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Thursday, April 2, 2015
Abstract-Electrically tunable terahertz quantum cascade lasers based on a two-sections interdigitated distributed feedback cavity
The continuous electrical tuning of a single-mode terahertz quantum cascade laser operating at a frequency of 3 THz is demonstrated. The devices are based on a two-section interdigitated third-order distributed feedback cavity. The lasers can be tuned of about 4 GHz at a constant optical output power of 0.7 mW with a good far-field pattern.
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