Simultaneous amplitude modulation and wavelength conversion in a monolithic periodically poled lithium niobate

Yen-Chieh Huang; Ker-Wei Chang; Anchung Chiang; Tze-Chia Lin; Bi-Cheng Wong; Y. H. Chen

doi:10.1117/12.460812

28 March 2002 Simultaneous amplitude modulation and wavelength conversion in a monolithic periodically poled lithium niobate

Yen-Chieh Huang, Ker-Wei Chang, Anchung Chiang, Tze-Chia Lin, Bi-Cheng Wong, Y. H. Chen

Author Affiliations +

Proceedings Volume 4628, Nonlinear Materials: Growth, Characterization, Devices, and Applications; (2002) https://doi.org/10.1117/12.460812
Event: High-Power Lasers and Applications, 2002, San Jose, California, United States

Abstract

We report simultaneous frequency conversion and amplitude modulation in an optical second harmonic generator by electro-optically controlling the relative phase between the 1064-nm fundamental and the 532-nm second harmonic fields in a dispersion crystal section between two periodically poled lithium niobate (PPLN) sections. Theoretical derivation and experimental demonstration were carried out for two novel crystal configurations, including a linear cascaded configuration in which a 1-cm dispersion section is sandwiched between two 2-cm PPLN sections, and a folding- crystal configuration in which the mixing waves traverse twice in a 2-cm PPLN section through total internal reflections in a 1.5-cm dispersion section. Due to the coherence enhancement in the constructive phase between the two SHG fields in the two PPLN sections, we measured a 30% increase in conversion efficiency compared to a continuous 4-cm PPLN under the same condition. The measured half-wave voltage for the amplitude modulation is 1.1 volt x d micrometers /l_d(cm), where d is the separation of the electrodes and l_d is the length of the electrodes.

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Yen-Chieh Huang, Ker-Wei Chang, Anchung Chiang, Tze-Chia Lin, Bi-Cheng Wong, and Y. H. Chen "Simultaneous amplitude modulation and wavelength conversion in a monolithic periodically poled lithium niobate", Proc. SPIE 4628, Nonlinear Materials: Growth, Characterization, Devices, and Applications, (28 March 2002); https://doi.org/10.1117/12.460812

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