Manfred Dinand

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The first integrated optical amplifying acoustically tunable wavelength filter in Er-doped LiNbO/sub 3/ is reported. At the signal wavelength of /spl lambda//sub s/=1531 nm a maximum gain of 4.8 dB has been obtained with a coupled pump power of 160 mW (/spl lambda//sub p/=1484 nm). Lossless signal transmittance has been achieved with a pump power as low as(More)
An analysis of relaxation oscillations in local Er-doped optically pumped waveguide lasers is reported. It is based on a time dependent rate equation model for a quasi-two-level-system with wavelength dependent emission-and absorption cross-sections. For the rst time a numerically reliable simulation of the characteristic laser behaviour was possible: the(More)
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