Innovative Pulse Programmers for Quantum Computing Applications

Award Information
Agency: Department of Defense
Branch: Defense Advanced Research Projects Agency
Contract: W31P4Q-09-C-0349
Agency Tracking Number: 07SB2-0044
Amount: $749,923.00
Phase: Phase II
Program: SBIR
Awards Year: 2009
Solicitation Year: 2007
Solicitation Topic Code: SB072-002
Solicitation Number: 2007.2
Small Business Information
11 Ward Street, Somerville, MA, 02143
DUNS: 021366690
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Keun Lee
 (617) 661-8300
Business Contact
 Andrew Hammond
Title: Vice President
Phone: (617) 661-8300
Research Institution
Quantum computing experiments use pulse programmers to generate programmable sequences of radio frequency pulses to perform quantum logic operations and error corrections. Currently pulse programmers are often designed in-house by individual quantum computing research groups. Consequently, they have only a small number of radio frequency channels and have a limited frequency range (up to 100 – 400 MHz) that falls far short of supporting solid-state qubit research. In Phase I of this program we have developed a new pulse programmer architecture that can support both trapped ion and solid-state qubit research by taking advantage of recent innovations in wireless communications and high-performance computing industries. The major features of the architecture are: (1) extensibility to hundreds of radio frequency and arbitrary waveform channels, (2) system-wide sub-picosecond clock synchronization, (3) direct digital synthesis beyond 400 MHz with phase coherent switching, (4) cost effective radio frequency synthesizer modules up to 22 GHz, (5) high-speed (1 GS/sec) pulse envelope generation, (6) ultra-fast (1 GBytes/sec) data link for fast waveform downloading, and (7) real-time feedback and dynamic pulse sequence execution for quantum error correction. This proposal describes the design of the pulse programmer, plans to build the prototype, and demonstrate its capabilities in a real quantum computing laboratory, and strategies to apply the technology to scientific, commercial and government markets.

* Information listed above is at the time of submission. *

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