P. Micheletti, U. Senica, A. Forrer, S. Cibella, Guido Torrioli, Martin Frankié, J. Faist, Mattias Beckl, G. Scalari
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引用次数: 0
摘要
基于环形腔的量子级联激光器(QCL)作为光孤子的可能源正在迅速发展[1]，[2]。我们报道了色散补偿太赫兹环qcl中的孤子形成[1]。激光腔由两个同心双金属环形波导组成，设计用于支持对称和反对称超模，其中全局GVD分别增强或降低[3](图3)。1 a - b)。两种超模的重叠因子不同，因此激光自然选择负GVD的反对称超模。
THz Optical Solitons in Planarized Quantum Cascade Double Ring Lasers
Quantum Cascade Lasers (QCL) based on cicular cavities are rapidly progressing as possible sources pf optical solitons [1], [2]. We report soliton formation in dispersion compensated THz ring QCLs [1]. The laser cavity consists of two concentric double metal ring waveguides, designed to support a symmetric and anti-symmetric super-mode where the global GVD is respectively enhanced or decreased [3](Fig. 1 a-b). The two super-modes feature different overlap factors, therefore the laser naturally selects the anti-symmetric super-mode which exhibits negative GVD.
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