Title: Coherent electro-optical circuits amenable to Si photonic integration
Speaker: Prof. Trevor Hall (Photonic Technology Lab., University of Ottawa, Canada)
Time: Nov. 19, 2015 10:00AM
Venue: Academic Conference Center, IOS, CAS
Abstract: In this presentation, the principle and advances of dual parallel and in-phase and quadrature amplitude modulation (I&Q) architecture based on the dual-parallel optical multiplexing of EO phase Mach-Zehnder interferometer (DP-MZI) and microwave phase-shift (PS) frequency multiplication are described at first. Then, the illustrative important achievements of Photonic Technology Laboratory (PTL) on the amendable coherent EO circuits with silicon photonic integrated circuits (PIC) passive split/combinative technology are presented. These establishments include: (i) the systematic analysis and simulations for the characteristics of equivalent circuits of an N=4 parallel MZI based I&Q and single-side band (SSB) EO modulation architecture with the multi-mode interference (MMI) optical division technology; (ii) the theoretical analysis and modeling for MMI-PIC based optical division to realize the 8-tupled, 12-tupled and 24-tupled modulation with suppression of unwanted harmonic waves; (iii) the investigation for a quadrature polarization DP (2xDP) MZI based equivalent PIC system to enhance the high spectral efficiency of I&Q/SSB frequency multiplication; and (iv) a designed/fabricated prototype of silicon-PIC MMI-based N=8 generalized MZI modulation and the early-step experiments are shown. Finally, in this talk the speaker also reviews some significant progresses made by other in-field researchers in this world to imply the future trend and essential applications of this advanced multi-channel EO modulation area.
Biography：Trevor J. Hall Professor at Department of Physics, University of Ottawa, Canada. He joined the School of Information Technology and Engineering at University of Ottawa as a Tier-I Canada Research Chair in Photonic Network Technology. In 2002-2013 he was Director at the Centre in Research in Photonics, and has established the Photonic Technology Laboratory. His current research concerns photonic devices and integrated circuits that exploit nanotechnology and will enable the breakthrough information & communications technology (ICT) systems needed to deliver ubiquitous wireless and computing access in the sustainable digital city or remote rural settlement of the third millennium.
He has totally produced more than 330 publications and initiated 8 patents. He is a member (’88) and fellow (’94) of the Institute of Physics, a Chartered Scientist (’04) Engineer (’88) and Physicist (’88). He is also a member (’88) and fellow (’02) of the Institution of Engineering and Technology. He has been a member of OSA since 2007.