Monolithic Beam-Combined Mid-Infrared Laser Array

Award Information
Agency: Department of Defense
Branch: Navy
Contract: N68335-11-C-0430
Agency Tracking Number: N11A-011-0530
Amount: $79,985.00
Phase: Phase I
Program: STTR
Solicitation Topic Code: N11A-T011
Solicitation Number: 2011.A
Solicitation Year: 2011
Award Year: 2011
Award Start Date (Proposal Award Date): 2011-08-15
Award End Date (Contract End Date): N/A
Small Business Information
20 New England Business Center, Andover, MA, 01810-1077
DUNS: 158579651
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 John Bruno
 Area Mgr&Principal Res.
 (301) 405-6447
Business Contact
 B. Green
Title: President
Phone: (978) 689-0003
Research Institution
 Univ. of Maryland, Baltimore County
 Jocelyn Chasis
 1000 Hilltop Circle
Baltimore, MD, 21250-5394
 (410) 455-3636
 Nonprofit college or university
Maxion will develop a monolithic, beam combined array of phase-locked, buried heterostructure (BH) quantum cascade lasers (QCLs). The laser array will be designed to emit a low divergence optical beam in a direction normal to the array surface at a wavelength centered at 4.6 microns. The monolithic laser"s cw output power will exceed 15 Watts. Each ridge waveguide in the array of will contain a second order, buried grating etched close to its optical mode along its length, which will serve to out-couple the laser radiation in a direction normal to the array. The ends of the ridges will be highly reflecting - one end will be HR coated, and the other will have a distributed Bragg reflector (DBR), so that threshold currents are kept low. BH QCL laser radiation that is transmitted through the DBR will propagate in a special planar waveguide region located between the DBRs and a parallel, HR coated end facet separated from the DBR plane by a Talbot distance. This planar waveguide region will be specially designed to efficiently phase lock the QCLs in the array by coupling their radiation through the DBR reflectors.

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

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