Integrated optical multichannel acousto-electro-optic device

1994 ◽  
Author(s):  
George A. Nowak ◽  
Casimer M. DeCusatis ◽  
Daniel M. Litynski ◽  
Pankaj K. Das
Keyword(s):  
Electro Optic ◽  
Integrated Optical

Ion Beam Sputter Deposition Of Ferroelectric Oxide Thin Films

1991 ◽  
Vol 223 ◽  
Author(s):  
Thomas M. Graettinger ◽  
O. Auciello ◽  
M. S. Ameen ◽  
H. N. Al-Shareef ◽  
K. Gifford ◽  
...  
Keyword(s):  
Thin Films ◽  
Lead Zirconate Titanate ◽  
Growth Parameters ◽  
Ion Beam ◽  
Lead Zirconate ◽  
Electro Optic ◽  
Integrated Optical ◽  
Pzt Films ◽  
Ion Beam Sputter Deposition ◽  
Ferroelectric Oxide

ABSTRACTFerroelectric oxide films have been studied for their potential application as integrated optical materials and nonvolatile memories. Electro-optic properties of potassium niobate (KNbO3) thin films have been measured and the results correlated to the microstructures observed. The growth parameters necessary to obtain single phase perovskite lead zirconate titanate (PZT) thin films are discussed. Hysteresis and fatigue measurements of the PZT films were performed to determine their characteristics for potential memory devices.

Optimization of electro-optic phase shifters for integrated optical phased arrays

2017 ◽  
Author(s):  
Dwayne D. Macik ◽  
Tyler E. Bravo ◽  
Seeley M. Pentecost ◽  
Francisco A. Espinal ◽  
Christi K. Madsen
Keyword(s):  
Phased Arrays ◽  
Phase Shifters ◽  
Electro Optic ◽  
Integrated Optical ◽  
Optical Phased Arrays

scholarly journals Automated logic synthesis for electro-optic logic-based integrated optical computing

2018 ◽  
Vol 26 (21) ◽  
pp. 28002 ◽  
Author(s):  
Zhoufeng Ying ◽  
Zheng Zhao ◽  
Chenghao Feng ◽  
Rohan Mital ◽  
Shounak Dhar ◽  
...  
Keyword(s):  
Logic Synthesis ◽  
Optical Computing ◽  
Electro Optic ◽  
Integrated Optical

scholarly journals Silicon on-chip Electro-optic Modulation With Ito Film Stacks

2021 ◽  
Author(s):  
Evgeniy S. Lotkov ◽  
Alexander S. Baburin ◽  
Ilya A. Ryzhikov ◽  
Olga S. Sorokina ◽  
Anton I. Ivanov ◽  
...  
Keyword(s):  
Indium Tin Oxide ◽  
Extinction Ratio ◽  
Growth Conditions ◽  
Optical Modulators ◽  
Ito Film ◽  
Electro Optic ◽  
Current Voltage ◽  
Integrated Optical ◽  
On Chip ◽  
20 Nm

Abstract Indium tin oxide (ITO) platform is one of the promising solutions towards state-of-the-art integrated optical modulators for silicon photonics applications. We demonstrate the way to obtain both high extinction ratio and low insertion loss electro-optic modulation with ITO-based film stack. By investigating e-beam evaporated 20 nm-thick ITO films with amorphous, heterogeneously crystalline, homogeneously crystalline with hidden coarse grains and pronounced coarsely crystalline structure, a low carrier concentration (from 1·1020 to 2·1020 cm-3) is achieved. The mechanism of oxygen migration in ITO film crystallization is proposed based on morphological features observed under low-energy growth conditions. We compare three electro-optic modulator active elements (current-voltage and optical characteristics) and reach strong ITO dielectric permittivity variation induced by charge accumulation/depletion (Δn = 0.199, Δk = 0.240 at λ = 1550nm under ±16V). Our simulations and experimental results demonstrate the unique potential to create integrated GHz-range electro-optical modulators with sub-db losses.

Method for characterizing poled-polymer waveguides for electro-optic integrated-optical-circuit applications

1993 ◽  
Vol 18 (5) ◽  
pp. 349 ◽  
Author(s):  
J. T. Gallo ◽  
T. Kimura ◽  
S. Ura ◽  
T. Suhara ◽  
H. Nishihara
Keyword(s):  
Polymer Waveguides ◽  
Poled Polymer ◽  
Electro Optic ◽  
Optical Circuit ◽  
Integrated Optical

Low Loss Hybrid Dielectric-Metal-Dielectric Waveguides for Sub-Micron Mode Confinement and Efficient Directional Coupling

2012 ◽  
Vol 476-478 ◽  
pp. 839-842
Author(s):  
Mo Yang ◽  
Jin Cheng Song
Keyword(s):  
Propagation Loss ◽  
Geometrical Parameters ◽  
Dielectric Waveguides ◽  
The Finite Element Method ◽  
Low Loss ◽  
Electro Optic ◽  
Integrated Optical ◽  
Integrated Optical Devices ◽  
Mode Size ◽  
High Dielectric

In this paper, we present the design of a novel hybrid dielectric-metal-dielectric waveguide, which consists of a metal stripe sandwiched between low-high dielectric layers. Its modal characteristics are investigated using the finite element method at the telecom wavelength. Simulations show that the dielectric contrast near the metal stripe results in a strongly confined hybrid plasmonic mode with sub-micron mode size and low propagation loss. The effects of geometrical parameters are analyzed systematically and the properties of directional couplers based on such hybrid waveguide are also investigated. The proposed structure could be useful candidates for various integrated optical devices and enable many applications such as electro-optic modulation, switching, sensing and more.

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