Abstract

We report a novel nonlinear filter that transmits and shortens incident pulses while rejecting cw background as well as resonant continuum. A relative extinction of 22  dB is reported for the cw background.

© 1997 Optical Society of America

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References

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  1. N. J. Doran and D. Wood, Opt. Lett. 13, 56 (1988).
    [CrossRef] [PubMed]
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    [CrossRef]
  4. D. M. Patrick, A. D. Ellis, and D. M. Spirit, Electron. Lett. 29, 702 (1993); K. Uchiyama, H. Takara, T. Morioka, S. Kawanishi, and M. Saruwatari, Electron. Lett. 32, 1989 (1996).
    [CrossRef]
  5. I. N. Duling, Electron. Lett. 27, 544 (1991);D. J. Richardson, R. I. Laming, D. N. Payne, V. Matsas, and M. W. Phillips, Electron. Lett. 27, 542 (1991); S. Wu, J. Strait, and R. L. Fork, Opt. Lett. 18, 1444 (1993)
    [CrossRef] [PubMed]
  6. A. L. Steele, Electron. Lett. 29, 1971 (1993).
    [CrossRef]
  7. W. S. Wong, S. Namiki, M. Margalit, E. P. Ippen, and H. A. Haus, in Optical Fiber Communication, Vol. 6 of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), postdeadline paper PD-8.
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    [CrossRef] [PubMed]
  9. S. Namiki, E. P. Ippen, H. A. Haus, and K. Tamura, Appl. Phys. Lett. 69, 3969 (1996).
    [CrossRef]

1996 (1)

S. Namiki, E. P. Ippen, H. A. Haus, and K. Tamura, Appl. Phys. Lett. 69, 3969 (1996).
[CrossRef]

1995 (1)

1993 (2)

A. L. Steele, Electron. Lett. 29, 1971 (1993).
[CrossRef]

D. M. Patrick, A. D. Ellis, and D. M. Spirit, Electron. Lett. 29, 702 (1993); K. Uchiyama, H. Takara, T. Morioka, S. Kawanishi, and M. Saruwatari, Electron. Lett. 32, 1989 (1996).
[CrossRef]

1991 (1)

I. N. Duling, Electron. Lett. 27, 544 (1991);D. J. Richardson, R. I. Laming, D. N. Payne, V. Matsas, and M. W. Phillips, Electron. Lett. 27, 542 (1991); S. Wu, J. Strait, and R. L. Fork, Opt. Lett. 18, 1444 (1993)
[CrossRef] [PubMed]

1990 (2)

1988 (1)

Blow, K. J.

Doran, N. J.

Duling, I. N.

I. N. Duling, Electron. Lett. 27, 544 (1991);D. J. Richardson, R. I. Laming, D. N. Payne, V. Matsas, and M. W. Phillips, Electron. Lett. 27, 542 (1991); S. Wu, J. Strait, and R. L. Fork, Opt. Lett. 18, 1444 (1993)
[CrossRef] [PubMed]

Ellis, A. D.

D. M. Patrick, A. D. Ellis, and D. M. Spirit, Electron. Lett. 29, 702 (1993); K. Uchiyama, H. Takara, T. Morioka, S. Kawanishi, and M. Saruwatari, Electron. Lett. 32, 1989 (1996).
[CrossRef]

Fermann, M. E.

Haberl, F.

Haus, H. A.

S. Namiki, E. P. Ippen, H. A. Haus, and K. Tamura, Appl. Phys. Lett. 69, 3969 (1996).
[CrossRef]

W. S. Wong, S. Namiki, M. Margalit, E. P. Ippen, and H. A. Haus, in Optical Fiber Communication, Vol. 6 of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), postdeadline paper PD-8.

Hochreiter, H.

Hofer, M.

Ippen, E. P.

S. Namiki, E. P. Ippen, H. A. Haus, and K. Tamura, Appl. Phys. Lett. 69, 3969 (1996).
[CrossRef]

W. S. Wong, S. Namiki, M. Margalit, E. P. Ippen, and H. A. Haus, in Optical Fiber Communication, Vol. 6 of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), postdeadline paper PD-8.

Margalit, M.

W. S. Wong, S. Namiki, M. Margalit, E. P. Ippen, and H. A. Haus, in Optical Fiber Communication, Vol. 6 of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), postdeadline paper PD-8.

