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Band gap gratings using quantum well intermixing for quasi-phase-matching
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10.1063/1.2402034
/content/aip/journal/jap/100/12/10.1063/1.2402034
http://aip.metastore.ingenta.com/content/aip/journal/jap/100/12/10.1063/1.2402034
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

The multiple quantum well (MQW) PL peak position shift as a function of position along features (stripes) with sizes varying between 2 and stripes and incrementing with step. The stripes are all separated by a gap. The samples were intermixed using IFVD process with caps. The PL shift is calculated with respect to the as grown sample wavelength. The step size of the stage used in the PL measurements is .

Image of FIG. 2.
FIG. 2.

The MQW PL peak position shift as a function of position along features (stripes) with sizes varying between 2 and stripes incrementing with step. The stripes are all separated by a gap. The samples were intermixed using sputtered silica induced intermixing. The PL shift is calculated with respect to the as grown sample wavelength. The step size of the stage used in the PL measurements is .

Image of FIG. 3.
FIG. 3.

A comparison of the PL shift between the intermixing-suppressed regions for the samples intermixed using both techniques. The superior spatial resolution of the sputtered silica process is evident.

Image of FIG. 4.
FIG. 4.

(Color online) A schematic diagram of the QPM sample and the position of the laser spot while taking the line scan across the cross section of the sample coinciding with the SL core.

Image of FIG. 5.
FIG. 5.

(Color online) A plot of the PL spectra of a line scan across four periods of a band gap grating fabricated using sputtered silica induced intermixing. The step size of the line scan is .

Image of FIG. 6.
FIG. 6.

The measured QPM wavelength versus period compared with the calculated values. The slope of the calculated values, which is in units of nanometer of QPM SH wavelength per micrometer of QPM period, is , while that of the measured data is .

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/content/aip/journal/jap/100/12/10.1063/1.2402034
2006-12-27
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Band gap gratings using quantum well intermixing for quasi-phase-matching
http://aip.metastore.ingenta.com/content/aip/journal/jap/100/12/10.1063/1.2402034
10.1063/1.2402034
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