Events Calendar

Integrated Systems Seminar Series

Speaker: Professor Josephy Bardin, University of Massachusetts, Amherst

Talk Title: BiCMOS Circuits for Ultra Sensitive Scientific Sensor Systems

Series: Integrated Systems Seminar

Abstract: In a variety of critical scientific fields, the highest performance instrumentation exploits cryogenically cooled electronics to achieve levels of performance far beyond what is feasible using room temperature electronics. For example, the free-space optical communications link-”currently under development by NASA for Gbps communication with spacecraft-”requires the use of superconducting nanowire single photon detectors (SNSPD) operating at 1 K physical temperature to achieve sufficient earth terminal sensitivity. While much research has been focused on novel device technologies to enable new and more sensitive scientific instrumentation, limited work has focused on the use of semiconductor circuits to optimize the performance of these systems. In this talk, we will describe our research efforts in ultra-sensitive cryogenically cooled SiGe BiCMOS electronics for scalable scientific instruments. The talk will begin with a review of the physics and performance of SiGe HBTs at deep cryogenic temperatures (e.g., 4 K) and a discussion of challenges encountered by designers targeting this unconventional temperature range. We will then present the design, characterization, and system impact of novel circuits for a variety of applications ranging from THz focal plane arrays for radio astronomy to detector systems for quantum optics.

Biography: Joseph Bardin received the BS, MS, and PhD degrees in Electrical Engineering from UCSB, UCLA, and Caltech in 2003, 2005, and 2009, respectively. From 2003-2005, he was with the Jet Propulsion Laboratory. In the Spring of 2011, he joined the department of Electrical and Computer Engineering at the University of Massachusetts Amherst as an Assistant Professor. His research group explores a broad range of topics in the field of high-frequency circuit design ranging from device modeling to the implementation of sophisticated integrated circuits. He is the recipient of a 2011 DARPA Young Faculty Award, a 2014 NSF CAREER Award, and a 2015 ONR YIP Award.

Host: Hosted by Prof. Hossein Hashemi, Prof. Mike Chen, and Prof. Mahta Moghaddam. Organized and hosted by SungWon Chung.

Location: Hughes Aircraft Electrical Engineering Center (EEB) - 132

Audiences: Everyone Is Invited

Contact: Elise Herrera-Green