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Resonance frequencies and threshold gains of distributed feedback lasers with strong modulations |
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| Authors: | S Gnepf and F K Kneubühl |
| Institution: | (1) Physics Department, ETH, CH-8093 Zurich, Switzerland |
| Abstract: | In this paper the calculation of resonance frequencies and threshold gains of distributed feedback (DFB) lasers with strong modulations is discussed. The theory is based on the Floquet solutions of a complex Hill differential equation. The dispersion relation of the above solutions is shown to be of importance for the behaviour of the resonances of the DFB laser. |
| Keywords: | Distributed feedback laser Hill differential equation periodic medium dispersion relations resonance frequency threshold gain |
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