Electro-optic modulation in integrated photonics

G Sinatkas, T Christopoulos, O Tsilipakos… - Journal of Applied …, 2021 - pubs.aip.org
Electro-optic modulators are an indispensable part of photonic communication systems,
largely dictating the achievable transmission rate. Recent advances in materials and …

Optical phase change materials in integrated silicon photonic devices

KJ Miller, RF Haglund Jr, SM Weiss - Optical Materials Express, 2018 - opg.optica.org
Optical phase change materials (O-PCMs) are being explored for a variety of photonic
applications due to the extraordinarily large changes in optical properties that occur during …

Silicon waveguide optical switch with embedded phase change material

KJ Miller, KA Hallman, RF Haglund Jr, SM Weiss - Optics express, 2017 - opg.optica.org
Phase-change materials (PCMs) have emerged as promising active elements in silicon (Si)
photonic systems. In this work, we design, fabricate, and characterize a hybrid Si-PCM …

A high-performance TE modulator/TM-pass polarizer using selective mode shaping in a VO2-based side-polished fiber

M Heidari, V Faramarzi, Z Sharifi, M Hashemi… - …, 2021 - degruyter.com
The reversible insulating-to-conducting phase transition (ICPT) of vanadium dioxide (VO2)
makes it a versatile candidate for the implementation of integrated optical devices. In this …

Mid-infrared hybrid Si/VO2 modulator electrically driven by graphene electrodes

M Sadeghi, B Janjan, M Heidari, D Abbott - Optics express, 2020 - opg.optica.org
Silicon photonic platforms are of significant interest for a variety of applications that operate
in the mid-infrared regime. However, the realization of efficient mid-IR modulators, key …

Ultra-low-power nonvolatile integrated photonic switches and modulators based on nanogap-enhanced phase-change waveguides

J Zhang, J Zheng, P Xu, Y Wang, A Majumdar - Optics Express, 2020 - opg.optica.org
We propose a nanogap-enhanced phase-change waveguide with silicon PIN heaters.
Thanks to the enhanced light-matter interaction in the nanogap, the proposed structure …

Reconfigurable nonlinear losses of nanomaterial covered waveguides

A Davletkhanov, A Mkrtchyan, A Bunkov… - …, 2023 - degruyter.com
Optical waveguides covered with thin films, which transmittance can be controlled by
external action, are widely used in various applications from optical modulators to saturable …

Ultra-Compact Efficient Thermally Actuated Mach-Zehnder Modulator Based on VO2

S Mohammadi-Pouyan, M Afrouzmehr, D Abbott - IEEE Access, 2022 - ieeexplore.ieee.org
Vanadium dioxide (VO 2) has emerged as a prominent optical phase change material (O-
PCM) for creating high performance devices based on hybrid silicon platforms. However …

All-Optical Hybrid VO/Si Waveguide Absorption Switch at Telecommunication Wavelengths

J Parra, T Ivanova, M Menghini, P Homm… - Journal of Lightwave …, 2021 - opg.optica.org
Vanadium dioxide (VO) is one of the most promising materials for developing hybrid
photonic integrated circuits (PICs). At telecommunication wavelengths, VO exhibits a large …

Hybrid SiN/VO Modulator Thermally Triggered by a Graphene Microheater

B Janjan, M Miri, D Fathi, M Heidari… - IEEE Journal of …, 2020 - ieeexplore.ieee.org
Si 3 N 4 has emerged as a prominent material for expanding the capability of silicon
photonics to wavelengths below<; 1 μm. However, realizing an efficient optical modulator, a …