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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-14-C-0027
Agency Tracking Number: D133-001-0063
Amount: $149,895.00
Phase: Phase I
Program: SBIR
Solicitation Topic Code: SB133-001
Solicitation Number: 2013.3
Solicitation Year: 2013
Award Year: 2014
Award Start Date (Proposal Award Date): 2014-01-22
Award End Date (Contract End Date): 2015-01-31
Small Business Information
2310 University Way Bldg 4-4
Bozeman, MT 59715-6504
United States
DUNS: 062674630
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 Tony Roberts
 Senior Physicist
 (406) 522-0388
Business Contact
 Prem Kumar
Title: program manager
Phone: (703) 526-2709
Research Institution

This Phase I SBIR effort will examine the feasibility of fabricating 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 I effort, coupling and propagation loss will be modeled and measured to determine the limits of losslessness in anti-reflection (AR) coated KTP and LN waveguides. The Phase I will also investigate a versatile fiber microbench platform for optimized mode matching, compact and robust fiber packaging, and noise and spectral filtering. Optical and material models will be used to predict end-to-end performance to determine the feasibility of using fiber-packaged KTP and LN waveguides to deliver quantum frequency convertors meeting future provably-secure DoD communications needs.

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

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