White light spectral analysis of lithium niobate waveguides

In this paper, the usefulness of evaluating optical channel waveguides in lithium niobate with white light illumination is shown. Spectral data can be interpreted to show various regimes of waveguide operation from multi-mode to cutoff, and input coupling coefficients and attenuation factors are der...

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Bibliographic Details
Published in:Journal of lightwave technology 1995-01, Vol.13 (1), p.83-87
Main Authors: McConaghy, C.F., Hunenberg, K.F., Sweider, D., Lowry, M., Becker, R.A.
Format: Article
Language:English
Subjects:
Applied sciences
Circuit properties
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Integrated optics. Optical fibers and wave guides
Lamps
Lithium niobate
Optical and optoelectronic circuits
Optical attenuators
Optical harmonic generation
Optical scattering
Optical waveguides
Phase modulation
Spectral analysis
Testing
Wavelength measurement
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Summary:In this paper, the usefulness of evaluating optical channel waveguides in lithium niobate with white light illumination is shown. Spectral data can be interpreted to show various regimes of waveguide operation from multi-mode to cutoff, and input coupling coefficients and attenuation factors are derived for these different modes. This technique is shown to be useful as a monitor both for process development and process consistency. Finally, both a Mach-Zehnder and a phase modulator are swept under bias and analyzed.< >
ISSN:0733-8724
1558-2213
DOI:10.1109/50.350642