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Titolo:
ANGLE-ETCHED FACET LASER ARRAYS (FAN LASER ARRAYS)
Autore:
FRANCIS DA; CHANGHASNAIN CJ;
Indirizzi:
UNIV CALIF BERKELEY,DEPT ELECT ENGN & COMP SCI BERKELEY CA 94720
Titolo Testata:
IEEE journal of selected topics in quantum electronics
fascicolo: 2, volume: 3, anno: 1997,
pagine: 684 - 690
SICI:
1077-260X(1997)3:2<684:AFLA(L>2.0.ZU;2-Y
Fonte:
ISI
Lingua:
ENG
Soggetto:
SEMICONDUCTOR-LASERS; DIODE-ARRAY;
Keywords:
COD; ETCHED FACETS; FACET ROUGHNESS; FAN LASER; LASER; LASER ARRAY; MICROMACHINING; POWER DENSITY; THERMAL CROSSTALK MODELING; 2-DIMENSIONAL LASER SCANNER;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
16
Recensione:
Indirizzi per estratti:
Citazione:
D.A. Francis e C.J. Changhasnain, "ANGLE-ETCHED FACET LASER ARRAYS (FAN LASER ARRAYS)", IEEE journal of selected topics in quantum electronics, 3(2), 1997, pp. 684-690

Abstract

We present a novel individually addressable diode laser array that uses angle-etched facets. By arranging the lasers in a fan-like structure, all lasers emit in different directions from a common effective aperture. Using this device design, we demonstrate lasers with beam directions that are fixed and distinct, stable, single mode, and capable ofsimultaneous and random access operation. We analyze both the effect of facet roughness on the performance of etched-facet diode lasers, aswell as the thermal crosstalk characteristics of angle-etched facet lasers. Thermal crosstalk characteristics of angle-etched facet lasers are experimentally compared to parallel stripe lasers. The combinationof the aperture and thermal crosstalk reduction allows us to reduce the effective thermal coupling between array elements by over one orderof magnitude. We show a novel two-dimensional scanner built with a fan laser array: results demonstrate the feasibility of these novel arrays for multibeam applications.

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Documento generato il 30/11/20 alle ore 09:29:49