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Titolo:
Spectral purity and sources of noise in femtosecond-demodulation terahertzsources driven by Ti : sapphire mode-locked lasers
Autore:
Demers, JR; Goyette, TM; Ferrio, KB; Everitt, HO; Guenther, BD; De Lucia, FC;
Indirizzi:
Ohio State Univ, Dept Phys, Columbus, OH 43210 USA Ohio State Univ Columbus OH USA 43210 , Dept Phys, Columbus, OH 43210 USA Duke Univ, Dept Phys, Durham, NC 27706 USA Duke Univ Durham NC USA 27706Duke Univ, Dept Phys, Durham, NC 27706 USA USA, Res Off, Res Triangle Pk, NC 27709 USA USA Res Triangle Pk NC USA 27709 , Res Off, Res Triangle Pk, NC 27709 USA
Titolo Testata:
IEEE JOURNAL OF QUANTUM ELECTRONICS
fascicolo: 4, volume: 37, anno: 2001,
pagine: 595 - 605
SICI:
0018-9197(200104)37:4<595:SPASON>2.0.ZU;2-L
Fonte:
ISI
Lingua:
ENG
Soggetto:
TEMPERATURE-GROWN GAAS; TIMING JITTER; APPROXIMATION; GENERATION; PULSES;
Keywords:
laser noise; mode-locked lasers; modulation; spectral analysis; submillimeter wave generation; timing jitter;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Engineering, Computing & Technology
--discip_EC--
Citazioni:
27
Recensione:
Indirizzi per estratti:
Indirizzo: Demers, JR Ohio State Univ, Dept Phys, 174 W 18th Ave, Columbus, OH 43210 USA Ohio State Univ 174 W 18th Ave Columbus OH USA 43210 43210 USA
Citazione:
J.R. Demers et al., "Spectral purity and sources of noise in femtosecond-demodulation terahertzsources driven by Ti : sapphire mode-locked lasers", IEEE J Q EL, 37(4), 2001, pp. 595-605

Abstract

Direct measurements of the spectral purity in terahertz femtosecond-demodulation sources are reported and compared to theory. Because these sources operate at very high harmonics (similar to 10(2) - 10(4)) of the mode-lock frequency, a high spectral purity source is very dependent on a low-jitter femtosecond laser. Conversely, the spectral content of the terahertz sourcesprovides detailed information about timing jitter and stringent tests of models used to describe the jitter. We find that both the behavior of the central core, and the noise skirts of the power spectrum of our sources, can be quantitatively related to measured ripple and continuum amplitude noise on the Ar+ pump laser by use of modulation theory.

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Documento generato il 25/11/20 alle ore 09:24:43