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Titolo:
EFFICIENT FREQUENCY-DOUBLING OF 1.5 MU-M FEMTOSECOND LASER-PULSES IN QUASI-PHASE-MATCHED OPTICAL FIBERS
Autore:
PRUNERI V; BONFRATE G; KAZANSKY PG; SIMONNEAU C; VIDAKOVIC P; LEVENSON JA;
Indirizzi:
UNIV SOUTHAMPTON,OPTOELECT RES CTR SOUTHAMPTON SO17 1BJ HANTS ENGLAND FRANCE TELECOM,CNET,LAB BAGNEUX,DTD F-92225 BAGNEUX FRANCE
Titolo Testata:
Applied physics letters
fascicolo: 9, volume: 72, anno: 1998,
pagine: 1007 - 1009
SICI:
0003-6951(1998)72:9<1007:EFO1MF>2.0.ZU;2-S
Fonte:
ISI
Lingua:
ENG
Soggetto:
FUSED-SILICA; GENERATION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
11
Recensione:
Indirizzi per estratti:
Citazione:
V. Pruneri et al., "EFFICIENT FREQUENCY-DOUBLING OF 1.5 MU-M FEMTOSECOND LASER-PULSES IN QUASI-PHASE-MATCHED OPTICAL FIBERS", Applied physics letters, 72(9), 1998, pp. 1007-1009

Abstract

Second-order nonlinear gratings in optical fibers have been produced for efficient quasi-phase-matched frequency conversion around 1.5 mu m. Periodic poling was achieved by defining a patterned electrode on a D-shape fiber via standard lithography and applying high voltage (4-5 kV) at elevated temperature (270-280 degrees C). This fabrication technique has allowed us to produce gratings uniform over 7.5 cm, as indicated by the shape and the bandwidth of the phase-matching curve. By frequency doubling similar to 100 fs pulses in a grating similar to 4 cmlong and with a period of 57.15 mu m, similar to 1.05 mW average power at 768 nm has been generated, with an average conversion efficiency similar to 1.2%. (C) 1998 American Institute of Physics.

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Documento generato il 15/07/20 alle ore 03:57:03