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A technique to measure the electric charge on the mesa sidewalls of small…

Award Information

Agency:
Department of Defense
Branch:
N/A
Award ID:
Program Year/Program:
2013 / SBIR
Agency Tracking Number:
A131-042-0899
Solicitation Year:
2013
Solicitation Topic Code:
A13-042
Solicitation Number:
2013.1
Small Business Information
QmagiQ, LLC
22 Cotton Road Unit H, Suite 180 Nashua, NH -
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Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
 
Phase 1
Fiscal Year: 2013
Title: A technique to measure the electric charge on the mesa sidewalls of small infrared detector pixels
Agency: DOD
Contract: W909MY-13-C-0018
Award Amount: $100,000.00
 

Abstract:

We propose a simple and elegant technique to directly measure the electric charge on the surfaces of small pixels of III-V and II-VI infrared detectors. Such charges arise from minority-carrier inversion or majority-carrier accumulation layers caused by surface states and exist as 2-dimensional electron or hole gases on the mesa sidewalls. They cause surface current leakage down the sidewalls that dominate the dark current in small pixels. Quantifying the effect of different passivation techniques on surface electric charge is crucial to minimizing sidewall leakage current. In Phase I, we will develop and demonstrate the viability of our measurement technique. In Phase II, we will develop an instrument and study a variety of passivation techniques with the goal of eliminating sidewall leakage in small pixels of Type-II InAs/GaSb strained layer superlattice photodiodes.

Principal Investigator:

Mani Sundaram
CEO
(603) 821-3092
msundaram@qmagiq.com

Business Contact:

Axel Reisinger
CTO
(603) 821-3092
areisinger@qmagiq.com
Small Business Information at Submission:

QmagiQ, LLC
22 Cotton Road Unit H, Suite 180 Nashua, NH -

EIN/Tax ID: 721569915
DUNS: N/A
Number of Employees:
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No