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2 X 2, 1 X 4 Ti : LiNbO3 digital optical switches
- Authors
- Jung, Hongsik
- Issue Date
- Mar-2007
- Publisher
- SPIE-SOCIETY PHOTOPTICAL INSTRUMENTATION ENGINEERS
- Keywords
- integrated optics; channel waveguides; electro-optics switches; lithium niobate; optical communications
- Citation
- OPTICAL ENGINEERING, v.46, no.3
- Journal Title
- OPTICAL ENGINEERING
- Volume
- 46
- Number
- 3
- ISSN
- 0091-3286
- 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 mu m wavelength. This 2X2 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 approximate to 4.5 dB and polarization- independent switching with average cross talk of - 12 dB are achieved. The demonstration of 1 X 4 polarization- independent switches with digital optical switch elements is eventually reported. (C) 2007 Society of Photo-Optical Instrumentation Engineers.
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Related Researcher
- Jung, Hong sik
- Science & Technology (Department of Electronic & Electrical Convergence Engineering)