 171–176 (2003).
[CrossRef]

P. Shum, K. S. Chiang, and W. A. Gambling, “Switching dynamics of short optical pulses in a nonlinear directional coupler,” IEEE J. Quantum Electron. 35(1), 79–83 (1999).
[CrossRef]

K. S. Chiang, “Coupled-mode equations for pulse switching in parallel waveguides,” IEEE J. Quantum Electron. 33(6), 950–954 (1997).
[CrossRef]

K. S. Chiang, “Propagation of short optical pulses in directional couplers with Kerr nonlinearity,” J. Opt. Soc. Am. B 14(6), 1437–1443 (1997).
[CrossRef]

K. S. Chiang, Y. T. Chow, D. J. Richardson, D. Traverner, L. Dong, L. Reekie, and K. M. Lo, “Experimental demonstration of intermodal dispersion in a two-core optical fiber,” Opt. Commun. 143(4-6), 189–192 (1997).
[CrossRef]

K. S. Chiang, “Intermodal dispersion in two-core optical fibers,” Opt. Lett. 20(9), 997–999 (1995).
[CrossRef] [PubMed]

Chien, F. S.-S.

Chow, K. W.

S. C. Tsang, K. S. Chiang, and K. W. Chow, “Soliton interaction in a two-core optical fiber,” Opt. Commun. 229(1-6), 431–439 (2004).
[CrossRef]

Chow, Y. T.

K. S. Chiang, Y. T. Chow, D. J. Richardson, D. Traverner, L. Dong, L. Reekie, and K. M. Lo, “Experimental demonstration of intermodal dispersion in a two-core optical fiber,” Opt. Commun. 143(4-6), 189–192 (1997).
[CrossRef]

Dong, L.

K. S. Chiang, Y. T. Chow, D. J. Richardson, D. Traverner, L. Dong, L. Reekie, and K. M. Lo, “Experimental demonstration of intermodal dispersion in a two-core optical fiber,” Opt. Commun. 143(4-6), 189–192 (1997).
[CrossRef]

Dong, X.

Du, J.

Gambling, W. A.

P. Shum, K. S. Chiang, and W. A. Gambling, “Switching dynamics of short optical pulses in a nonlinear directional coupler,” IEEE J. Quantum Electron. 35(1), 79–83 (1999).
[CrossRef]

Grischkowsky, D.

H. Nakatsuka, D. Grischkowsky, and A. C. Balant, “Nonlinear picosecond-pulse propagation through optical fibers with positive group velocity dispersion,” Phys. Rev. Lett. 47(13), 910–913 (1981).
[CrossRef]

Honzatko, P.

P. Peterka, P. Honzatko, J. Kanka, V. Matejec, and I. Kasik, “Generation of high-repetition rate pulse trains in a fiber laser through a twin-core fiber,” Proc. SPIE 5036, 376–381 (2003).
[CrossRef]

Hsieh, W.-F.

Hsu, Y.-J.

Ikeda, N.

Y. Tanaka, H. Nakamura, Y. Sugimoto, N. Ikeda, K. Asakawa, and K. Inoue, “Coupling properties in a 2-D photonic crystal slab directional coupler with a triangular lattice of air holes,” IEEE J. Quantum Electron. 41(1), 76–84 (2005).
[CrossRef]

Inoue, K.

Y. Tanaka, H. Nakamura, Y. Sugimoto, N. Ikeda, K. Asakawa, and K. Inoue, “Coupling properties in a 2-D photonic crystal slab directional coupler with a triangular lattice of air holes,” IEEE J. Quantum Electron. 41(1), 76–84 (2005).
[CrossRef]

Johnson, A. M.

Kai, G.

Kanka, J.

P. Peterka, P. Honzatko, J. Kanka, V. Matejec, and I. Kasik, “Generation of high-repetition rate pulse trains in a fiber laser through a twin-core fiber,” Proc. SPIE 5036, 376–381 (2003).
[CrossRef]

Kasik, I.

