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Browse Journals & Magazines > Photonics Technology Letters, ...> Volume:18 Issue:19 Help

Continuous-Wave Frequency-Tunable Terahertz-Wave Generation From GaP

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6 Author(s)
Nishizawa, J. ; Semicond. Res. Inst., Sendai ; Tanabe, T. ; Suto, Ken ; Watanabe, Y.
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Continuous-wave (CW) single-frequency terahertz (THz) waves were generated using difference-frequency generation via excitation of phonon-polaritons in GaP. The two pump sources were an external cavity laser diode (LD) and an LD-pumped Nd : YAG laser. The power density of the latter beam was enhanced by using a ytterbium-doped fiber amplifier. The two incident beams were focused to near the wavelength of THz waves. This optical alignment enabled us to generate frequency-tunable CW THz waves in the 0.69-2.74 THz range. With a fixed angle between the pump beams, we obtained a frequency bandwidth as large as 600 GHz

Published in:
Photonics Technology Letters, IEEE  (Volume:18 ,  Issue: 19 )

Date of Publication: Oct.1, 2006

Page(s):
2008 - 2010
ISSN :
1041-1135
INSPEC Accession Number:
9093649
Digital Object Identifier :
10.1109/LPT.2006.882278
Date of Current Version :
23 October 2006
Issue Date :
Oct.1, 2006
Sponsored by :
IEEE Photonics Society

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