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Highly Efficient, Power-Scalable Long-Wavelength Diode Laser Pumps for Eye-Safe…

Award Information

Department of Defense
Award ID:
Program Year/Program:
2006 / SBIR
Agency Tracking Number:
Solicitation Year:
Solicitation Topic Code:
Solicitation Number:
Small Business Information
Princeton Lightwave, Inc.
2555 Route 130 South, Suite 1 Cranbury, NJ -
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Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
Phase 2
Fiscal Year: 2006
Title: Highly Efficient, Power-Scalable Long-Wavelength Diode Laser Pumps for Eye-Safe Solid-State Laser Development
Agency / Branch: DOD / ARMY
Contract: W911QX-06-C-0128
Award Amount: $729,191.00


For Phase II of this program, Princeton Lightwave Inc. proposes to develop high power 1470 nm InGaAsP/InP diode laser arrays and stacks with dramatic improvements relative to the current state-of-the-art performance for threshold, differential efficiency, and wall-plug efficiency. These lasers will be based on a broadened waveguide structure employing an AlInAs blocking layer. Using these emitters, we will provide 1-cm arrays with power conversion efficiency of 45 - 50% and a maximum power of 130 W, as well as 10-array stacks with power exceeding 1 kW. In addition, we will apply spectral narrowing to these stacks using volume Bragg grating (VBG) technology to provide at least 500 W in a 1.5 nm spectral window. To achieve these goals, we will use our existing InP-based diode laser platform with which we have already demonstrated 54 W CW operation at 1530 nm from 1-cm arrays during Phase I of this program. These arrays had 30% conversion efficiency at maximum power, and we demonstrated 230 W output power for VBG-stabilized stacks. Arrays developed for Phase II of this program will provide unprecedented performance for eye-safe diode-pumped solid state lasers as well as for direct diode use. Moreover, the achievement of these Phase II goals will constitute a leap in 14xx nm pump laser performance that is proportionally comparable to the performance improvement for short-wavelength (GaAs) pump lasers achieved in DARPA's SHEDS program.

Principal Investigator:

Dmitri Garbuzov
Chief Scientist

Business Contact:

Mark Itzler
Chief Technical Officer
Small Business Information at Submission:

2555 Route 130 South, Suite 1 Cranbury, NJ 08512

EIN/Tax ID: 223711457
Number of Employees:
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No