Terahertz photonic crystal resonators in double-metal waveguides | Zendy

A. Benz | Zendy; G. Fasching | Zendy; C. Deutsch | Zendy; A. M. Andrews | Zendy; K. Unterrainer | Zendy; P. Klang | Zendy; W. Schrenk | Zendy; G. Strasser | Zendy

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Terahertz photonic crystal resonators in double-metal waveguides

Author(s) -

A. Benz,

G. Fasching,

C. Deutsch,

A. M. Andrews,

K. Unterrainer,

P. Klang,

W. Schrenk,

G. Strasser

Publication year - 2007

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.15.012418

Subject(s) - photonic crystal , lasing threshold , materials science , terahertz radiation , optoelectronics , optics , resonator , yablonovite , laser , photonic integrated circuit , photonics , waveguide , physics , wavelength

We present the design and the fabrication of photonic crystals with a complete bandgap for TM-modes used as a resonator for terahertz quantum-cascade lasers (QCL), which are lasing around 2.7 THz. The emission of the devices with and without a photonic crystal shows a shift in the emission from the gain maximum to the bandgap of the crystal. The devices are built up by a core, which provides the optical gain, and by a surrounding photonic crystal, which acts as a frequency selective mirror. The whole device is processed into a double-metal waveguide.

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