Abstract

We demonstrate an active fiber polarization-rotation switch based on modulation instability operating near 1.5 μm that exhibits contrast ratios of up to 40:1 and small-signal gains of up to 40 dB. Modulation instability generates upper and lower sideband frequencies with different states of polarization from the pump at the fiber output. The high contrast ratio is achieved in part because intensity fluctuations with the pump alone do not lead to an output from the device.

© 1989 Optical Society of America

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References

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  1. M. N. Islam, S. P. Dijaili, J. P. Gordon, Opt. Lett. 13, 518 (1988).
    [CrossRef] [PubMed]
  2. A. Hasegawa, W. F. Brinkman, IEEE J. Quantum Electron. QE-16, 694 (1980).
    [CrossRef]
  3. K. Tai, A. Hasegawa, A. Tomita, Phys. Rev. Lett. 56, 135 (1986).
    [CrossRef] [PubMed]
  4. R. H. Stolen, IEEE J. Quantum Electron. QE-15, 1157 (1979).
    [CrossRef]
  5. C. R. Menyuk, IEEE J. Quantum Electron. QE-23, 174 (1987).
    [CrossRef]
  6. L. F. Mollenauer, J. P. Gordon, M. N. Islam, IEEE J. Quantum Electron. QE-22, 157 (1986).
    [CrossRef]
  7. R. H. Stolen, J. Botineau, A. Ashkin, Opt. Lett. 7, 512 (1982).
    [CrossRef] [PubMed]

1988 (1)

1987 (1)

C. R. Menyuk, IEEE J. Quantum Electron. QE-23, 174 (1987).
[CrossRef]

1986 (2)

L. F. Mollenauer, J. P. Gordon, M. N. Islam, IEEE J. Quantum Electron. QE-22, 157 (1986).
[CrossRef]

K. Tai, A. Hasegawa, A. Tomita, Phys. Rev. Lett. 56, 135 (1986).
[CrossRef] [PubMed]

1982 (1)

1980 (1)

A. Hasegawa, W. F. Brinkman, IEEE J. Quantum Electron. QE-16, 694 (1980).
[CrossRef]

1979 (1)

R. H. Stolen, IEEE J. Quantum Electron. QE-15, 1157 (1979).
[CrossRef]

Ashkin, A.

Botineau, J.

Brinkman, W. F.

A. Hasegawa, W. F. Brinkman, IEEE J. Quantum Electron. QE-16, 694 (1980).
[CrossRef]

Dijaili, S. P.

Gordon, J. P.

M. N. Islam, S. P. Dijaili, J. P. Gordon, Opt. Lett. 13, 518 (1988).
[CrossRef] [PubMed]

L. F. Mollenauer, J. P. Gordon, M. N. Islam, IEEE J. Quantum Electron. QE-22, 157 (1986).
[CrossRef]

Hasegawa, A.

K. Tai, A. Hasegawa, A. Tomita, Phys. Rev. Lett. 56, 135 (1986).
[CrossRef] [PubMed]

A. Hasegawa, W. F. Brinkman, IEEE J. Quantum Electron. QE-16, 694 (1980).
[CrossRef]

Islam, M. N.

M. N. Islam, S. P. Dijaili, J. P. Gordon, Opt. Lett. 13, 518 (1988).
[CrossRef] [PubMed]

L. F. Mollenauer, J. P. Gordon, M. N. Islam, IEEE J. Quantum Electron. QE-22, 157 (1986).
[CrossRef]

Menyuk, C. R.

C. R. Menyuk, IEEE J. Quantum Electron. QE-23, 174 (1987).
[CrossRef]

Mollenauer, L. F.

L. F. Mollenauer, J. P. Gordon, M. N. Islam, IEEE J. Quantum Electron. QE-22, 157 (1986).
[CrossRef]

Stolen, R. H.

Tai, K.

K. Tai, A. Hasegawa, A. Tomita, Phys. Rev. Lett. 56, 135 (1986).
[CrossRef] [PubMed]

Tomita, A.

K. Tai, A. Hasegawa, A. Tomita, Phys. Rev. Lett. 56, 135 (1986).
[CrossRef] [PubMed]

IEEE J. Quantum Electron. (4)

R. H. Stolen, IEEE J. Quantum Electron. QE-15, 1157 (1979).
[CrossRef]

C. R. Menyuk, IEEE J. Quantum Electron. QE-23, 174 (1987).
[CrossRef]

L. F. Mollenauer, J. P. Gordon, M. N. Islam, IEEE J. Quantum Electron. QE-22, 157 (1986).
[CrossRef]

A. Hasegawa, W. F. Brinkman, IEEE J. Quantum Electron. QE-16, 694 (1980).
[CrossRef]

Opt. Lett. (2)

Phys. Rev. Lett. (1)

K. Tai, A. Hasegawa, A. Tomita, Phys. Rev. Lett. 56, 135 (1986).
[CrossRef] [PubMed]

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Figures (4)

Fig. 1
Fig. 1

Experimental apparatus for the MIPRS. L's, lenses; M1, mirror; λ/2, half-wave plate.

Fig. 2
Fig. 2

Performance of the MIPRS as a function of the SCL signal power (PCCL = 4.5 W, τ ∼ 75 psec, Δf = 832 GHz). (a) The net device output power for the signal and pump beams polarized parallel (∥) and perpendicular (⊥) at the fiber input, (b) SCL power at the fiber output without a polarizer (parallel case). (c) The net device gain (gain equals PDEVICE/PSCL in the fiber) and (d) the contrast ratio (Pon/ Poff) for the parallel case.

Fig. 3
Fig. 3

Spectral decomposition of the device output, with PCCL ∼ 5 W and PSCL ∼ 318 πW.

Fig. 4
Fig. 4

Comparison of the calculated and the measured gains at the SCL frequency for CCL and SCL beams polarized parallel at the fiber input (no polarizer at output). The circles correspond to the measured gains from Fig. 2(b); the solid curve results from solution of the nonlinear Schrödinger equation, with A eff = A / 2 and Leff = 530 m.

Equations (2)

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G = 2 Ω [ A 2 ( Ω 2 ) 2 ] 1 / 2 ,
G = 2 [ ( A 2 3 ) 2 ( A 2 3 + α + Ω 2 2 ) 2 ] 1 / 2 .

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