Design of high-power broadband ASE sources for spectrum-sliced WDM systems

Warwick T. Holloway; David D. Sampson

doi:10.1117/12.258983

20 November 1996 Design of high-power broadband ASE sources for spectrum-sliced WDM systems

Warwick T. Holloway, David D. Sampson

Proceedings Volume 2841, Doped Fiber Devices; (1996) https://doi.org/10.1117/12.258983
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

We investigate hybrid erbium-doped fiber amplifiers (EDFAs) for use as broadband sources of amplified spontaneous emission (ASE) in spectrum-sliced wavelength-division multiplexed (WDM) networks. We report experimental results of two-stage, i.e., two-fiber sources that demonstrate the potential of hybrid EDFAs as high-power, broadband sources with high spectral uniformity. We have developed a numerical model in order to optimize the design of such sources. The model provides for use of multiple fibers and incorporation of optical filters. We present a preliminary theoretical design, derived using the model, of a high-power, broadband source that incorporates three fibers and two filters. The theoretical output spectrum of the source is a uniform comb of wavelength channels ideally suited for use in spectrum- sliced WDM networks. The output spectrum has 19 channels within a 3 dB bandwidth with 2 nm spacing and an average per-channel power of 1.0 mW.

Citation Download Citation

Warwick T. Holloway and David D. Sampson "Design of high-power broadband ASE sources for spectrum-sliced WDM systems", Proc. SPIE 2841, Doped Fiber Devices, (20 November 1996); https://doi.org/10.1117/12.258983

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