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Proceedings Paper

Progress and properties of high-power coherent vertical-cavity surface-emitting laser arrays
Author(s): Robert A. Morgan; Keisuke Kojima; L. E. Rogers; Gregory D. Guth; Ronald E. Leibenguth; Marlin W. Focht; Moses T. Asom; T. Mullally; William A. Gault
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Paper Abstract

We discuss the potential of using coherently-coupled vertical cavity surface emitting laser arrays as high-intensity light sources. In particular, the design and performance of a novel two-dimensional phase-coupled grid Contact vertical cavity Surface Emitting Laser Array (C- SELA) is reported. We discuss the optical properties of the C-SELA; in addition to the usual out-of-phase array mode, we demonstrate in-phase SELA coupling. We introduce a simple physical model to describe our experimental results. Over 1.2 Watt optical power emission is obtained at room temperature from an electrically-excited 10 X 10 C-SELA. This laser array exhibited a low threshold current density of only 600 Amps/cm2 and over 60% single-ended differential quantum efficiency.

Paper Details

Date Published: 16 June 1993
PDF: 9 pages
Proc. SPIE 1850, Laser Diode Technology and Applications V, (16 June 1993); doi: 10.1117/12.146896
Show Author Affiliations
Robert A. Morgan, AT&T Bell Labs. (United States)
Keisuke Kojima, AT&T Bell Labs. (United States)
L. E. Rogers, AT&T Bell Labs. (United States)
Gregory D. Guth, AT&T Bell Labs. (United States)
Ronald E. Leibenguth, AT&T Bell Labs. (United States)
Marlin W. Focht, AT&T Bell Labs. (United States)
Moses T. Asom, AT&T Bell Labs. (United States)
T. Mullally, AT&T Bell Labs. (United States)
William A. Gault, AT&T Bell Labs. (United States)

Published in SPIE Proceedings Vol. 1850:
Laser Diode Technology and Applications V
Daniel Renner, Editor(s)

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