Tunable Wideband Guided Wave Magneto-Optic Modulator Using Magnetostatic Surface Wave

D. Young; W. Chen; C. S. Tsai

doi:10.1117/12.939957

10 June 1987 Tunable Wideband Guided Wave Magneto-Optic Modulator Using Magnetostatic Surface Wave

D. Young, W. Chen, C. S. Tsai

Proceedings Volume 0753, Acousto-Optic, Electro-Optic, & Magneto-Optic Devices & Applications; (1987) https://doi.org/10.1117/12.939957
Event: OE LASE'87 and EO Imaging Symposium, 1987, Los Angeles, CA, United States

Abstract

Wideband guided wave magneto-optic (MO) modulation by magnetostatic surface waves (MSSW) in Yttrium Iron Garnet (YIG) - Gadolinium Gallium Garnet (GGG) has been demonstrated in a noncollinear coplanar interaction geometry. Excitation of the MSSW and efficient MO interaction at 1.152 and 1.302 μm optical wavelengths were accomplished over a wide frequency range of 3 to 7 GHz by linear electronic tuning of the dc magnetic field from 500 to 1700 Gauss. The mode conversion efficiency for 1.302 μm optical wavelength was measured to be 8.13% at 1.00 watt rf drive power. Theoretical analysis and experimental results both show that the mode conversion in this noncollinear configuration is caused by a combination of Faraday and Cotton-Mouton effects induced by the dc magnetic field and the MSSW. Such interaction configuration should result in a number of integrated optic devices for wideband communication and signal processing applications at electronically tunable microwave carrier frequencies.

Citation Download Citation

D. Young, W. Chen, and C. S. Tsai "Tunable Wideband Guided Wave Magneto-Optic Modulator Using Magnetostatic Surface Wave", Proc. SPIE 0753, Acousto-Optic, Electro-Optic, & Magneto-Optic Devices & Applications, (10 June 1987); https://doi.org/10.1117/12.939957

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