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High-Speed Detectors
High-Speed Detectors High-Speed Detectors

High-Speed Detectors HSPD4018 & HSPD4040

To meet domestic customers' demand for fully localized high-speed photodetector (PD) products, Fiberwdm has developed two high-speed PD products with bandwidths exceeding 18GHz and 40GHz after nearly 2 years of R&D and optimization. The 18GHz PD has a rise time of less than 20ps, and the 40GHz PD has a rise time of less than 8.5ps. Their responsivity is no lower than that of similar imported products from Finisar, Thorlabs, etc., and the tail oscillation is also well controlled.

This series of high-speed detectors does not include a Transimpedance Amplifier (TIA) and features extremely low noise. It can be used for testing high-speed communication systems and femtosecond laser systems, and is a cost-effective fully localized product.

The linear power supply independently developed by Fiberwdm can fully meet the requirements of high-speed detectors in scientific research applications.

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High-Speed Detectors HSPD4018 & HSPD4040

 

User Instructions

1.1 Appearance and Interface Description

 

Module appearance is shown below:

 

                                                High-Speed Detectors    High-Speed Detectors

 

Figure 2-1 Detector Module Appearance (Left), High-Speed Bare PD (Right)

 

1.2 Electrical Specifications

 

1. Output Interface: SMA (female) or 2.92mm

2. Spectral Response Range: 1000nm–1700nm

3. Detector Responsivity: >0.7A/W @1550nm

4. Caution: Do not exceed the saturation optical power for optical input.

 

2 Performance Parameters

2.1 Test Parameters for High-Speed Detectors (HSPD4018, HSPD4040)

 

Model

HSPD4018

HSPD4040

Wavelength Range

1000nm - 1700nm

1000nm - 1700nm

3dB Cut-off Bandwidth

18GHz

＞40GHz

Conversion Gain

35V/W

35V/W

Saturation Optical Power

10mW

10mW

Rise Time (10%–90%)

＜20ps

＜8.5ps

Typical Max. Responsivity

＞0.7A/W @1550nm

＞0.7A/W @1550nm

Output Reflection Coefficient (S22)

＜-2dB

＜-2dB

Amplitude Flatness

＜±2dB

＜±2dB

Maxim Output

0.35V

0.5V

Max Incident Power

30mW

30mW

Detector Material/Type

InGaAs/PIN

InGaAs/PIN

Operating Temperature

-40℃~85℃

-40℃~85℃

Optical Input

FC/PC or FC/APC

FC/PC or FC/APC

Electrical Output

SMA or 2.92mm

SMA or 2.92mm

Power Supply

+12V/100mA

+12V/100mA

 

Figure 3-1 Summary of Electrical Performance

 

High-Speed Detectors

 

Figure 3-2 HSPD4018 Pulse Response Curve

 

High-Speed Detectors

 

Figure 3-3 Pulse Response Curve

 

Mechanical dimension diagram of the high-speed detector

High-Speed Detectors

Figure 4-1 Mechanical dimensions diagram of the high-speed detector module

 

High-Speed Detectors

 

Figure 4-2 Mechanical dimensions of the high-speed PD

 

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