Electro-Thermal Beam Steering Using Bragg Reflector Waveguide Amplifier

Electro-Thermal Beam Steering Using Bragg Reflector Waveguide Amplifier

We demonstrate the electro-thermal beam steering taking advantage of the large angular dispersion of a Bragg Reflector waveguide amplifier. It is realized by changing the waveguide refractive index with injection current in the amplifier. Both theoretical calculations and experimental demonstration...

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Veröffentlicht in:Japanese Journal of Applied Physics 2012-02, Vol.51 (2), p.020206-020206-3
Hauptverfasser: Gu, Xiaodong, Shimada, Toshikazu, Fuchida, Ayumi, Matsutani, Akihiro, Imamura, Akihiro, Koyama, Fumio
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container_issue 2
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container_title Japanese Journal of Applied Physics
container_volume 51
creator Gu, Xiaodong
Shimada, Toshikazu
Fuchida, Ayumi
Matsutani, Akihiro
Imamura, Akihiro
Koyama, Fumio
description We demonstrate the electro-thermal beam steering taking advantage of the large angular dispersion of a Bragg Reflector waveguide amplifier. It is realized by changing the waveguide refractive index with injection current in the amplifier. Both theoretical calculations and experimental demonstration are presented. Output light rotates over 6° with an injection current of 400 mA. The divergence angle is smaller than 1°. The result reveals a possibility of electro-thermal tuning in our proposed beam steering device.
doi_str_mv 10.1143/JJAP.51.020206
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title Electro-Thermal Beam Steering Using Bragg Reflector Waveguide Amplifier
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