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The structures, processing methods and challenges, experimental results, and spectral analyses for patterned quantum dot lasers and nanopore ordered array lasers are presented and compared with otherwise identical quantum well laser diodes.
We demonstrate the in-phase coherent coupling of a tapered laser diode array in an external Talbot cavity. The divergence of the central peak is 0.27deg FWHM at 3.1 A with an output power of 931 mW CW.
An analytical model describing the density of states and gain spectrum of the ordered nanopore array diode laser is presented. The theoretically predicted gain spectrum shows excellent agreement with experimental results.
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