2×2, 1×4 Ti:LiNbO3 digital optical switches

HongSik Jung

doi:10.1117/1.2713381

1 March 2007 2×2, 1×4 Ti:LiNbO₃ digital optical switches

HongSik Jung

Author Affiliations +

Optical Engineering, Vol. 46, Issue 3, 034602 (March 2007). https://doi.org/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.

©(2007) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

HongSik Jung "2×2, 1×4 Ti:LiNbO₃ digital optical switches," Optical Engineering 46(3), 034602 (1 March 2007). https://doi.org/10.1117/1.2713381

Published: 1 March 2007

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