Optoelectronic Analog-Digital Converter

Award Information
Agency: Department of Defense
Branch: Air Force
Contract: FA9550-07-C-0081
Agency Tracking Number: F074-028-0210
Amount: $99,968.00
Phase: Phase I
Program: STTR
Awards Year: 2007
Solicitation Year: 2007
Solicitation Topic Code: AF07-T028
Solicitation Number: N/A
Small Business Information
15 Cabot Road, Woburn, MA, 01801
DUNS: 004841644
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Guanghai Jin
 Chief Scientist
 (781) 935-1200
Business Contact
 Mary Davoli
Title: Contract Administrator
Phone: (781) 935-1200
Email: maryanne@agiltron.com
Research Institution
 Carol Welt
 Office for Sponsored Programs
438 Whitney Road Ext., Unit 11
Storrs, CT, 6269
 (860) 486-8704
 Nonprofit college or university
We propose a novel poly-phase sampling scheme for an optoelectronic analog-to-digital converter (ADC) module which entails parallel sampling of different phases of an input RF signal to realize a 12-bit 10.24GSPS RF signal AD conversion. A unique feature of this approach is that electrical-in to electrical-out signal transfer is maintained for the optoelectronic sampling and demultiplexing circuits. A cellular architecture will be implemented, enabling to seamlessly integrate optical sampling and demultiplexing circuits with electronic quantization circuits without intermediary stages of electrical-to-optical or optical-to-electrical conversion. Moreover, higher sample rate system can be scaled based on the proposed sampling scheme and the cellular architectures. Based on the proposed technical approach using poly-phase sampling technique and OE cells integrated with off-the-shell electronic quantizers, an aggregate sampling rate over 10GSPS and 12-bit resolution can be attained in this photonic analog-to-digital conversion module. Phase I will evaluate the technical approach through the demonstration, and Phase II will develop the testing prototype module.

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