Photodiode Characteristics and Applications
responsivity may vary from lot to lot and it is dependent on wavelength. However, the relative variations in responsivity can be reduced to less than 1% on a selected basis. Figure 6.Typical …
High-responsivity silicon p–i–n mesa-photodiode
The research was carried out on silicon four-element p–i–n PDs with a guard ring (GR). The starting material was single-crystal dislocation-free p-type silicon grown by the …
High Responsivity and Ultra-Low Detection Limits in ...
In this work, massive nonlinearities in amorphous silicon p-i-n photodiodes enabled by the photogating are presented, resulting in responsivities up to 744 mA/W at blue …
Measurements of Silicon Photomultipliers Responsivity in Continuous ...
We report on the electrical and optical characterization, in continuous wave regime, of a novel class of silicon photomultipliers fabricated in standard planar technology on …
High responsivity SiGe heterojunction phototransistor on silicon ...
A novel near infrared SiGe phototransistor fabricated by a standard silicon photonics foundry is reported and a differential detection scheme is proposed for the dark current cancellation to …
All-silicon photovoltaic detectors with deep ultraviolet selectivity
High-performance photodetectors with integration potential for imaging are desired in deep ultraviolet (DUV) detection, such as space communication, solar storm …
Boron-Implanted Black Silicon Photodiode with Close-to-Ideal ...
UV photodiodes still yield similar responsivity (e.g., ∼0.13 A/ W at 250 nm, which corresponds to ∼65% quantum efficiency4) as they did already decades ago. In solar cells, the …
High Responsivity Si/Ge Phototransistor on Silicon Photonics …
We report a new type of Si/Ge waveguide phototransistor with high responsivity under low bias voltages for small signal and low noise applications. The phototransistor is fabricated using a …
Ultrasensitive and fast photoresponse in graphene/silicon-on …
The hybrid structures of graphene with semiconductor materials based on photogating effect have attracted extensive interest in recent years due to the ultrahigh responsivity. However, the …
Demonstration of an Ultra-High-Responsivity All-Silicon …
We demonstrate an all-Si 20 Gb/s microring avalanche photodiodes with a responsivity of more than 65 A/W. This is the first all-Si APD that can compete with current commercial Ge and III-V …
High-Responsivity Silicon Microring Photodetector Based on Two-Photon ...
We report a silicon pin microring photodetector based on two-photon absorption with responsivity enhanced by optical resonance and optical biasing. A small-signal responsivity of 100mA/W …
Quantum Dot-based Anti-reflective Coatings for Silicon …
Responsivity of the photodiode is significantly increased in the UV and across the visible spectrum, allowing for better light-coupling with the device and overall improvement in photocurrent density.
High responsivity SiGe heterojunction phototransistor on silicon ...
Typical phototransistors exhibit 1.55µm record responsivity at low optical power exceeding 232A/W and 42A/W at 5V and 1V bias, respectively. A differential detection scheme is also …
Quantum Dot-based Anti-reflective Coatings for Silicon …
Enhancements to the photocell design have been realized through modifications to the active area surface, use of optical-concentration mechanisms, and anti-reflective coatings. ... solution …
Ultrahigh-responsivity waveguide-coupled optical power monitor …
The effective gating by the silicon waveguide enables 106 A/W responsivity, promising for optical power monitors in Si photonic circuits.
High-responsivity graphene/silicon-heterostructure waveguide ...
Here, we demonstrate a graphene/silicon-heterostructure photodiode formed by integrating graphene onto a silicon optical waveguide on a silicon-on-insulator (SOI) with a …
High-Performance Photodetectors for Silicon Photonics
A team of Hong Kong–based engineers has demonstrated what it believes is an improved technique for growing high-performance photodetectors made from III–V …
Demonstration of an Ultra-High-Responsivity All-Silicon Avalanche ...
We demonstrate an all-Si 20 Gb/s microring avalanche photodiodes with a responsivity of more than 65 A/W. This is the first all-Si APD that can compete with current commercial Ge and III-V …
Measurements of Silicon Photomultipliers Responsivity in …
We report on the electrical and optical characterization, in continuous wave regime, of a novel class of silicon photomultipliers fabricated in standard planar technology on …
Responsivity – photodetectors, photodiodes, sensitivity
The responsivity (or radiant sensitivity) of a photodiode or some other kind of photodetector is the ratio of generated photocurrent and incident (or sometimes absorbed) optical power …
Ultrasensitive and fast photoresponse in …
In this paper, a mechanism based on GSOI hybrid structure was proposed for the first time to obtain an adjustable built-in potential between graphene and silicon, which brings in an enhanced responsivity and fast response time.
Enhancing silicon photodetector performance through spectral ...
Using monolithic integration of quantum dots over the silicon photodetector surface, we systematically analyze their electrical and optical characteristics to elucidate the …
Ultrasensitive and fast photoresponse in graphene/silicon-on …
In this paper, a mechanism based on GSOI hybrid structure was proposed for the first time to obtain an adjustable built-in potential between graphene and silicon, which brings in an …
Quantum Dot-based Anti-reflective Coatings for Silicon …
Responsivity of the photodiode is significantly increased in the UV and across the visible spectrum, allowing for better light-coupling with the device and overall improvement in …