Modes of a two-dimensional phase-locked array of vertical-cavity surface-emitting lasers

A simple formalism is reported for studying the modes of an infinite two-dimensional (2-D) phase-locked array of vertical-cavity surface-emitting diode lasers. In this approach, the Helmholtz equation is approximately separated into products of solutions of the associated one-dimensional (linear) ar...

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Bibliographic Details
Published in:Optics letters 1990-11, Vol.15 (21), p.1215-1217
Main Author: HADLEY, G. R
Format: Article
Language:English
Subjects:
426002 - Engineering- Lasers & Masers- (1990-)
Applied sciences
Circuit properties
COMPUTERIZED SIMULATION
Electric, optical and optoelectronic circuits
Electronics
ENGINEERING
Exact sciences and technology
Integrated optoelectronics. Optoelectronic circuits
LASERS
MATHEMATICS
MODE LOCKING
NUMERICAL ANALYSIS
Optical and optoelectronic circuits
OPTICAL MODES
OSCILLATION MODES
SEMICONDUCTOR DEVICES
SEMICONDUCTOR LASERS
SIMULATION
SOLID STATE LASERS
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Summary:A simple formalism is reported for studying the modes of an infinite two-dimensional (2-D) phase-locked array of vertical-cavity surface-emitting diode lasers. In this approach, the Helmholtz equation is approximately separated into products of solutions of the associated one-dimensional (linear) arrays. This formalism allows the knowledge gained from years of research into the modal properties of linear diode arrays to be applied directly to 2-D arrays. As a result, it is expected that both 2-D gain-guided and index-guided arrays (except those with excess gain in the low-index channels) will lase in the high-order mode characterized by emission into four distinct off-axis far-field lobes. In contrast, it is expected that properly constructed 2-D leaky-mode arrays would lase preferentially in the fundamental mode well above threshold.
ISSN:0146-9592
1539-4794
DOI:10.1364/ol.15.001215