Abstract

An all-fiber Fourier-transform spectrometer is proposed and demonstrated, based on the diffraction of light through the side of a standard optical fiber by a UV-induced fiber grating. The interference pattern, whose Fourier transform yields the optical spectrum, is formed by light diffracted from counterpropagating modes in the fiber. The device is simple and compact and functions as a wavemeter, a fiber-optic network monitor, or a tool for fabrication and testing of long fiber Bragg gratings.

© 1999 Optical Society of America

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References

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  1. G. Meltz, W. Morey, and W. Glenn, in Optical Fiber Communication, Vol. 1 of 1990 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1990), paper TuG1.
  2. T. Erdogan and J. Sipe, J. Opt. Soc. Am. A 13, 296 (1996).
    [CrossRef]
  3. T. Erdogan, J. Lightwave Technol. 15, 1277 (1997).
    [CrossRef]
  4. P. St. J. Russell and R. Ulrich, Opt. Lett. 10, 291 (1985).
    [CrossRef] [PubMed]
  5. J. L. Wagener, T. A. Strasser, J. R. Pedrazzani, J. DeMarco, and D. J. DiGiovanni, presented at the 11th International Conference on Integrated Optics and Optical Fibre Communication, Edinburgh, Scotland, September 22–25, 1977, and the 23rd European Conference on Optical Communication.

1997

T. Erdogan, J. Lightwave Technol. 15, 1277 (1997).
[CrossRef]

1996

1985

DeMarco, J.

J. L. Wagener, T. A. Strasser, J. R. Pedrazzani, J. DeMarco, and D. J. DiGiovanni, presented at the 11th International Conference on Integrated Optics and Optical Fibre Communication, Edinburgh, Scotland, September 22–25, 1977, and the 23rd European Conference on Optical Communication.

DiGiovanni, D. J.

J. L. Wagener, T. A. Strasser, J. R. Pedrazzani, J. DeMarco, and D. J. DiGiovanni, presented at the 11th International Conference on Integrated Optics and Optical Fibre Communication, Edinburgh, Scotland, September 22–25, 1977, and the 23rd European Conference on Optical Communication.

Erdogan, T.

T. Erdogan, J. Lightwave Technol. 15, 1277 (1997).
[CrossRef]

T. Erdogan and J. Sipe, J. Opt. Soc. Am. A 13, 296 (1996).
[CrossRef]

Glenn, W.

G. Meltz, W. Morey, and W. Glenn, in Optical Fiber Communication, Vol. 1 of 1990 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1990), paper TuG1.

Meltz, G.

G. Meltz, W. Morey, and W. Glenn, in Optical Fiber Communication, Vol. 1 of 1990 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1990), paper TuG1.

Morey, W.

G. Meltz, W. Morey, and W. Glenn, in Optical Fiber Communication, Vol. 1 of 1990 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1990), paper TuG1.

Pedrazzani, J. R.

J. L. Wagener, T. A. Strasser, J. R. Pedrazzani, J. DeMarco, and D. J. DiGiovanni, presented at the 11th International Conference on Integrated Optics and Optical Fibre Communication, Edinburgh, Scotland, September 22–25, 1977, and the 23rd European Conference on Optical Communication.

Russell, P. St. J.

Sipe, J.

Strasser, T. A.

J. L. Wagener, T. A. Strasser, J. R. Pedrazzani, J. DeMarco, and D. J. DiGiovanni, presented at the 11th International Conference on Integrated Optics and Optical Fibre Communication, Edinburgh, Scotland, September 22–25, 1977, and the 23rd European Conference on Optical Communication.

Ulrich, R.

Wagener, J. L.

J. L. Wagener, T. A. Strasser, J. R. Pedrazzani, J. DeMarco, and D. J. DiGiovanni, presented at the 11th International Conference on Integrated Optics and Optical Fibre Communication, Edinburgh, Scotland, September 22–25, 1977, and the 23rd European Conference on Optical Communication.

J. Lightwave Technol.

T. Erdogan, J. Lightwave Technol. 15, 1277 (1997).
[CrossRef]

J. Opt. Soc. Am. A

Opt. Lett.

Other

J. L. Wagener, T. A. Strasser, J. R. Pedrazzani, J. DeMarco, and D. J. DiGiovanni, presented at the 11th International Conference on Integrated Optics and Optical Fibre Communication, Edinburgh, Scotland, September 22–25, 1977, and the 23rd European Conference on Optical Communication.

G. Meltz, W. Morey, and W. Glenn, in Optical Fiber Communication, Vol. 1 of 1990 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1990), paper TuG1.

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Figures (3)

Fig. 1
Fig. 1

Illustrations of (a) the fiber-grating Fourier-transform spectrometer concept and (b) the experimental arrangement used to demonstrate the device here: ECL, external-cavity laser; OSA, optical spectrum analyzer.

Fig. 2
Fig. 2

(a) Images of the fringe patterns measured on the CCD array when the device is illuminated with each of four wavelengths and (b) average of the fringe intensity for each of the four patterns shown in (a).

Fig. 3
Fig. 3

(a) Spectra of the tunable laser at four wavelengths measured with the fiber-grating Fourier-transform spectrometer, (b) the same spectra measured on a standard optical spectrum analyzer (linear scale), (c) the spectra obtained by looking at the far field of the outcoupled radiation.

Equations (3)

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Iλ=IKz|λ=neffKz/4π+1/Λ=-Iz-I0expiKzzdz.
Δλλ2/4neffp.
δλλ22neffNp=2ΔλN.

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