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Titolo:
4-PORT FIBER FREQUENCY SHIFTER WITH A NULL TAPER COUPLER
Autore:
BIRKS TA; FARWELL SG; RUSSELL PS; PANNELL CN;
Indirizzi:
UNIV SOUTHAMPTON,OPTOELECTR RES CTR SOUTHAMPTON SO9 5NH HANTS ENGLAND
Titolo Testata:
Optics letters
fascicolo: 23, volume: 19, anno: 1994,
pagine: 1964 - 1966
SICI:
0146-9592(1994)19:23<1964:4FFSWA>2.0.ZU;2-V
Fonte:
ISI
Lingua:
ENG
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
7
Recensione:
Indirizzi per estratti:
Citazione:
T.A. Birks et al., "4-PORT FIBER FREQUENCY SHIFTER WITH A NULL TAPER COUPLER", Optics letters, 19(23), 1994, pp. 1964-1966

Abstract

A prototype of a new design of fiber frequency shifter, based on a special four-port fused taper coupler with a null maximum coupling ratio, is reported. In this coupler the constituent fibers are so dissimilar that the maximum coupling is (ideally) zero. In the presence of a flexural acoustic wave, light is coupled between the fibers, acquiring afrequency shift in the process. Near 100% conversion with 30-dB sideband and carrier suppression is achieved, in an unoptimized device, forjust 1 mW of electrical drive power.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 28/11/20 alle ore 21:39:31