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InAs/AlSb distributed feedback quantum cascade lasers are presented. The lasers can operate in the single frequency regime at 3.34–3.38 µm in the 0–100°C temperature range in pulse mode. The wavelength tuning rate of the lasers is 0.27 nm/K and continuous tuning range up to 10 nm can be achieved.
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Cathabard et al. (2009) studied this question.
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