Abstract

On the basis of a previously derived mathematical model, the power penalty associated with a nonlinear optical loop mirror (NOLM) demultiplexer was calculated, with timing jitter noise, bit-to-bit cross talk, and channel cross talk taken into consideration. Simulation results show that a 3-dBm improvement in the receiver sensitivity at a bit error rate of 10-9 can be achieved by choice of the appropriate walk-off time between the control and the signal pulses within the NOLM demultiplexer.

© 1999 Optical Society of America

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References

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  1. K. Uchiyama, T. Morioka, S. Kawanishi, H. Takara, and M. Saruwatari, J. Lightwave Technol. 15, 194 (1992).
    [CrossRef]
  2. H. Takara, S. Kawanishi, K. Uchiyama, M. Saruwatari, and T. Kitoh, in Conference on Optical Fiber Communication, Vol. 4 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), paper TuD5.
  3. K. Uchiyama, H. Takara, T. Morioka, S. Kawanishi, and M. Saruwatari, Electron. Lett. 29, 1313 (1993).
    [CrossRef]
  4. C. Y. Cheung and Z. Ghassemlooy, presented at the Institution of Electrical Engineers Colloquium on Optical Solitons, London, February 4, 1999.
  5. N. A. Olsson, J. Lightwave Technol. 7, 1071 (1989).
    [CrossRef]

1993

K. Uchiyama, H. Takara, T. Morioka, S. Kawanishi, and M. Saruwatari, Electron. Lett. 29, 1313 (1993).
[CrossRef]

1992

K. Uchiyama, T. Morioka, S. Kawanishi, H. Takara, and M. Saruwatari, J. Lightwave Technol. 15, 194 (1992).
[CrossRef]

1989

N. A. Olsson, J. Lightwave Technol. 7, 1071 (1989).
[CrossRef]

Cheung, C. Y.

C. Y. Cheung and Z. Ghassemlooy, presented at the Institution of Electrical Engineers Colloquium on Optical Solitons, London, February 4, 1999.

Ghassemlooy, Z.

C. Y. Cheung and Z. Ghassemlooy, presented at the Institution of Electrical Engineers Colloquium on Optical Solitons, London, February 4, 1999.

Kawanishi, S.

K. Uchiyama, H. Takara, T. Morioka, S. Kawanishi, and M. Saruwatari, Electron. Lett. 29, 1313 (1993).
[CrossRef]

K. Uchiyama, T. Morioka, S. Kawanishi, H. Takara, and M. Saruwatari, J. Lightwave Technol. 15, 194 (1992).
[CrossRef]

H. Takara, S. Kawanishi, K. Uchiyama, M. Saruwatari, and T. Kitoh, in Conference on Optical Fiber Communication, Vol. 4 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), paper TuD5.

Kitoh, T.

H. Takara, S. Kawanishi, K. Uchiyama, M. Saruwatari, and T. Kitoh, in Conference on Optical Fiber Communication, Vol. 4 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), paper TuD5.

Morioka, T.

K. Uchiyama, H. Takara, T. Morioka, S. Kawanishi, and M. Saruwatari, Electron. Lett. 29, 1313 (1993).
[CrossRef]

K. Uchiyama, T. Morioka, S. Kawanishi, H. Takara, and M. Saruwatari, J. Lightwave Technol. 15, 194 (1992).
[CrossRef]

Olsson, N. A.

N. A. Olsson, J. Lightwave Technol. 7, 1071 (1989).
[CrossRef]

Saruwatari, M.

K. Uchiyama, H. Takara, T. Morioka, S. Kawanishi, and M. Saruwatari, Electron. Lett. 29, 1313 (1993).
[CrossRef]

K. Uchiyama, T. Morioka, S. Kawanishi, H. Takara, and M. Saruwatari, J. Lightwave Technol. 15, 194 (1992).
[CrossRef]

H. Takara, S. Kawanishi, K. Uchiyama, M. Saruwatari, and T. Kitoh, in Conference on Optical Fiber Communication, Vol. 4 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), paper TuD5.

Takara, H.

K. Uchiyama, H. Takara, T. Morioka, S. Kawanishi, and M. Saruwatari, Electron. Lett. 29, 1313 (1993).
[CrossRef]

K. Uchiyama, T. Morioka, S. Kawanishi, H. Takara, and M. Saruwatari, J. Lightwave Technol. 15, 194 (1992).
[CrossRef]

H. Takara, S. Kawanishi, K. Uchiyama, M. Saruwatari, and T. Kitoh, in Conference on Optical Fiber Communication, Vol. 4 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), paper TuD5.

Uchiyama, K.

K. Uchiyama, H. Takara, T. Morioka, S. Kawanishi, and M. Saruwatari, Electron. Lett. 29, 1313 (1993).
[CrossRef]

K. Uchiyama, T. Morioka, S. Kawanishi, H. Takara, and M. Saruwatari, J. Lightwave Technol. 15, 194 (1992).
[CrossRef]

H. Takara, S. Kawanishi, K. Uchiyama, M. Saruwatari, and T. Kitoh, in Conference on Optical Fiber Communication, Vol. 4 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), paper TuD5.

Electron. Lett.

K. Uchiyama, H. Takara, T. Morioka, S. Kawanishi, and M. Saruwatari, Electron. Lett. 29, 1313 (1993).
[CrossRef]

J. Lightwave Technol.

K. Uchiyama, T. Morioka, S. Kawanishi, H. Takara, and M. Saruwatari, J. Lightwave Technol. 15, 194 (1992).
[CrossRef]

N. A. Olsson, J. Lightwave Technol. 7, 1071 (1989).
[CrossRef]

Other

H. Takara, S. Kawanishi, K. Uchiyama, M. Saruwatari, and T. Kitoh, in Conference on Optical Fiber Communication, Vol. 4 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), paper TuD5.

C. Y. Cheung and Z. Ghassemlooy, presented at the Institution of Electrical Engineers Colloquium on Optical Solitons, London, February 4, 1999.

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Figures (3)

Fig. 1
Fig. 1

Block diagram of an optical receiver with a NOLM demultiplexer and an optical preamplifier.

Fig. 2
Fig. 2

Effect of walk-off time on CXT, BXT, and relative intensity noise.

Fig. 3
Fig. 3

BER calculations against average received optical power. Baseline detection is the case for zero walk-off time. The BER is optimized at 1-ps walk-off time.

Tables (1)

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Table 1 Parameters Used for Simulations

Equations (14)

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ToTwLπα=4β21-exp-αL×tanhTwL/2To,
Wt=1-cos2β2/ToTw×sec h2t/To*ξt/To,
ξτ=exp-τToα/Tw0τTwL/To0τTwL/To or τ0,
RINNOLM=-Wt2ptdt-Wtptdt-1,
BXT=-Tb/2Tb/2WtSt+Tb+-Tb/2Tb/2WtSt-Tbdt-Tb/2Tb/2WtStdt,
CTX=1-cos2π2ζ-1,
ζ=1fcTwLerfTwLln 21.763To,
Im=RηinηoutGLfPs1+MTDM-11+r2×CXT+1+r2BXT,
Is=RηinηoutGLfPsr+MTDM-11+r2×CXT+1+r2BXT,
σRIN,x2=Ix2RINTBe+Ix2RINNOLM,
σamp,x2=4IxIspBe/Bo+Isp2Be2Bo-Be/Bo2,
σrece,x2=2qIx+IspBe+4kTBeRL+Ia2Be,
BER=exp-Q2/2Q2π,
Q=Im-IsσRIN,m+σRIN,s+σamp,m+σamp,s+σrece,m+σrece,s.

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