Voxtel

Detector Arrays—InGaAs APD

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Our InGaAs APD detector arrays—which are offered in formats up to 1K x 1K—use backside illumination to achieve low capacitance, high speed, and low dark noise.

Key Product Features

High Performance: Fabricated using Voxtel’s high-performance APD technologies
Fast Optical Overload Recovery: Enabled by backside-illuminated mesa detector architecture
Highly Uniform Response
Good Radiation Tolerance
Low-pixel-defect Count
Custom pixel microlens arrays for increased fill factor

Detector Array Specifications and Part Numbers

Material	Array Size	Pixel Pitch	Gain	Features	Part Number
InGaAs	128 x 128	42 µm	20	Backside-illuminated, mesa architecture Deschutes APD array	VFCH-GAXA
InGaAs	128 x 128	42 µm	45	Backside-illuminated, mesa architecture Siletz APD array	VFPH-GAXA

InGaAs APD Linear Arrays

Voxtel’s portfolio of linear-format avalanche-photodiode (APD) arrays are sensitive in the eyesafe spectral range beyond 1300 nm, making them ideal for scanned automotive, hyperspectral, and other lidar applications.

Key Product Features

Low Capacitance: backside-illuminated InGaAs pixel elements
Wide Spectral Response: 950–1700-nm wavelength response
High Gain: Operation up to a multiplication gain of M = 75
Low Excess Noise: Models available with McIntyre parameterization of keff = 0.03
Customization: Custom devices available upon request. Custom readout integrated circuits (ROICs) available upon request
Options: Microlenses optionally available

Material	Array Size	Pixel Pitch	Gain	Features	Part Number
InGaAs	1 x 4	50 µm	1-25	Backside-illuminated APD array: Bare Die	VXCY-5AXC
	1 x 4	50 µm	1-25	Backside-illuminated APD array: Submounted Die*	VXCY-5BXC
	1 x 32	24 µm	1-75	Backside-illuminated APD array: Bare Die	VXPS-WAXC
	1 x 32	24 µm	1-75	Backside-illuminated APD array: Submounted Die*	VXPS-WBXC
	1 x 64	24 µm	1-75	Backside-illuminated APD array: Bare Die	VXPT-WAXC
	1 x 64	24 µm	1-75	Backside-illuminated APD array: Submounted Die*	VXPT-WBXC
	1 x 128	24 µm	1-75	Backside-illuminated APD array: Bare Die	VXPU-WAXC
	1 x 128	24 µm	1-75	Backside-illuminated APD array: Submounted Die*	VXPU-WBXC
*Die mounted to ceramic fanout submount with integrated temperature sensor

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Detector Arrays—InGaAs APD

Detector Array Specifications and Part Numbers

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