Abstract

We demonstrate a novel method that can detect period fluctuations of periodic structures such as fiber Bragg gratings at an accuracy of approximately 0.5 ppm. These fluctuations can consist of chirp rates, phase shifts etc. The method can also be used to measure phase masks or work as a position control device with spatial resolution in the order of 10 nm. The technique is a modified side diffraction method with interference between two diffraction orders.

© 2003 Optical Society of America

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References

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  1. P. A. Krug, R. Stolte, R. Ulrich, "Measurement of index modulation along an optical fiber Bragg grating," Opt. Lett. 20, Sept. 1, (1995).
  2. L. Baskin, M. Sumetsky, P.Westbrook, P. Reyes, B. Eggleton,"Side-diffraction technique for highly accurate characterization of fiber Bragg grating index modulation,�?? Conference Proceedings: Optical Fiber Conference, OSA, 1, Wed. pp383, (OFC2003).
  3. P.-Y. Fonjallaz, P. Borjel, "Interferometric side di.raction technique for the charcterisation of fibre gratings,�?? Conference Proceedings: Bragg gratings, photosensitivity and poling in glass waveguides, OSA Technical digest, pp 230 FF3-1, (Optical Society of America, Washington DC, 1999).
  4. I. Petermann, S. Helmfrid, A. T. Friberg, "Limitations of the interferometric side diffraction technique for fibre Bragg grating characterization,�?? Opt. Commun. 201, 301-308, Jan. 15, (2002).
    [CrossRef]
  5. G. Perrone, M. Laurenzano, I. Montrosset, "Design and Feasibility Analysis of an Innovative Integrated Grating-Assisted Add-Drop Multiplexer,�?? IEEE J. Lightwave Technol. 19, Dec., (2001).
  6. M. Aslund, L. Poladian, J. Canning and C.M. de Sterke, "Mode inverting grating coupler: experimental results,�?? Submitted to Appl. Opt. LPEO, Jan. (2003).
  7. M. Alonso, E. Finn, "Fundamental university physics, Fields and waves,�?? Addison-Wesley Publishing Company, second edition, pp. 511, (1983).

Appl. Opt. (1)

M. Aslund, L. Poladian, J. Canning and C.M. de Sterke, "Mode inverting grating coupler: experimental results,�?? Submitted to Appl. Opt. LPEO, Jan. (2003).

IEEE J. Lightwave Technol. (1)

G. Perrone, M. Laurenzano, I. Montrosset, "Design and Feasibility Analysis of an Innovative Integrated Grating-Assisted Add-Drop Multiplexer,�?? IEEE J. Lightwave Technol. 19, Dec., (2001).

Opt. Commun. (1)

I. Petermann, S. Helmfrid, A. T. Friberg, "Limitations of the interferometric side diffraction technique for fibre Bragg grating characterization,�?? Opt. Commun. 201, 301-308, Jan. 15, (2002).
[CrossRef]

Opt. Lett. (1)

P. A. Krug, R. Stolte, R. Ulrich, "Measurement of index modulation along an optical fiber Bragg grating," Opt. Lett. 20, Sept. 1, (1995).

Other (3)

L. Baskin, M. Sumetsky, P.Westbrook, P. Reyes, B. Eggleton,"Side-diffraction technique for highly accurate characterization of fiber Bragg grating index modulation,�?? Conference Proceedings: Optical Fiber Conference, OSA, 1, Wed. pp383, (OFC2003).

P.-Y. Fonjallaz, P. Borjel, "Interferometric side di.raction technique for the charcterisation of fibre gratings,�?? Conference Proceedings: Bragg gratings, photosensitivity and poling in glass waveguides, OSA Technical digest, pp 230 FF3-1, (Optical Society of America, Washington DC, 1999).

M. Alonso, E. Finn, "Fundamental university physics, Fields and waves,�?? Addison-Wesley Publishing Company, second edition, pp. 511, (1983).

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