P. Peterka, P. Honzatko, J. Kanka, V. Matejec, and I. Kasik, “Generation of high-repetition rate pulse trains in a fiber laser through a twin-core fiber,” Proc. SPIE 5036, 376–381 (2003).
[CrossRef]

Knight, J. C.

Liu, J.

Liu, M.

M. Liu and K. S. Chiang, “Propagation of ultrashort pulses in a nonlinear two-core photonic crystal fiber,” Appl. Phys. B 98(4), 815–820 (2010).
[CrossRef]

M. Liu, K. S. Chiang, and P. Shum, “Propagation of short pulses in an active nonlinear two-core optical fiber,” IEEE J. Quantum Electron. 40(11), 1597–1602 (2004).
[CrossRef]

M. Liu, K. S. Chiang, and P. Shum, “Evaluation of intermodal dispersion in a two-core fiber with non-identical cores,” Opt. Commun. 219(1-6), 171–176 (2003).
[CrossRef]

Liu, Y.

Lo, K. M.

K. S. Chiang, Y. T. Chow, D. J. Richardson, D. Traverner, L. Dong, L. Reekie, and K. M. Lo, “Experimental demonstration of intermodal dispersion in a two-core optical fiber,” Opt. Commun. 143(4-6), 189–192 (1997).
[CrossRef]

Matejec, V.

P. Peterka, P. Honzatko, J. Kanka, V. Matejec, and I. Kasik, “Generation of high-repetition rate pulse trains in a fiber laser through a twin-core fiber,” Proc. SPIE 5036, 376–381 (2003).
[CrossRef]

Midrio, M.

S. Boscolo, M. Midrio, and C. G. Someda, “Coupling and decoupling of electromagnetic waves in parallel 2D photonic crystal waveguides,” IEEE J. Quantum Electron. 38(1), 47–53 (2002).
[CrossRef]

Nakamura, H.

Y. Tanaka, H. Nakamura, Y. Sugimoto, N. Ikeda, K. Asakawa, and K. Inoue, “Coupling properties in a 2-D photonic crystal slab directional coupler with a triangular lattice of air holes,” IEEE J. Quantum Electron. 41(1), 76–84 (2005).
[CrossRef]

Nakatsuka, H.

H. Nakatsuka, D. Grischkowsky, and A. C. Balant, “Nonlinear picosecond-pulse propagation through optical fibers with positive group velocity dispersion,” Phys. Rev. Lett. 47(13), 910–913 (1981).
[CrossRef]

Paiva, C. R.

P. M. Ramos and C. R. Paiva, “All-optical pulse switching in twin-core fiber couplers with intermodal dispersion,” IEEE J. Quantum Electron. 35(6), 983–989 (1999).
[CrossRef]

Peterka, P.

P. Peterka, P. Honzatko, J. Kanka, V. Matejec, and I. Kasik, “Generation of high-repetition rate pulse trains in a fiber laser through a twin-core fiber,” Proc. SPIE 5036, 376–381 (2003).
[CrossRef]

Ramos, P. M.

P. M. Ramos and C. R. Paiva, “All-optical pulse switching in twin-core fiber couplers with intermodal dispersion,” IEEE J. Quantum Electron. 35(6), 983–989 (1999).
[CrossRef]

Reekie, L.

K. S. Chiang, Y. T. Chow, D. J. Richardson, D. Traverner, L. Dong, L. Reekie, and K. M. Lo, “Experimental demonstration of intermodal dispersion in a two-core optical fiber,” Opt. Commun. 143(4-6), 189–192 (1997).
[CrossRef]

Richardson, D. J.

K. S. Chiang, Y. T. Chow, D. J. Richardson, D. Traverner, L. Dong, L. Reekie, and K. M. Lo, “Experimental demonstration of intermodal dispersion in a two-core optical fiber,” Opt. Commun. 143(4-6), 189–192 (1997).
[CrossRef]

Shum, P.

