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Patente

300 GHz continuously tunable high power three section DBR laser diode at 1060 nm

A. Klehr, F. Bugge, L. Hofmann, A. Knauer, J. Sebastian, V.B. Smirnitzki, H. Wenzel and G. Tränkle

Published in:

Inst. Phys. Conf. Ser., no. 166, pp. 383-386 (2000).

Abstract:

In this paper we present a tunable three section DBR laser with a second order grating emitting at 1060 nm. The active layer extends over all sections of the device. The absorption losses in the passive waveguide sections are minimized to a low transparency current density of 62 A/cm2 and a very low threshold density of 99 A/cm2. A low threshold current of 30 mA and an output power at 200 mA up to 124 mW are achieved. A continuous tuning over more than 300 GHz is realized by heating narrow resistors above the passive sections.

Ferdinand-Braun-Institut für Höchstfrequenztechnik, Albert-Einstein-Straße 11, 12489 Berlin, Germany

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