Seminar:- Imaging and time-stamping optical photons with sub-nanosecond resolution for quantum imaging, astrophysics and other applications
The speaker will discuss fast optical cameras based on the back-illuminated silicon sensor and Timepix ASICs. The sensor has high quantum efficiency and the chip provides nanosecond scale resolution and data-driven readout. The intensified version of the camera is single photon sensitive and has been used in a variety of quantum imaging experiments as well as for other applications such as time-resolved neutron detection and ion imaging. As a motivation for fast imaging in astrophysics he will also review the standard techniques of single-photon amplitude (Michelson) interferometry and two-photon (Hanbury Brown & Twiss) intensity interferometry, and then visit recent ideas for how they can be improved in the optical through the use of entanglement distribution. A proposed new technique of two-photon amplitude interferometry requires spectral binning and picosecond time-stamping of single photons with a product of resolutions close to the Heisenberg Uncertainty Principle limit. He will show recent results and will discuss future directions for the imaging technology.
時間：2025.07.14(一) 15:00
地點：香港城市大學 楊建文學術樓* G5-214
講者：Prof. Andrei Nomerotski (Professor, Florida International University, US; Senior Researcher, Czech Technical University in Prague)
語言：英語
【此屬轉載信息，以主事單位發布為準】
*Yeung Kin Man Academic Building
此活動由香港城巿大學物理系主辦。