Quanta Image Sensor

Gigajot developed Quanta Image Sensor (QIS) using the patented "jot" pixel, which offers low-light imaging capability, accurate photon-counting, high dynamic range imaging, and high-speed.


This technology can be applied to:

  • life sciences
  • medical diagnostics
  • astronomy
  • photography and cinematography
  • automotive
  • security and defense
  • consumer cell phones


Key Capabilities  



Sub-Electron Read Noise & Low Dark Current

Gigajot offers industry-leading low-light imaging capability

  • read noise <0.2 electron r.m.s. at 25C
  • Dark current lower than 0.002 electron/pixel/sec at 10C
  • Small pixel size and high resolution
  • Photon-counting without electron multiplication, high voltage, or dead-time

Reliable Photon Counting & Photon Number Resolution

  • Accurate photon-counting
  • Reliable photon number resolving with more than 99% accuracy (less than 1% Bit-Error-Rate)
  • Large photon-counting range up to 100s and 1000s of photoelectrons

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High Quantum Efficiency

  • Advanced backside illuminated (BSI) technology
  • >85% of QE at 500nm wavelength Excellent pixel isolation and color cross-talk ​

High Dynamic Range Imaging

Our proprietary imaging technologies enable single-exposure high-dynamic-range imaging, without sacrificing low-light imaging performance or introducing additional motion artifacts. ​

  • 100dB intra-scene dynamic range with 2.2μm pixels

  • More than 120dB with multi-exposure


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High Pixel Resolution & High Frame Rate

High-speed image capturing with Gigajot proprietary cluster-parallel sensor architecture, implemented in a stacked BSI process.

Easy to set up camera with USB3.0 interface

  • USB3.0 interface to PC

  • 5.9V power supply

  • C-mount lens holder

  • User-friendly GUI software for image processing, frame capturing, and data analysis

  • User-programmable GPIOs

  • Optional active cooling


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Image Processing Pipeline

Gigajot provides a complete solution for image processing pipeline and advanced computational imaging algorithms.

  • ​Low-light noise reduction with Artificial Intelligence (AI)

  • High-dynamic range image processing

  • Color processing

  • Low-light object detection and classification



QIS Cameras


    Pixel Pitch Frame Rate Read Noise Dark Current Dynamic Range



41MP Photon Counting QIS Camera

2.2μm   30 fps (Sensor @41MP) 0.35e- @20C  0.06e-/pix/s @20C  95dB (Single-shot) 


16.7MP Photon Counting Temperature Stabilized QIS Camera

 1.1μm  Upto 15,974 fps  0.19e- @10C 0.002e-/pix/s @10C  80dB (Single-shot) 


16.7MP Photon Counting Compact QIS Camera

1.1μm  Upto 15,974 fps  0.19e-   0.03e-/pix/s @25C 80dB (Single-shot) 


4MP Photon Counting Temperature Stabilized QIS Camera

 2.2μm  Upto 2,784 fps 0.33e-  0.03e-/pix/s @10C  96dB (Single-shot) 


4MP Photon Counting Compact QIS Camera

 2.2μm Upto 2,784 fps   0.33e- 0.2e-/pix/s @25C   96dB (Single-shot)




Quanta Image Sensor


    Pixel Pitch Frame Rate Read Noise Dark Current Dynamic Range


 CA die.png

41MP Photon Counting Quanta Image Sensor

2.2μm   30fps @41MP 0.35e- @20C 0.06e-/pix/s @20C  95dB (Single-shot) 

 Image from iOS.jpg

16MP Photon Counting Quanta Image Sensor

 1.1μm  30fps @16MP  0.19e- @20C 0.008e-/pix/s @20C  80dB (Single-shot) 

Image from iOS.jpg

16.7MP Photon Counting Compact QIS Camera

2.2μm  60fps @4MP  0.35e- @20C   0.1e-/pix/s @20C 96dB (Single-shot)