Speaker: Associate Prof.Mirko Lobino    

University: University of Trento    

Emcee：Prof. Jietai Jing    

Time：17:00pm, 26th  October, 2022    

Place：Optics Building B325    

ZOOM Conference ID: 89803249536     

ZOOM Conference Password:123456     

Link: https://us06web.zoom.us/j/89803249536pwd=MXRKOE85Q1lWR3VTVnl5Z0pXd0pOZz09     

About the Speaker:

Mirko has extensive experience in the fabrication of integrated optical devices in lithium niobate and their application in classical and quantum optics. He is an associate professor at the University of Trento since November 2021. Prior to that, he joined Griffith University at the end of 2012 where he started the Integrated Quantum Technologies group. He completed his PhD at Politecnico di Milano in 2007 researching the use of waveguide devices in classical fibre networks. After that he moved to the University of Calgary where he worked with Prof. Lvovsky on quantum memory and quantum process tomography. In 2009 he was awarded a Marie Curie fellowship and moved to Prof. O’Brien’s team at the University of Bristol where he worked on the use of waveguides for quantum applications. Mirko’s work focusses on integrated quantum photonics and its application to quantum computation. He established a new facility at Griffith University for the fabrication of integrated optical devices in lithium niobate (LN), crystal periodic-poling and reconfigurable electro optical devices. Here he fabricated the first device that can generate, manipulate and detect squeezed vacuum, all on a single chip. While in Bristol he performed some of the first quantum photonic experiments in lithium niobate waveguides, and the first multiphoton quantum walk in a waveguide array. During his tenure at the University of Calgary, he developed a new protocol for quantum process tomography, and performed the first experimental demonstration of storage and retrieval of squeezed vacuum in warm rubidium atoms.

Abstract：

In this seminar I will report on the use of integrated optics for quantum and classical applications. The results will focus on devices fabricated on lithium niobate, a nonlinear material that support the fabrication of electro-optical devices for quantum state generation and manipulation. Using this material platform, I will show our experimental results on the generation of squeezed vacuum state on chip, frequency conversion of single photons, and integration of multiple components on chip. The monolithic nature of these devices means that the correct phase can be stably realized in what would otherwise be an unstable interferometer, greatly simplifying the task of implementing sophisticated photonic quantum circuits.