Continuous Frequency Tuning of Y-Branched Terahertz Quantum Cascade Lasers with Photonic Lattice

I. Kundu, P. Dean, A. Valavanis, J. Freeman, M. Rosamond, Lianhe H. Li, Yingjun Han, E. Linfield, A. Davies
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Abstract

We report electrically-controlled continuous frequency tuning over ∼20 GHz by exploiting the additive Vernier tuning effect in a THz QCL based on a longitudinally-coupled Y-branched waveguide.
光子晶格y支化太赫兹量子级联激光器的连续频率调谐
我们报告了通过利用基于纵向耦合y支波导的太赫兹QCL中的加性游标调谐效应,在~ 20 GHz范围内实现的电控连续频率调谐。
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