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Quasi-Phase Matched Waveguides for Quantum Frequency Conversion

Award Information
Agency: Department of Defense
Branch: Defense Advanced Research Projects Agency
Contract: W911NF-15-C-0008
Agency Tracking Number: D2-1375
Amount: $1,499,877.00
Phase: Phase II
Program: SBIR
Solicitation Topic Code: SB133-001
Solicitation Number: 2013.1
Solicitation Year: 2013
Award Year: 2014
Award Start Date (Proposal Award Date): 2014-12-01
Award End Date (Contract End Date): 2016-11-30
Small Business Information
2310 University Way Building #1
Bozeman, MT 59715
United States
DUNS: 000000000
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 Tony Roberts
 (406) 522-0388
Business Contact
 Betsy Heckel
Phone: (406) 522-0388
Research Institution

This Phase II SBIR effort will fabricate quantum frequency conversion (QFC) devices with cutting-edge performance to satisfy DARPA quantum information science applications. Quasi-phase matching (QPM) in potassium titanyl phosphate (KTP) and lithium niobate (LN) waveguides designed for very low loss will be used to create frequency convertors at arbitrary source and target wavelengths with near-unity efficiency and low background noise. In the Phase II effort, coupling and propagation loss will be reduced in anti-reflection (AR) coated KTP and LN waveguides and a versatile fiber microbench platform for optimized mode matching, compact and robust fiber packaging, and noise and spectral filtering will be developed. Fiber-packaged KTP and LN waveguides will be used to develop robust packaged quantum frequency convertors with near-unity internal quantum efficiency (QE) and estimated 1.0 dB end-to-end loss in order to address future provably-secure DoD communications and other quantum information needs.

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

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