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Ultra-Low Noise Quad Photoreceiver for Space Based Laser Interferometric…

Award Information

Agency:
National Aeronautics and Space Administration
Branch:
N/A
Award ID:
90647
Program Year/Program:
2009 / SBIR
Agency Tracking Number:
084566
Solicitation Year:
N/A
Solicitation Topic Code:
N/A
Solicitation Number:
N/A
Small Business Information
Discovery Semiconductors, Inc.
119 Silvia Street Ewing, NJ -
View profile »
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
 
Phase 1
Fiscal Year: 2009
Title: Ultra-Low Noise Quad Photoreceiver for Space Based Laser Interferometric Gravity Wave Detection
Agency: NASA
Contract: NNX09CD48P
Award Amount: $99,998.00
 

Abstract:

Gravity wave detection using space-based long-baseline laser interferometric sensors imposes stringent noise requirements on the system components, including the large area photoreceiver front ends. The proposed innovation utilizes dual depletion region technology to produce a large area (1mm diameter) 2x2 quad p-i-n InGaAs photodiode array having ~2.1pF capacitance per quadrant. The small capacitance of the quad photodiode array is leveraged in combination with a low-noise JFET-input operational amplifier to manufacture ultra-low noise quad photoreceiver array. Each element (quadrant) of the photoreceiver array will have an input equivalent current noise <2pA/sq.rt. Hz in a frequency range of 2 to 20MHz. This will enable shot noise dominated performance at an optical local oscillator power of ~100mW per quadrant.

Principal Investigator:

Shubhashish Datta
Principal Investigator
6094341311
sdatta@chipsat.com

Business Contact:

Abhay M. Joshi
Business Official
6094341311
Abhay@chipsat.com
Small Business Information at Submission:

Discovery Semiconductors, Inc.
119 Silvia Street Ewing, NJ 08628

EIN/Tax ID: 223140182
DUNS: N/A
Number of Employees:
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No