Advanced characterization techniques for high power VCSELs

Moench, Holger; Baier, Johannes; Gronenborn, Stephan; Kolb, Johanna; Miller, Michael; Pekarski, Pavel; Schemmann, M.F.C.; Valster, A.

doi:10.1117/12.839953

Cited by 5 publications

(3 citation statements)

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“…Figure 5 shows the current dependence of slope efficiency (SE) at 15 °C. The maximum SE is 0.96 W/A, which is comparable to that of other reports [19][20][21][22]. In spite of the ordinary value of SE, the high power density is the result of suppression of roll-over phenomena by the nonzero-detuning (|λ gain -λ cav | ≠ 0) at the threshold as mentioned above [18].…”

Section: Resultssupporting

confidence: 81%

High power density vertical-cavity surface-emitting lasers with ion implanted isolated current aperture

et al. 2012

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We report on GaAs-based high power density vertical-cavity surface-emitting laser diodes (VCSELs) with ion implanted isolated current apertures. A continuous-wave output power of over 380 mW and the power density of 4.9 kW/cm² have been achieved at 15 °C from the 100-μm-diameter aperture, which is the highest output characteristic ever reported for an ion implanted VCSEL. A high background suppression ratio of over 40 dB has also been obtained at the emission wavelength of 970 nm. The ion implantation technique provides an excellent current isolation in the apertures and would be a key to realize high power output from a VCSEL array.

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Section: Resultssupporting

confidence: 81%

High power density vertical-cavity surface-emitting lasers with ion implanted isolated current aperture

et al. 2012

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“…3. Trajectories of constant junction temperature , reconstructed from the measured slope and emission power data , using method 2 [iteratively solving (3)]. If is close to , the method becomes inexact, which makes extrapolation to for absolute temperature determination more difficult.…”

Section: (Right) the Relationmentioning

confidence: 99%

“…In literature internal temperature is determined by comparing continuous wave laser characteristics (output power , laser voltage or emission wavelength ) with pulsed measurements [2] or from an estimation of laser thermal resistance [3]. A pulsed measurement requires a broadband measurement setup which is not available for all wavelengths and also has other disadvantages.…”

Section: Introductionmentioning

confidence: 99%

Vertical-Cavity Surface-Emitting Laser Light–Current Characteristic at Constant Internal Temperature

Hangauer

Chen

Amann

2011

IEEE Photon. Technol. Lett.

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Two continuous-wave measurement methods for the laser --characteristic at a constant internal temperature are presented (constant average cavity and constant junction (active region) temperature). The methods are used to correctly quantify the temperature dependence of threshold current and differential quantum efficiency without need for pulsed measurements. It is found that the deviations between both temperatures can be as high as 5 K in a 1390-nm InP-based buried tunnel junction vertical-cavity surface-emitting laser (BTJ-VCSEL), which is the reason for the slight sublinearity of the characteristics at constant cavity temperature.

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200-W Operation of an Ion-Implanted Vertical-Cavity Surface-Emitting Laser Array

Aoki

Miyamoto

Naito

et al. 2014

IEEE J. Quantum Electron.

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Advanced characterization techniques for high power VCSELs

Cited by 5 publications

References 1 publication

High power density vertical-cavity surface-emitting lasers with ion implanted isolated current aperture

High power density vertical-cavity surface-emitting lasers with ion implanted isolated current aperture

Vertical-Cavity Surface-Emitting Laser Light–Current Characteristic at Constant Internal Temperature

200-W Operation of an Ion-Implanted Vertical-Cavity Surface-Emitting Laser Array

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