Contribution of UV transitions to the strong third-order nonlinearity of doped fibers

Michel J. F. Digonnet; Robert W. Sadowski; H. John Shaw; Richard H. Pantell

doi:10.1117/12.258970

20 November 1996 Contribution of UV transitions to the strong third-order nonlinearity of doped fibers

Michel J. F. Digonnet, Robert W. Sadowski, H. John Shaw, Richard H. Pantell

Proceedings Volume 2841, Doped Fiber Devices; (1996) https://doi.org/10.1117/12.258970
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

To explain the high third-order nonlinearity observed in rare earth doped fibers, we examine the role of the various transitions of the dopants. We present experimental evidence that in fibers doped with Er³⁺, Nd³⁺, or Yb³⁺, most of the nonlinearity is caused by the dopant's UV transitions, i.e., it is non-resonant in nature. The magnitude of the nonlinearity is shown to be in excellent quantitatively agreement with a model. Fiber modulators and switches based on this widespread mechanisms are predicted to operate over a large range of signal wavelengths and with negligible signal loss.

Citation Download Citation

Michel J. F. Digonnet, Robert W. Sadowski, H. John Shaw, and Richard H. Pantell "Contribution of UV transitions to the strong third-order nonlinearity of doped fibers", Proc. SPIE 2841, Doped Fiber Devices, (20 November 1996); https://doi.org/10.1117/12.258970

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