Low divergence Terahertz photonic-wire laser | Zendy

Maria I. Amanti | Zendy; Giacomo Scalari | Zendy; Fabrizio Castellano | Zendy; Mattias Beck | Zendy; Jérôme Faist | Zendy

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Low divergence Terahertz photonic-wire laser

Author(s) -

Maria I. Amanti,

Giacomo Scalari,

Fabrizio Castellano,

Mattias Beck,

Jérôme Faist

Publication year - 2010

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.18.006390

Subject(s) - terahertz radiation , optics , materials science , beam divergence , optoelectronics , photonics , laser , continuous wave , fiber bragg grating , semiconductor laser theory , grating , cascade , photomixing , laser beam quality , far infrared laser , physics , laser beams , terahertz metamaterials , chemistry , chromatography

Edge emitting, terahertz quantum cascade photonic-wire lasers, based on a third order Bragg grating are presented. Devices with a power consumption as low as 300mW, with a single frequency output power of more than 1.5mW are demonstrated. Their maximum operating temperature in continuous-wave mode operation is 110K and the emission is concentrated in a narrow beam (~30 degrees divergence). Larger structure based on the same design show more than 10mW output power and more than 200mW/A slope efficiency at 10K continuous-wave operation.

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