Publications de Hamed Sattari | EPFL Graph Search

Design rules for frequency conversion in periodically poled thin film lithium niobate waveguides

Camille Sophie Brès, Davide Grassani, Christian André Clément Lafforgue, Hamed Sattari, Yesim Koyaz, Nikolay Balakleyskiy

SPIE Society of Photo-Optical Instrumentation Engineers2024

Integrated silicon photonic MEMS

Niels Quack, Hamed Sattari, Alain Yuji Takabayashi

Silicon photonics has emerged as a mature technology that is expected to play a key role in critical emerging applications, including very high data rate optical communications, distance sensing for autonomous vehicles, photonic-accelerated computing, and ...

SPRINGERNATURE2023

MORPHIC: MEMS enhanced silicon photonics for programmable photonics

Niels Quack, Hamed Sattari, Alain Yuji Takabayashi

We present our work in the European project MORPHIC to extend an established silicon photonics platform with low-power and non-volatile micro-electromechanical (MEMS) actuators to demonstrate large-scale programmable photonic integrated circuits (PICs). ...

SPIE-INT SOC OPTICAL ENGINEERING2022

Wafer-level hermetically sealed silicon photonic MEMS

Niels Quack, Hamed Sattari, Alain Yuji Takabayashi

The emerging fields of silicon (Si) photonic micro-electromechanical systems (MEMS) and optomechanics enable a wide range of novel high-performance photonic devices with ultra-low power consumption, such as integrated optical MEMS phase shifters, tunable c ...

CHINESE LASER PRESS2022

Compact Integrated Silicon Photonic Mems Power Coupler For Programmable Photonics

Niels Quack, Hamed Sattari, Alain Yuji Takabayashi

Programmable photonics promise a plethora of optical functions while at the same time reducing the time and costs of photonic integrated circuit (PIC) development. One primary bottleneck for development of these systems is the difficulty in increasing comp ...

IEEE2022

Programmable silicon photonic circuits powered by MEMS

Niels Quack, Hamed Sattari, Alain Yuji Takabayashi

We present our work to extend silicon photonics with MEMS actuators to enable low-power, large scale programmable photonic circuits. For this, we start from the existing iSiPP50G silicon photonics platform of IMEC, where we add free-standing movable wavegu ...

SPIE-INT SOC OPTICAL ENGINEERING2022

Silicon photonic microelectromechanical systems add-drop ring resonator in a foundry process

Niels Quack, Hamed Sattari, Alain Yuji Takabayashi

Photonic add-drop filters are crucial components for the implementation of wavelength division multiplexing (WDM) in fiber-optic communication systems. The recent progress in photonic integration has shown the potential to integrate photonic add-drop filte ...

SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS2022

Smart Slit Assembly Employing Continuously Tunable MEMS Shutter

Niels Quack, Hamed Sattari, Gergely Huszka, Anton Lagosh, Benedikt Guldimann

We present the concept and detailed design of a Smart Slit Assembly for next generation spectrometers, and we experimentally demonstrate operation of an individual 221 mu m x 111 mu m smart slit channel employing a MEMS actuated shutter to continuously mod ...

SPIE-INT SOC OPTICAL ENGINEERING2021

Silicon Photonic MEMS Add-Drop Filter

Niels Quack, Hamed Sattari, Alain Yuji Takabayashi

We demonstrate a compact add-drop filter based on a MEMS ring resonator implemented in IMEC's iSiPP50G silicon photonics platform. The device exhibits a port extinction of 20 dB and a port isolation of > 50 dB, upon actuation range of 0 V to 27 V. ...

IEEE2021

Broadband Compact Single-Pole Double-Throw Silicon Photonic MEMS Switch

Niels Quack, Hamed Sattari, Alain Yuji Takabayashi

Photonic Integrated Circuits (PICs) benefit from the technology advances in the semiconductor industry to incorporate an ever-increasing number of photonic components on a single chip to create large-scale photonic integrated circuits. We here present a br ...

Institute of Electrical and Electronics Engineers2021