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Titolo:
Spectral characteristics for a fiber grating external cavity laser
Autore:
Cheng, WH; Chiu, SF; Hong, CY; Chang, HW;
Indirizzi:
Natl Sun Yat Sen Univ, Inst Electroopt Engn, Kaohsiung 80424, Taiwan Natl Sun Yat Sen Univ Kaohsiung Taiwan 80424 gn, Kaohsiung 80424, Taiwan
Titolo Testata:
OPTICAL AND QUANTUM ELECTRONICS
fascicolo: 3, volume: 32, anno: 2000,
pagine: 339 - 348
SICI:
0306-8919(200003)32:3<339:SCFAFG>2.0.ZU;2-Y
Fonte:
ISI
Lingua:
ENG
Soggetto:
SEMICONDUCTOR-LASER; NETWORKS;
Keywords:
antireflection coating; external cavity laser; fiber grating;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
--discip_EC--
Citazioni:
26
Recensione:
Indirizzi per estratti:
Indirizzo: Cheng, WH Natl Sun Yat Sen Univ, Inst Electroopt Engn, Kaohsiung 80424, Taiwan Natl Sun Yat Sen Univ Kaohsiung Taiwan 80424 ung 80424, Taiwan
Citazione:
W.H. Cheng et al., "Spectral characteristics for a fiber grating external cavity laser", OPT QUANT E, 32(3), 2000, pp. 339-348

Abstract

A numerical investigation has been carried out on the influence of the antireflection (AR) coating of laser, the coupling efficiency of laser and fiber (eta), and the reflectivity of fiber grating (R-g) on the side-mode suppression ratio (SMSR) of the fiber grating external cavity laser (FGECL). The FGECL was fabricated by the assembly of the multimode Fabry-Perot (FP) laser chip and fiber grating. The results showed that the FGECL with a lower AR coating, higher eta and R-g exhibited a better SMSR. A comparison of theSMSR dependence on the eta and R-g showed that SMSR increased more rapidlywith increasing eta than SMSR for R-g. These spectral characteristic studies of the SMSR dependence on the device parameters of the AR coating, eta, and R-g may provide useful device designs for the practical fabrication of a FGECL for use in dense wavelength division multiplexing (DWDM) applications.

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Documento generato il 27/09/20 alle ore 22:06:30