Mori, K.

Morioka, T.

Namiki, S.

S. Namiki, E. P. Ippen, H. A. Haus, and K. Tamura, Appl. Phys. Lett. 69, 3969 (1996).
[CrossRef]

W. S. Wong, S. Namiki, M. Margalit, E. P. Ippen, and H. A. Haus, in Optical Fiber Communication, Vol. 6 of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), postdeadline paper PD-8.

Nayar, B. K.

Patrick, D. M.

D. M. Patrick, A. D. Ellis, and D. M. Spirit, Electron. Lett. 29, 702 (1993); K. Uchiyama, H. Takara, T. Morioka, S. Kawanishi, and M. Saruwatari, Electron. Lett. 32, 1989 (1996).
[CrossRef]

Saruwatari, M.

Spirit, D. M.

D. M. Patrick, A. D. Ellis, and D. M. Spirit, Electron. Lett. 29, 702 (1993); K. Uchiyama, H. Takara, T. Morioka, S. Kawanishi, and M. Saruwatari, Electron. Lett. 32, 1989 (1996).
[CrossRef]

Steele, A. L.

A. L. Steele, Electron. Lett. 29, 1971 (1993).
[CrossRef]

Tamura, K.

S. Namiki, E. P. Ippen, H. A. Haus, and K. Tamura, Appl. Phys. Lett. 69, 3969 (1996).
[CrossRef]

Wong, W. S.

W. S. Wong, S. Namiki, M. Margalit, E. P. Ippen, and H. A. Haus, in Optical Fiber Communication, Vol. 6 of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), postdeadline paper PD-8.

Wood, D.

Appl. Phys. Lett. (1)

S. Namiki, E. P. Ippen, H. A. Haus, and K. Tamura, Appl. Phys. Lett. 69, 3969 (1996).
[CrossRef]

Electron. Lett. (3)

D. M. Patrick, A. D. Ellis, and D. M. Spirit, Electron. Lett. 29, 702 (1993); K. Uchiyama, H. Takara, T. Morioka, S. Kawanishi, and M. Saruwatari, Electron. Lett. 32, 1989 (1996).
[CrossRef]

I. N. Duling, Electron. Lett. 27, 544 (1991);D. J. Richardson, R. I. Laming, D. N. Payne, V. Matsas, and M. W. Phillips, Electron. Lett. 27, 542 (1991); S. Wu, J. Strait, and R. L. Fork, Opt. Lett. 18, 1444 (1993)
[CrossRef] [PubMed]

A. L. Steele, Electron. Lett. 29, 1971 (1993).
[CrossRef]

Opt. Lett. (4)

Other (1)

W. S. Wong, S. Namiki, M. Margalit, E. P. Ippen, and H. A. Haus, in Optical Fiber Communication, Vol. 6 of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), postdeadline paper PD-8.

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Figures (6)

Fig. 1
Fig. 1

(a) Conceptual operation of a dispersion-imbalanced loop mirror showing pulse stretching and compression: SMF, single-mode fiber; DCF, dispersion-compensating fiber; DSF, dispersion-shifted fiber; 50/50, 50/50 coupler. (b) Plots of the peak intensity for pulse input as a function of distance along the two propagation directions, counterclockwise (CCW) and clockwise (CW).

Fig. 2
Fig. 2

Theoretical transmission functions of (a) a NOLM with a 42/58 coupler for pulses and cw operation where Ein=N2 and ET=TN2 and (b) a dispersion-imbalanced loop mirror, where D1=1.0, D2=0.1, and L1=L2=5.8z0.

Fig. 3
Fig. 3

Experimental setup: PC, polarization controller, EDFA, erbium–doped fiber amplifier; I1, I2 and O1, O2 are the input and output ports of the 50/50 coupler, respectively.

Fig. 4
Fig. 4

Switching characteristics of the dispersion-imbalanced loop mirror.

Fig. 5
Fig. 5

(a) Input optical spectrum at port  I1, (b) output optical spectrum at port  I2.

Fig. 6
Fig. 6

Autocorrelations of the input pulse τFWHM=400 fs and the transmitted pulse τFWHM=230 fs: (a) linear scale, (b) log scale. SHG, second-harmonic generation.

Equations (1)

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uz+j2Di2ut2+ju2u=0.

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