Narrow linewidth tunable THz signal generation using a unitravelling carrier photodiode and a dual-mode laser

Author

Ducournau, G. ; Rolland, A. ; Loas, G. ; Beck, A. ; Pavanello, F. ; Peytavit, E. ; Akalin, T. ; Zaknoune, M. ; Lampin, J.F. ; Brunel, M. ; Bondu, F. ; Vallet, M. ; Alouini, M.

Author_Institution

Inst. d´´Electron. de Micro-Electron. et de Nanotechnol., Univ. de Lille 1, Villeneuve-d´´Ascq, France

fYear

2012

fDate

23-28 Sept. 2012

Firstpage

1

Lastpage

2

Abstract

A dual-frequency laser coupled to a unitravelling carrier photodiode is used to produce a highly coherent THz wave. THz signal is detected by a subharmonic mixer coupled to an electrical spectrum analyzer. All components involved in this experiment operate at room temperature and no active stabilization is used. The measured linewidth is better than 30 kHz and tunable from DC to 1 THz. The dynamic range is 35 dB at 0.683 THz.

Keywords

millimetre wave lasers; millimetre wave mixers; photodiodes; spectral analysers; terahertz wave generation; dual-frequency laser; dual-mode laser; electrical spectrum analyzer; frequency 0.683 THz; frequency 30 kHz; narrow linewidth tunable THz signal generation; subharmonic mixer; unitravelling carrier photodiode; Frequency measurement; Laser beams; Laser modes; Masers; Measurement by laser beam; Mixers; Photodiodes;

fLanguage

English

Publisher

ieee

Conference_Titel

Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2012 37th International Conference on

Conference_Location

Wollongong, NSW

ISSN

2162-2027

Print_ISBN

978-1-4673-1598-2

Electronic_ISBN

2162-2027

Type

conf

DOI

10.1109/IRMMW-THz.2012.6380162

Filename

6380162