High-Power, Narrow Linewidth Laser Sources for Alkali Atoms

Award Information
Agency:
Department of Defense
Branch
Defense Advanced Research Projects Agency
Amount:
$98,743.00
Award Year:
2009
Program:
SBIR
Phase:
Phase I
Contract:
W31P4Q-09-C-0361
Agency Tracking Number:
08SB2-0361
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
VESCENT PHOTONICS
4865 E. 41st Ave, Denver, CO, 80216
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Mike Anderson
President
(303) 296-6766
anderson@vescentphotonics.com
Business Contact:
Scott Rommel
VP Operations
(303) 296-6766
rommel@vescentphotonics.com
Research Institution:
n/a
Abstract
The purpose of this proposal is to produce high-power, narrow-linewidth (~1 MHz or less), robust, turn-key laser sources that will meet the requirements of emerging cold-atom engineering applications. The focus of this effort will be on developing "path-to-power" techniques for wavelength-flexible laser architectures. The goal is to both both i) increase the power of wavelength flexible laser architectures and ii) maintain a single spatial mode during high-power operation to ensure long-term fiber-coupling stability. In this phase I we will explore and assess the feasibility of two complimentary techniques. First, in close collaboration with Photodigm, a Dallas Texas based diode foundry, we will explore single-spatial mode tapered laser (TL) and master oscillator power amplifer (MOPA) structures to realize output powers of 400 mW or more. Notably, this approach will be directly applicable to all future DBR wavelengths. Second, we will explore several different phase-locking techniques to coherently combine lower power chip-external-cavity-lasers (CECLs) to "sum-up" to higher powers. Both of these approaches may be combined with frequency doubling (FD) to realize greater wavelength flexibility.

* information listed above is at the time of submission.

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