Abstract
An antireflection-coated broad-area laser diode with an emitter size of and a chip length of is operated in a simple external cavity. For wavelength stabilization and to narrow the bandwidth a diffraction grating in a Littrow configuration is used. At an injection current of up to of optical output power and a resulting slope efficiency of could be achieved. Further, the bandwidth could be narrowed to (FWHM), and a tuning range of around was obtained.
© 2008 Optical Society of America
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