CW operation of GaInAsP stripe lasers

Steventon, A.G.; Spillett, R.E.; Hobbs, RJ; Burt, Michael; Fiddyment, P.J.; Collins, J.V.

doi:10.1109/jqe.1981.1071163

Cited by 12 publications

(3 citation statements)

References 13 publications

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“…Most of thermal models [1][2][3][4][5][6][7] of stripe-geometry diode lasers are based on the classical semi-analytical thermal analysis of the diffused-stripe diode lasers reported by Joyce and Dixon [8]. There are also known fully analytical thermal DL models for a steady state cw operation [9,10], a transient-state pulse operation [11] and self-cooling of the DL crystal between the current pulses [12].…”

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confidence: 99%

An appreciation of usability of the finite element method for the thermal analysis of stripe-geometry diode lasers

Sarzała

Nakwaski

1990

Journal of Thermal Analysis

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An appreciation of usability of the finite element technique for the thermal analysis of stripe-geometry diode lasers is carried out in the present work. Thye technique appears to be very exact and surprisingly speed using even a standard IBM PC/AT microcomputer.As an example, a finite-element thermal analysis of the diffused-stripe doubleheterostructure GaAs/(AIGa)As diode laser is carried out. A system of isotherms obtained for the above laser enables us to discuss the heat spreading process within its structure and to compare relative contributions of all heat sources.An operation of diode lasers (DLS) strongly depends on their thermal properties because all electrical and optical processes taking place inside a DL crystal are temperature-dependent. Consequently all DL operation characteristics are sensitive to a temperature distribution within and around a DL active area. Therefore thermal properties of diode lasers are of prime importance.Up to now experimental methods determining temperature profiles within the DL crystal with a required space resolution and a necessary temperature exactness have not been found. Therefore theoretical thermal modelling of diode lasers remains the most useful tool for such an application.Most of thermal models [1-7] of stripe-geometry diode lasers are based on the classical semi-analytical thermal analysis of the diffused-stripe diode lasers reported by Joyce and Dixon [8]. There are also known fully analytical thermal DL models for a steady state cw operation [9, 10], a transient-state pulse operation [11] and self-cooling of the DL crystal between the current pulses [12]. John grdey & Sons, Limi~ ChichesterKiad6, Budapest

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confidence: 99%

An appreciation of usability of the finite element method for the thermal analysis of stripe-geometry diode lasers

Sarzała

Nakwaski

1990

Journal of Thermal Analysis

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“…This is called contact heating. These losses have been considered by several investigators [44,45,53,54,55].…”

Section: Heat Sourcesmentioning

confidence: 99%

“…These structures must have some reasonable dimensions and characteristics to make the results more physically realistic. Conse quently, we choose two basic structures with similar geometries to the ones studied by Steventon et al [44]. Figures 5.4 and Figure 5.5 show our two structures which we will refer to as Lasers 1 and 2 respectively.…”

Section: Light Output Powermentioning

confidence: 99%

Auger effect on the output power of InGaAsP DH lasers

Mina

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The most advanced technology has been used to photo graph and reproduce this manuscript from the microfilm master. UMI films the text directly from the original or copy submitted. Thus, some thesis and dissertation copies are in typewriter face, while others may be from any type of computer printer.The quality of this reproduction is dependent upon the quality of the copy submitted. Broken or indistinct print, colored or poor quality illustrations and photographs, print bleedthrough, substandard margins, and improper alignment can adversely affect reproduction.In the unlikely event that the author did not send UMI a complete manuscript and there are missing pages, these will be noted. Also, if unauthorized copyright material had to be removed, a note will indicate the deletion.Oversize materials (e.g., maps, drawings, charts) are re produced by sectioning the original, beginning at the upper left-hand corner and continuing from left to right in equal sections with small overlaps. Each original is also photographed in one exposure and is included in reduced form at the back of the book. These are also available as one exposure on a standard 35mm slide or as a 17" x 23" black and white photographic print for an additional charge.

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Semiconductor Lasers—Materials and Devices

Iga¹

1994

Fundamentals of Laser Optics

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CW operation of GaInAsP stripe lasers

Cited by 12 publications

References 13 publications

An appreciation of usability of the finite element method for the thermal analysis of stripe-geometry diode lasers

An appreciation of usability of the finite element method for the thermal analysis of stripe-geometry diode lasers

Auger effect on the output power of InGaAsP DH lasers

Semiconductor Lasers—Materials and Devices

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