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Frequency Locking of Two Laser Diodes to Femtosecond Frequency Comb-Frequency standard of THz

Phase locking of external-cavity diodes laser¡]ECDL¡^ to the stabilized optical frequency combs of a femtosecond mode-locked laser. Optical frequency combs of a femtosecond mode-locked laser can be the reference standard of dual-wavelength external-cavity diode lasers (ECDLs). Frequency stabilization of two external-cavity diode laser is also demonstrated simultaneously.Suppression of the frequency fluctuation of two ECDLs from hundreds MHz to 200 Hz is demonstrated and characterized. Meanwhile, frequency tunable continuous-wave Tera-Hertz (cw THz) wave is generated and observed by photomixing of the output of two frequency stabilized ECDLS with tunable relative frequency difference on a photoconductive antennas. In our experiment, cw THz wave is demonstrated and with tuning range from 0.200 to 1.240THz and could be attribute as frequency standard of THz.

Identiferoai:union.ndltd.org:NSYSU/oai:NSYSU:etd-0717106-220749
Date17 July 2006
CreatorsWang, Chih-Yu
ContributorsTsong-Ru Tsai, Yu-Ping Lan, Jin-Long Peng, Jui-Hung Hsu, Tze-An Liu, Chao-Kuei Lee
PublisherNSYSU
Source SetsNSYSU Electronic Thesis and Dissertation Archive
LanguageCholon
Detected LanguageEnglish
Typetext
Formatapplication/pdf
Sourcehttp://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0717106-220749
Rightsnot_available, Copyright information available at source archive

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