1 March 2007 2×2, 1×4 Ti:LiNbO3 digital optical switches
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Optical Engineering, 46(3), 034602 (2007). doi:10.1117/1.2713381
Abstract
We propose and demonstrate a novel polarization- and wavelength-independent digital electro-optic switch in Ti:LiNbO3 with switching voltages of ±32 at 1.55 μm wavelength. This 2×2 integrated optic switch is characterized by a steplike response to the applied voltage. Switching is achieved through adiabatic mode evolution in an asymmetric waveguide junction. An average insertion loss of ~4.5 dB and polarization-independent switching with average cross talk of −12 dB are achieved. The demonstration of 1×4 polarization-independent switches with digital optical switch elements is eventually reported.
HongSik Jung, "2×2, 1×4 Ti:LiNbO3 digital optical switches," Optical Engineering 46(3), 034602 (1 March 2007). http://dx.doi.org/10.1117/1.2713381
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KEYWORDS
Switches

Switching

Waveguides

Optical switching

Polarization

Electro optics

Electrodes

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