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Modeling of pulse propagation in a four level atomic medium for gyroscopic…

Award Information

Department of Defense
Award ID:
Program Year/Program:
2011 / STTR
Agency Tracking Number:
Solicitation Year:
Solicitation Topic Code:
Solicitation Number:
Small Business Information
NP Photonics, Inc.
AZ 9030 S. Rita Road, Suite #120 Tucson, AZ 85747-9102
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Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
Phase 1
Fiscal Year: 2011
Title: Modeling of pulse propagation in a four level atomic medium for gyroscopic measurements
Agency / Branch: DOD / NAVY
Contract: N68335-11-C-0415
Award Amount: $79,954.00


We propose to develop numerical methodologies that can be used as alternatives to standard finite-difference time-domain algorithms, and that will offer substantial reductions in numerical complexity (notably CPU-time requirements) without the need to trade-off flexibility for overall robustness. In the initial phase, we propose a two-pronged approach, in which we evaluate two alternatives: (i) a time-dependent transfer matrix (TDTM) approach; and (ii) a slowly-varying envelope function (SVE) approach. In Phase I, we will develop both methodologies, assess their performance characteristics, and choose the best for continued development. Comparative evaluations will be done by numerically solving the relevant equations and comparing performance with currently existing Navy codes. Both proposed methods (TDTM and SVE) are suitable for dealing with co- and counter-propagating beams, and for including the full nonlinear interaction between light fields and four-level N-scheme atomic systems. Hence, both schemes are suitable for simulating ring-resonator gyroscopes with Sagnac phase enhancements due to EIT-like quantum coherences. In Phase II, we would develop a full-scale numerical model, and, if requested, fabricate a prototype fiber-optic gyroscope based on NP Photonics"specialty fiber, and fiber laser capabilities.

Principal Investigator:

Dan Nguyen
Optical Modeling Engineer
(520) 799-7419

Business Contact:

James Fountain
Director, Contract Admini
(520) 799-7424
Small Business Information at Submission:

NP Photonics, Inc.
UA Science and Technology Park 9030 S. Rita Road, Suite #120 Tucson, AZ -

EIN/Tax ID: 860999108
Number of Employees:
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
Research Institution Information:
University of Arizona
PO BOX 3308
888 N. Euclid Ave., Ste 510
Tucson, AZ 85722-3308
Contact: Sherry L. Esham
Contact Phone: (520) 626-6000