Weighted Apodization in Integrated Optical Acousto-optic Tunable Filter

[in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]

Chinese Journal of Lasers, Volume. 29, Issue 5, 411(2002)

[in Chinese]¹, [in Chinese]¹, [in Chinese]¹, and [in Chinese]²

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¹[in Chinese]

²[in Chinese]

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In this paper, the principle of weighted directional coupler and its application in apodization of integrated acousto optic tunable filter (IAOTF) have been analyzed and discussed. According to the theoretical analysis, the acoustic waveguide has been designed and the TE/TM mode conversion characteristics of AOTF have been analyzed. Based on the results, practical filter has been fabricated on the substrate of X cut, Y propagate  LiNbO 3. Experimental measurement shows that sidelobes are suppressed to -14 dB and -3 dB bandwidth is 2.0 nm.

Keywords

acousto optic coupling apodization wavelength filter integrated optics

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[in Chinese], [in Chinese], [in Chinese], [in Chinese]. Weighted Apodization in Integrated Optical Acousto-optic Tunable Filter[J]. Chinese Journal of Lasers, 2002, 29(5): 411

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Paper Information

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Received: Mar. 12, 2001

Accepted: --

Published Online: Aug. 8, 2006

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Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology