&lt;title&gt;Experimental determination of mode fields in InP waveguides from measured intensity profiles using optimized deconvolution algorithms&lt;/title&gt;

Halfmann, M.; Kessler, G.; Heinlein, W.

doi:10.1117/12.185107

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1997

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(2 citation statements)

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“…Alternatively, a near-field determination can be carried out by using the method of transversal scanning [5][6][7]. The used measurement setup is shown in Fig.…”

Section: Measurement Methodsmentioning

confidence: 99%

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Improved Determination of the Design Parameters and the Strongly Non-Gaussian Field Distribution of Semiconductor Waveguides matched to Single-mode Fibers

Faltin¹,

Zengerle²

1997

Journal of Optical Communications

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Integrated spot-size transformers using waveguide tapers have proved to be an advantageous solution for low-loss chip-to-fiber coupling with large alignment tolerances. For an optimized fabrication of such a structure the precise knowledge of the eigenmode field distribution of the large-spot output waveguide is required. A new method is presented for the determination of the intensity distribution based on near-field measurement by transversal scanning combined with a numerical calculation. Although the investigated integrated spot-size transformer on InP has in the vertical direction a strongly non-Gaussian field distribution, a good agreement between the measured and simulated intensity distributions was found.

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“…Alternatively, a near-field determination can be carried out by using the method of transversal scanning [5][6][7]. The used measurement setup is shown in Fig.…”

Section: Measurement Methodsmentioning

confidence: 99%

“…3. In contrast to earlier investigations [7], we used a single-mode fiber. Light is coupled into the waveguide on the left side by a microscope objective.…”

Section: Measurement Methodsmentioning

confidence: 99%

Improved Determination of the Design Parameters and the Strongly Non-Gaussian Field Distribution of Semiconductor Waveguides matched to Single-mode Fibers

Faltin¹,

Zengerle²

1997

Journal of Optical Communications

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<title>Experimental determination of mode fields in InP waveguides from measured intensity profiles using optimized deconvolution algorithms</title>

Cited by 1 publication

References 6 publications

Improved Determination of the Design Parameters and the Strongly Non-Gaussian Field Distribution of Semiconductor Waveguides matched to Single-mode Fibers

Improved Determination of the Design Parameters and the Strongly Non-Gaussian Field Distribution of Semiconductor Waveguides matched to Single-mode Fibers

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