Optical: systems and elements – Optical frequency converter – Dielectric optical waveguide type
Patent
1995-03-13
1997-03-11
Lee, John D.
Optical: systems and elements
Optical frequency converter
Dielectric optical waveguide type
359328, 385122, G02F 137
Patent
active
056107609
ABSTRACT:
Device (1) for raising the frequency of electromagnetic radiation. The device (1) comprises a diode laser (3) for generating the radiation, and a non-linear optical medium (11) in which a first optical waveguide (9) is arranged for guiding a fundamental wave of the diode laser radiation while forming a higher harmonic wave. Moreover, the device (1) comprises a wavelength stabilizer (5) for stabilizing the wavelength of the fundamental wave. The wavelength stabilizer (5) is constituted by a second optical waveguide (13) with a refractive index grating extending in its longitudinal direction and whose selection wavelength is electrically controllable by means of an electrode structure (15; 29).
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"Blue second harmonic generation in KTP, LiNbO.sub.3 and LiTaO.sub.3 waveguides" by M. J. Jongerius, R. R. Drenten and R. B. J. Droste in Philips Journal of Research, vol. 46, pp. 231-265, 1992 [No Month].
Drenten Ronald R.
Droste Richard B. J.
Jongerius Michiel J.
Lee John D.
U.S. Philips Corporation
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