M. Liu, K. S. Chiang, and P. Shum, “Propagation of short pulses in an active nonlinear two-core optical fiber,” IEEE J. Quantum Electron. 40(11), 1597–1602 (2004).
[CrossRef]

M. Liu, K. S. Chiang, and P. Shum, “Evaluation of intermodal dispersion in a two-core fiber with non-identical cores,” Opt. Commun. 219(1-6), 171–176 (2003).
[CrossRef]

P. Shum, K. S. Chiang, and W. A. Gambling, “Switching dynamics of short optical pulses in a nonlinear directional coupler,” IEEE J. Quantum Electron. 35(1), 79–83 (1999).
[CrossRef]

Snyder, A. W.

Someda, C. G.

S. Boscolo, M. Midrio, and C. G. Someda, “Coupling and decoupling of electromagnetic waves in parallel 2D photonic crystal waveguides,” IEEE J. Quantum Electron. 38(1), 47–53 (2002).
[CrossRef]

C. G. Someda, “Antiresonant decoupling of parallel dielectric waveguides,” Opt. Lett. 16(16), 1240–1242 (1991).
[CrossRef] [PubMed]

Stolen, R. H.

Sugimoto, Y.

Y. Tanaka, H. Nakamura, Y. Sugimoto, N. Ikeda, K. Asakawa, and K. Inoue, “Coupling properties in a 2-D photonic crystal slab directional coupler with a triangular lattice of air holes,” IEEE J. Quantum Electron. 41(1), 76–84 (2005).
[CrossRef]

Sun, T.

Tanaka, Y.

Y. Tanaka, H. Nakamura, Y. Sugimoto, N. Ikeda, K. Asakawa, and K. Inoue, “Coupling properties in a 2-D photonic crystal slab directional coupler with a triangular lattice of air holes,” IEEE J. Quantum Electron. 41(1), 76–84 (2005).
[CrossRef]

Taru, T.

Tomlinson, W. J.

Traverner, D.

K. S. Chiang, Y. T. Chow, D. J. Richardson, D. Traverner, L. Dong, L. Reekie, and K. M. Lo, “Experimental demonstration of intermodal dispersion in a two-core optical fiber,” Opt. Commun. 143(4-6), 189–192 (1997).
[CrossRef]

Tsang, S. C.

S. C. Tsang, K. S. Chiang, and K. W. Chow, “Soliton interaction in a two-core optical fiber,” Opt. Commun. 229(1-6), 431–439 (2004).
[CrossRef]

Wang, C.

Wang, Z.

Yuan, S.

Zhang, C.

Zhang, W.

Appl. Phys. B (1)

M. Liu and K. S. Chiang, “Propagation of ultrashort pulses in a nonlinear two-core photonic crystal fiber,” Appl. Phys. B 98(4), 815–820 (2010).
[CrossRef]

IEEE J. Quantum Electron. (6)

M. Liu, K. S. Chiang, and P. Shum, “Propagation of short pulses in an active nonlinear two-core optical fiber,” IEEE J. Quantum Electron. 40(11), 1597–1602 (2004).
[CrossRef]

S. Boscolo, M. Midrio, and C. G. Someda, “Coupling and decoupling of electromagnetic waves in parallel 2D photonic crystal waveguides,” IEEE J. Quantum Electron. 38(1), 47–53 (2002).
[CrossRef]

Y. Tanaka, H. Nakamura, Y. Sugimoto, N. Ikeda, K. Asakawa, and K. Inoue, “Coupling properties in a 2-D photonic crystal slab directional coupler with a triangular lattice of air holes,” IEEE J. Quantum Electron. 41(1), 76–84 (2005).
[CrossRef]

K. S. Chiang, “Coupled-mode equations for pulse switching in parallel waveguides,” IEEE J. Quantum Electron. 33(6), 950–954 (1997).
[CrossRef]

P. Shum, K. S. Chiang, and W. A. Gambling, “Switching dynamics of short optical pulses in a nonlinear directional coupler,” IEEE J. Quantum Electron. 35(1), 79–83 (1999).
[CrossRef]

P. M. Ramos and C. R. Paiva, “All-optical pulse switching in twin-core fiber couplers with intermodal dispersion,” IEEE J. Quantum Electron. 35(6), 983–989 (1999).
[CrossRef]

