Complete single mode wavelength coverage over 40 nm with a superstructure grating DBR laser |
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| Authors: | Oberg M. Rigole P.-J. Nilsson S. Klinga T. Backbom L. Streubel K. Wallin J. Kjellberg T. |
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| Affiliation: | Dept. of Electron., R. Inst. of Technol., Kista ; |
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| Abstract: | The spectral characteristics of a widely tunable super structure grating distributed Bragg reflector (SSG-DBR) laser are investigated and the design considerations of the grating reflectors are given. By systematically adjusting the control currents of the two reflector sections and the phase section it is experimentally shown that every wavelength in an interval of 40 nm can be reached with a side-mode suppression usually better than 30 dB |
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