DSC Newsletter - Space Qualified InGaAs Quad PD + TIA Photoreceivers


Ewing, NJ - June, 2020

We introduce 1 mm, 1.5 mm, and 2 mm diameter InGaAs Quad PD + TIA photoreceivers with low capacitance and ultra-low noise performance for several space-based applications. These devices have been comprehensively tested for radiation environment that includes High Energy Protons, Gammas, and constituent elements of Galactic Cosmic Rays (GCR). At present these devices are available in TO-3 package.

Space Qualified InGaAs quad PD + TIA image

Fig1: Space Qualified InGaAs Quad PD + TIA

  • ✔ Uncooled & Free Space Coupled
  • ✔ Ultra-low Capacitance & Noise
  • ✔ Available in 1 mm, 1.5 mm, and 2 mm diameter
  • ✔ Passed 30 MeV & 100 MeV Proton Radiation Tests
  • ✔ Passed Gamma Ray Tests
  • ✔ Passed Galactic Cosmic Ray (GCR) Tests
  • ✔ Custom Configurations Available Upon Request

These commercial-off-the-shelf (COTS) devices can be rapidly integrated in your space missions. Several device features including Bandwidth, Gain, and Packaging Options may be customized to your requirements.

Key Applications:
  • Position Sensing
  • Space Telescopes
  • Gravitational Wave Sensing


Discovery Semiconductors is an industry leader in manufacturing ultrafast, high optical power handling InGaAs photodiodes, radio frequency over fiber optical receivers, balanced optical receivers and several other custom products for applications ranging from analog RF links to ultrafast digital communications.

For additional information, including complete product specifications, operational capabilities and pricing, or to discuss your application in detail, please call Discovery at: (609) 434-1311 or fax: (609) 434-1317.

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