Free-running modes for gain-guided diode laser arrays

Journal Article · Mon Jun 01 04:00:00 EDT 1987 · IEEE J. Quant. Electron.; (United States)

DOI:https://doi.org/10.1109/JQE.1987.1073434· OSTI ID:6362006

Hadley, G R; Hohimer, J P; Owyoung, A

The authors present a numerical model for directly calculating the eigenmodes of multiple-stripe gain-guided diode laser arrays, which includes the effects of both carrier diffusion and heating in the active region. Comprehensive calculations of the eigenmodes of a CW gain-guided array using this model are directly compared to experimental observations on commercial ten-stripe arrays. These numerical and experimental results show that, contrary to popular wisdom, gain-guided arrays are characterized by a large number of eigenmodes, not limited to the number of elements in the array. In addition, the results show the importance of including the refractive index perturbation arising from junction heating, which dramatically alters both the character and the gain of the array modes.

• Research Organization: Sandia National Labs., Albuquerque, NM
• DOE Contract Number: AC04-76DP00789
• OSTI ID: 6362006
• Journal Information: IEEE J. Quant. Electron.; (United States), Journal Name: IEEE J. Quant. Electron.; (United States) Vol. QE-23:6; ISSN IEJQA
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
420300* -- Engineering-- Lasers-- (-1989)
AMPLIFICATION
CARRIER MOBILITY
DATA ANALYSIS
DIFFUSION
EIGENSTATES
GAIN
HEATING
LASERS
MATHEMATICAL MODELS
MOBILITY
OPTICAL PROPERTIES
PHYSICAL PROPERTIES
REFRACTIVITY
RESEARCH PROGRAMS
SEMICONDUCTOR DEVICES
SEMICONDUCTOR DIODES
SEMICONDUCTOR LASERS