Terahertz sideband-tuned quantum cascade laser radiation

被引：12

作者：

Danylov, Andriy A. ^{[1
]}

Waldman, Jerry ^{[1
]}

Goyette, Thomas M. ^{[1
]}

Gatesman, Andrew J. ^{[1
]}

Giles, Robert H. ^{[1
]}

Li, Jin ^{[2
]}

Goodhue, William D. ^{[2
]}

Linden, Kurt J. ^{[3
]}

Nixon, William E. ^{[4
]}

机构：

[1] Univ Massachusetts Lowell, Dept Phys & Appl Phys, Submillimeter Wave Technol Lab, Lowell, MA 01854 USA

[2] Univ Massachusetts Lowell, Dept Phys & Appl Phys, Photon Ctr, Lowell, MA 01854 USA

[3] Spire Corp, Bedford, MA 01730 USA

[4] USA, Natl Ground Intelligence Ctr, Charlottesville, VA 22911 USA

来源：

OPTICS EXPRESS | 2008年 / 16卷 / 08期

关键词：

D O I：

10.1364/OE.16.005171

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A compact, tunable, narrowband terahertz source was demonstrated by mixing a single longitudinal mode 2.408 THz, free running quantum cascade laser with a 2-20 GHz microwave sweeper in a conventional corner-cube-mounted Schottky diode. The sideband spectra were characterized with a Fourier transform spectrometer, and the radiation was tuned through several D2O rotational transitions to estimate the longer term (t >= several sec) bandwidth of the source. A spectral resolution of 2 MHz in CW regime was observed. (C) 2008 Optical Society of America.

引用

页码：5171 / 5180

页数：10

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