SAAZ DESIGNS AND OFFERS SINGLE PHOTON AVALANCHE DETECTORS (SPAD) IN THE SWIR WAVELENGTHS. THE DEVICES ARE BACKSIDE ILLUMINATED AND PACKAGED IN TE COOLED TO-CAN PACKAGES.
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Acqubit is a 3-stage TE-cooled InGaAs SPAD detector packaged in a T08 package with integrated heatsink.
The InGaAs detector is a backside illuminated device.
| PARAMETER | CONDITIONS | MIN | TYP. | MAX | UNITS |
|---|---|---|---|---|---|
| Linear Mode Parameters (295K, all voltages and currents are reverse biased) | |||||
| Breakdown voltage, Vb | 295K, Id = 1 μA | 60 | 75 | 85 | V |
| Temperature dependence of Vb | Between 295K and 240K, linear approximation | 0.13 | V/K | ||
| Capacitance, C | Vb – 3, 1 MHz | 40 | 100 | fF | |
| Total Dark Current, Id | 295K, Vb – 3 | 20 | nA | ||
| Quantum Efficiency, QE | 1064nm, M=1 (Linear Mode) | 85 | % | ||
| Geiger Mode Parameters (All voltages and currents are reverse biased) | |||||
| Dark Count Rate, DCR | at 240K at 4V OB | 15 | 50 | kHz | |
| Photon Detection Efficiency, PDE | at 240K at 4V OB | 25 | % | ||
| PIN | ASSIGNMENT |
|---|---|
| 1 | TEC(−) |
| 2 | TEC(+) |
| 3 | APD (Anode) |
| 4 | Thermistor (2.2kΩ) |
| 5 | Thermistor (2.2kΩ) |
| 6 | APD (Cathode) |
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