J. Nonlinear Opt. Phys. Mater. (1)

K. S. Chiang, “Theory of pulse propagation in optical directional couplers,” J. Nonlinear Opt. Phys. Mater. 14(2), 133–147 (2005).
[CrossRef]

J. Opt. Soc. Am. (1)

J. Opt. Soc. Am. B (1)

Opt. Commun. (3)

K. S. Chiang, Y. T. Chow, D. J. Richardson, D. Traverner, L. Dong, L. Reekie, and K. M. Lo, “Experimental demonstration of intermodal dispersion in a two-core optical fiber,” Opt. Commun. 143(4-6), 189–192 (1997).
[CrossRef]

S. C. Tsang, K. S. Chiang, and K. W. Chow, “Soliton interaction in a two-core optical fiber,” Opt. Commun. 229(1-6), 431–439 (2004).
[CrossRef]

M. Liu, K. S. Chiang, and P. Shum, “Evaluation of intermodal dispersion in a two-core fiber with non-identical cores,” Opt. Commun. 219(1-6), 171–176 (2003).
[CrossRef]

Opt. Express (2)

Opt. Lett. (4)

Phys. Rev. Lett. (1)

H. Nakatsuka, D. Grischkowsky, and A. C. Balant, “Nonlinear picosecond-pulse propagation through optical fibers with positive group velocity dispersion,” Phys. Rev. Lett. 47(13), 910–913 (1981).
[CrossRef]

Proc. SPIE (1)

P. Peterka, P. Honzatko, J. Kanka, V. Matejec, and I. Kasik, “Generation of high-repetition rate pulse trains in a fiber laser through a twin-core fiber,” Proc. SPIE 5036, 376–381 (2003).
[CrossRef]

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Figures (5)

Fig. 1
Fig. 1

Pulse propagation in a linear decoupled two-core fiber with C' = −1.0 ps/m and β 2 = 50 ps2/km for (a) T 0 = 100 fs and (b) T 0 = 1 ps.

Fig. 2
Fig. 2

Pulse propagation in a nonlinear normal dispersion decoupled two-core fiber with C' = −1.0 ps/m, β 2 = 50 ps2/km, and T 0 = 100 fs at three different input power levels: (a) P s, (b) 4P s, and (c) 9P s.

Fig. 3
Fig. 3

Pulse envelopes at different distances along a nonlinear normal dispersion decoupled two-core fiber with C' = −1.0 ps/m, β 2 = 50 ps2/km, and T 0 = 100 fs for three different input power levels: (a) P s, (b) 4P s, and (c) 9P s.

Fig. 4
Fig. 4

Pulse propagation in a nonlinear anomalous dispersion decoupled two-core fiber with C' = −1.0 ps/m, β 2 = −50 ps2/km, and T 0 = 100 fs at three different input power levels: (a) P s, (b) 4P s, and (c) 9P s.

Fig. 5
Fig. 5

Pulse envelopes at different distances along a nonlinear anomalous dispersion decoupled two-core fiber with C' = −1.0 ps/m, β 2 = −50 ps2/km, and T 0 = 100 fs for three different input power levels: (a) P s, (b) 4P s, and (c) 9P s.

Equations (8)

Equations on this page are rendered with MathJax. Learn more.

i a 1 z β 2 2 2 a 1 t 2 + γ | a 1 | 2 a 1 + C a 2 + i C a 2 t = 0
i a 2 z β 2 2 2 a 2 t 2 + γ | a 2 | 2 a 2 + C a 1 + i C a 1 t = 0
a 1 ( 0 , t ) = a 0 sech ( t ) , a 2 ( 0 , t ) = 0
a 1 ( z , t ) = 1 2 [ a ( t C ' z ) + a ( t + C ' z ) ]
a 2 ( z , t ) = 1 2 [ a ( t C ' z ) a ( t + C ' z ) ] .
| ( t C ' z ) ( t + C ' z ) | > T 0 .
z w = T 0 2 | C ' | .
P s = A eff λ | β 2 | 2 π n 2 T 0 2 .

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