Publications associées à Aiguille hypodermique

Method for operating a frequency agile tunable self-injection locking laser system and self-injection locking laser system

Tobias Kippenberg, Anat Siddharth, Grigorii Likhachev

The invention relates to a Method for operating a frequency agile tunable self-injection locking laser system being formed by a laser device coupled to at least one optical resonator, wherein a diode current of a laser diode of the laser device is controll ...

2023

Linear and nonlinear applications of miniaturized silicon nitride microresonators

Arslan Sajid Raja

Photonic integrated circuits (PICs) are the subject of massive interest due to the range of applications they can provide at a huge scale while building on well-established CMOS technologies. One of the critical parameters defining a technology's maturity ...

EPFL2023

Lithium-Niobate-Based Frequency-Agile Integrated Lasers

Tobias Kippenberg, Rui Ning Wang, Anat Siddharth, Mikhail Churaev, Viacheslav Snigirev, Grigorii Likhachev, Junqiu Liu, Guanhao Huang

We demonstrate narrow- linewidth ultrafast tunable integrated lasers based on heterogeneously integrated thin-film lithium niobate on ultra-low loss silicon nitride integrated photonic circuits. Using self-injection locking of a hybrid microresonator, we a ...

IEEE2022

Dynamics of Soliton Microcomb Self-Injection Locking in a Silicon Nitride Microresonator

Tobias Kippenberg, Junqiu Liu, Andrey Voloshin

We demonstrate a chip-scale 30 GHz single soliton microcomb based on DFB laser locked to a Si3N4 microresonator. We propose novel theoretical and experimental approaches to explain dynamics of self-injection locking, modified by Kerr nonlinearity. (c) 2020 ...

IEEE2020

Bistable Puncturing Tool for Retinal Vein Cannulation

Yves Bellouard, Simon Nessim Henein, Charles Baur, Lisa Anaïs Jeanne Bonnefoy

An innovative surgical tool prototype dedicated to safe puncturing has been developed for the treatment of retinal vein occlusions (RVOs). The tool is manufactured monolithically by femtolaser printing in fused silica. It consists of a programmable bistabl ...

2020

Facile Fabrication of Microfluidic Chips for 3D Hydrodynamic Focusing and Wet Spinning of Polymeric Fibers

Fabien Sorin, René M. Rossi, Efe Armagan, Claudio Toncelli, Akin Gürsoy

Microfluidic wet spinning has gained increasing interest in recent years as an alternative to conventional wet spinning by offering higher control in fiber morphology and a gateway for the development of multi-material fibers. Conventionally, microfluidic ...

2020

Laser Self-Injection Locked Frequency Combs in a Normal GVD Integrated Microresonator

Tobias Kippenberg, Rui Ning Wang, Junqiu Liu, Erwan Guillaume Albert Lucas, Arslan Sajid Raja, Jijun He, John David Jost

We report the first demonstration of microresonator dark pulse generation by self-injection locking of a DFB laser to a Si3N4 microresonator with normal GVD. The 26 GHz repetition rate beatnote is characterized. (C) 2020 The Author(s) ...

IEEE2020

Programmable Multistable Mechanisms for Safe Surgical Puncturing

Simon Nessim Henein, Charles Baur, Andrea Lovera, Ilan Vardi, Mohamed Gamal Abdelrahman Ahmed Zanaty, David Lambelet, Thomas Jean Julien Fussinger, Arno Rogg

We present novel medical devices for safe surgical puncturing, in particular a cannula for the treatment of retinal vein occlusion (RVO). This passive mechanical device has an adjustable stroke and exerts a puncturing force independent of operator applied ...

2019

Electrically driven photonic integrated soliton microcomb

Tobias Kippenberg, Maxim Karpov, Junqiu Liu, Hairun Guo, John David Jost, Erwan Guillaume Albert Lucas, Arslan Sajid Raja, Andrey Voloshin

We demonstrate via self-injection locking an electrically driven soliton micro-comb by coupling a multi-frequency laser diode to a chip-scale high-Q Si3N4 microresonator. This approach offers a pathway for an integrated and ultra-compact microcomb source f ...

IEEE2019

Modeling of a capacitive sensor dedicated to drug injection

Catherine Dehollain

to follow up patients who inject themselves insulin with injection pen is a quite complex task. Due to the repetition of injections, and the numerous influent parameter the patient can easily made an injection mistake and it is difficult for health-takers ...

IEEE2018