Longitudinal electro-optic modulation using a poled polymer film in a Fabry-Perot cavity

Kaixin Chen; Han Yang; Hongbo Zhang; Daming Zhang; Maobin Yi

doi:10.1117/12.445705

16 October 2001 Longitudinal electro-optic modulation using a poled polymer film in a Fabry-Perot cavity

Kaixin Chen, Han Yang, Hongbo Zhang, Daming Zhang, Maobin Yi

Proceedings Volume 4602, Semiconductor Optoelectronic Device Manufacturing and Applications; (2001) https://doi.org/10.1117/12.445705
Event: International Symposium on Optoelectonics and Microelectronics, 2001, Nanjing, China

Abstract

Electro-optic modulation has been first demonstrated using a poled electro-optic polymer films, placed in a Fabry-Perot cavity. In our configuration, incorporating an electro-optic material in the spacer layer of a Fabry-Perot device creates such a structure whose optical transmission characteristics depend on the applied voltage. And the longitudinal electro- optic modulation, in which the direction of the poling electric field, the applied electric field and the light traveling are parallel with one another and perpendicular to the surface of the polymer film, is applied. According to the electro-optic tensor of a poled polymer film, there is no birefringence effect and only phase modulation of the light is produced. Considering the interferometric nature of the Fabry- Perot cavity, the phase modulation can be converted to the amplitude modulation. The cavity used had a finesse of about 20. The thickness of film is about 1 micrometers . The modulation depth achieved was about 0.07% for a low ac field of 1V/micrometers . The results are promising for the study of array modulation and optical interconnection.

Citation Download Citation

Kaixin Chen, Han Yang, Hongbo Zhang, Daming Zhang, and Maobin Yi "Longitudinal electro-optic modulation using a poled polymer film in a Fabry-Perot cavity", Proc. SPIE 4602, Semiconductor Optoelectronic Device Manufacturing and Applications, (16 October 2001); https://doi.org/10.1117/12.445705

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