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Titolo:
Picosecond nonlinear optical response of a GaAs/AlGaAs asymmetric triple quantum well structure at room temperature
Autore:
Ahn, HS; Yi, SN; Ryu, JY; Kim, SW; Mizutani, K; Yamaguchi, M; Sawaki, N;
Indirizzi:
Korea Maritime Univ, Dept Appl Phys, Pusan 606791, South Korea Korea Maritime Univ Pusan South Korea 606791 , Pusan 606791, South Korea Cheju Natl Univ, Dept Phys, Cheju 690756, South Korea Cheju Natl Univ Cheju South Korea 690756 Phys, Cheju 690756, South Korea Andong Natl Univ, Dept Phys, Andong 760749, South Korea Andong Natl Univ Andong South Korea 760749 s, Andong 760749, South Korea Nagoya Univ, Dept Elect, Chikusa Ku, Nagoya, Aichi 4648603, Japan Nagoya Univ Nagoya Aichi Japan 4648603 a Ku, Nagoya, Aichi 4648603, Japan
Titolo Testata:
JOURNAL OF THE KOREAN PHYSICAL SOCIETY
fascicolo: 3, volume: 39, anno: 2001,
pagine: 451 - 453
SICI:
0374-4884(200109)39:3<451:PNOROA>2.0.ZU;2-X
Fonte:
ISI
Lingua:
ENG
Soggetto:
ABSORPTION; ELECTRONS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
11
Recensione:
Indirizzi per estratti:
Indirizzo: Ahn, HS Korea Maritime Univ, Dept Appl Phys, Pusan 606791, South Korea Korea Maritime Univ Pusan South Korea 606791 606791, South Korea
Citazione:
H.S. Ahn et al., "Picosecond nonlinear optical response of a GaAs/AlGaAs asymmetric triple quantum well structure at room temperature", J KOR PHYS, 39(3), 2001, pp. 451-453

Abstract

The optical nonlinearity in a GaAs/AlGaAs asymmetric triple quantum well (ATQW) structure is investigated by using pump-probe spectroscopy at room temperature. The input power dependence of the transmission of light through the ATQw sample shows a strong optical nonlinearity. The nonlinear behavioris due to the quantum-confined Stark effect accompanied by field-induced anticrossing between subbands. The transmittance of the probe pulse is givenby a picosecond response. The ATQW was found to provide a new scheme of quantum devices at room temperature.

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Documento generato il 23/09/20 alle ore 11:34:31