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High-contrast, large optical bandwidth field-induced guide/antiguide modulator (1991)

Huang, T. C. ; Chung, Y. ; Dagli, N. ; [et al.]

Woodbury, NY : American Institute of Physics (AIP)

Applied Physics Letters 58 (1991), S. 2211-2213

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ISSN: 1077-3118

Source: AIP Digital Archive

Topics: Physics

Notes: We report an electric field induced-guide/antiguide optical intensity modulator which has a very wide optical bandwidth from 1 to 1.55 μm (ON/OFF ratio (approximately-greater-than) 13 dB from 1 to 1.55 μm for both TE and TM modes), which is the largest ever reported before for an intensity modulator. A TE mode ON/OFF ratio larger than 21 dB at 1.15 μm, and a propagation loss ∼1 dB at 1.3 μm has been measured. The electro-optic effects, along with carrier effects have been exploited to increase the refractive index under the guide and adjacent antiguide electrodes by applying reverse biases to them.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.104929

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