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EE380 Computer Systems Colloquium: From Nanodevices to Nanosystems: The Carbon Nanotube Case Study

Topic: 
From Nanodevices to Nanosystems: The Carbon Nanotube Case Study
Abstract / Description: 

Emerging nanomaterials, such as carbon nanotubes (CNTs), have great potential to revolutionize future electronic systems. For instance, carbon nanotube field-effect transistors (CNFETs) are projected to improve the energy efficiency of digital systems by an order of magnitude compared to silicon CMOS. Unfortunately, CNTs face major obstacles such as substantial imperfections and variations inherent to CNTs, and low CNFET current densities. These obstacles limited CNFET demonstrations to stand-alone transistors or logic gates, with severely limited performance, yield, and scalability. In this talk, I will describe how to overcome these challenges through a combination of new CNT processing and CNFET circuit design solutions. This new approach transforms CNTs from solely a scientifically-interesting material to working nanosystems such as the first microprocessor [Nature 2013] and the first digital sub- systems [ISSCC 2013, JSSC 2014, ACS Nano 2014] built entirely using CNFETs. These are the first system-level demonstrations among promising emerging nanotechnologies for high- performance and highly energy-efficient digital systems. I will also demonstrate the highest current-drive CNFETs to-date, which are, for the first time, competitive with comparably-sized silicon-based transistors available from commercial foundries [IEDM 2014].

I will also discuss how CNTs are naturally suited for enabling new system architectures, such as monolithically-integrated three-dimensional (3D) integrated circuits. Monolithic 3D integration allows for computation immersed in memory by creating massive connectivity between vertically-interleaved layers of logic and memory. Such architectures are key to achieving high degrees of energy efficiency for emerging abundant-data applications. I will demonstrate the first monolithically-integrated 3D nanosystems combining arbitrary vertical- interleaving layers of emerging memories (Resistive RAM) and CNFET-based digital logic, fabricated directly over a silicon CMOS substrate [VLSI Tech. 2014, IEDM 2014].

Date and Time: 
Wednesday, January 7, 2015 - 4:15pm to 5:15pm
Venue: 
Gates B3
Tags: 

IT-Forum: Statistical Language Modeling in the Era of Abundant Data

Topic: 
Statistical Language Modeling in the Era of Abundant Data
Abstract / Description: 

The talk presents an overview of statistical language modeling as applied to real-word problems: speech recognition, machine translation, spelling correction, soft keyboards to name a few prominent ones. We summarize the most successful estimation techniques, and examine how they fare for applications with abundant data, e.g. voice search. We conclude by highlighting a few open problems: getting an accurate estimate for the entropy of text produced by a very specific source, e.g. query stream); optimally leveraging data that is of different degrees of relevance to a given "domain"; does a bound on the size of a "good" model for a given source exist?

Date and Time: 
Friday, January 9, 2015 - 1:00pm to Saturday, January 10, 2015 - 1:55pm
Venue: 
Packard 202
Tags: 

Secure Internet of Things Research Program: Analytics on Sensor Data

Topic: 
Analytics on Sensor Data
Abstract / Description: 

The Secure Internet of Things Research Program has a weekly research seminar in the winter quarter of 2015. The seminar meets 11AM-Noon on Mondays in Gates 415 and is open to the public. We encourage students who are looking for research topics and ideas to attend. Refreshments (coffee, bagels, etc.) are served.

iot.stanford.edu/seminar/15w.html

Date and Time: 
Monday, March 9, 2015 - 11:00am to Tuesday, March 10, 2015 - 11:55am
Venue: 
Gates 415
Tags: 

Secure Internet of Things Research Program: fabryq: Using Phones as Gateways to Program Smart Devices from the Web

Topic: 
Using Phones as Gateways to Program Smart Devices from the Web
Abstract / Description: 

The Secure Internet of Things Research Program has a weekly research seminar in the winter quarter of 2015. The seminar meets 11AM-Noon on Mondays in Gates 415 and is open to the public. We encourage students who are looking for research topics and ideas to attend. Refreshments (coffee, bagels, etc.) are served.

iot.stanford.edu/seminar/15w.html

Date and Time: 
Monday, March 2, 2015 - 11:00am to Tuesday, March 3, 2015 - 11:55am
Venue: 
Gates 415
Tags: 

Secure Internet of Things Research Program: Affiliate Talk

Topic: 
Affiliate Talk
Abstract / Description: 

The Secure Internet of Things Research Program has a weekly research seminar in the winter quarter of 2015. The seminar meets 11AM-Noon on Mondays in Gates 415 and is open to the public. We encourage students who are looking for research topics and ideas to attend. Refreshments (coffee, bagels, etc.) are served.

iot.stanford.edu/seminar/15w.html

Date and Time: 
Monday, February 23, 2015 - 11:00am to Tuesday, February 24, 2015 - 11:55am
Venue: 
Gates 415
Tags: 

Secure Internet of Things Research Program: Beetle: Many-to-Many Bluetooth Communication

Topic: 
Beetle: Many-to-Many Bluetooth Communication
Abstract / Description: 

The Secure Internet of Things Research Program has a weekly research seminar in the winter quarter of 2015. The seminar meets 11AM-Noon on Mondays in Gates 415 and is open to the public. We encourage students who are looking for research topics and ideas to attend. Refreshments (coffee, bagels, etc.) are served.

iot.stanford.edu/seminar/15w.html

Date and Time: 
Monday, February 9, 2015 - 11:00am to Tuesday, February 10, 2015 - 11:55am
Venue: 
Gates 415
Tags: 

Secure Internet of Things Research Program: Cryptographic Computation Systems

Topic: 
Cryptographic Computation Systems
Abstract / Description: 

The Secure Internet of Things Research Program has a weekly research seminar in the winter quarter of 2015. The seminar meets 11AM-Noon on Mondays in Gates 415 and is open to the public. We encourage students who are looking for research topics and ideas to attend. Refreshments (coffee, bagels, etc.) are served.

iot.stanford.edu/seminar/15w.html

Date and Time: 
Monday, January 26, 2015 - 11:00am to Tuesday, January 27, 2015 - 11:55am
Venue: 
Gates 415
Tags: 

Secure Internet of Things Research Program: Computing on Encrypted Data - Somewhat Homomorphic Encryption

Topic: 
Computing on Encrypted Data - Somewhat Homomorphic Encryption
Abstract / Description: 

The Secure Internet of Things Research Program has a weekly research seminar in the winter quarter of 2015. The seminar meets 11AM-Noon on Mondays in Gates 415 and is open to the public. We encourage students who are looking for research topics and ideas to attend. Refreshments (coffee, bagels, etc.) are served.

iot.stanford.edu/seminar/15w.html

 

Date and Time: 
Monday, January 12, 2015 - 11:00am to Tuesday, January 13, 2015 - 11:55am
Venue: 
Gates 415
Tags: 

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