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Compact, Low Cost APD Arrays with Built-in Optical Amplification

Award Information

Agency:
National Aeronautics and Space Administration
Branch:
N/A
Award ID:
71997
Program Year/Program:
2004 / SBIR
Agency Tracking Number:
034738
Solicitation Year:
N/A
Solicitation Topic Code:
N/A
Solicitation Number:
N/A
Small Business Information
Epitaxial Technologies, LLC
1450 South Rolling Road Baltimore, MD 21227-
View profile »
Woman-Owned: No
Minority-Owned: Yes
HUBZone-Owned: No
 
Phase 1
Fiscal Year: 2004
Title: Compact, Low Cost APD Arrays with Built-in Optical Amplification
Agency: NASA
Contract: NNG04CA72C
Award Amount: $69,594.00
 

Abstract:

The overall goal of the proposed program by Epitaxial Technologies is to develop a compact, low-cost, low power, low noise and ultra-sensitive Avalanche Photo Diode (APD) arrays with built-in optical pre-amplification (in addition to internal electrical gain) and having a fill factor and bandwidth of 90% and 5.0 GHz respectively. We will accomplish this by developing novel APD structures and integrating the APDs with vertical cavity semiconductor optical amplifiers (VCSOAs). In Phase I of this project, we will design, model and simulate the performance of the APD arrays with built-in optical pre-amplification having -47 dBm sensitivity and lower noise than existing APD operating at 1550 nm. We will design and fabricate the 4 x 4 photodetector array with internal optical gain of 20 dB and assess its performance. In Phase II, we will design, fabricate and test the 256 x 256 arrays along with monolithic photoreceivers using detectors having built-in optical preamplifier and internal gain. In particular, we will combine photodetector arrays having built-in optical preamplifier with the Readout Integrated Circuits (ROIC) using an innovative bonding technique at the wafer level, in order to demonstrate single photon counting by operating in the Geiger-mode for solid state imaging LADAR receivers.

Principal Investigator:

Ayub M. Fathimulla
Principal Investigator
4104555830
ayub@epiwafers.com

Business Contact:

Leye Aina
Business Official
4104555594
epiwafers@erols.com
Small Business Information at Submission:

Epitaxial Technologies, LLC
1450 South Rolling Road Baltimore, MD 21227

EIN/Tax ID: 522018258
DUNS: N/A
Number of Employees:
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No