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OwnerSrinivasan Krishnamurthy, Zhi Gang Yu +2inventors
InventorsSrinivasan Krishnamurthy, Zhi Gang Yu, Shanhui Fan, Rituraj Rituraj
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Effective quantum communication is achieved by room temperature (RT) operating single photon sensor with high photo detection efficiency (PDE) at 1550 nm wavelength. The leading class of devices in this segment is avalanche photo detectors operating particularly in the Geiger mode. A device is provided which employs a two-dimensional (2D) semiconductor material on a co-optimized dielectric photonic crystal substrate to simultaneously decrease the dark current by orders of magnitude and increase the PDE. The device is predicted to achieve RT operation with a PDE >99%. Harnessing the high carrier mobility of 2D materials, the device has ˜ps jitter time and can be integrated into a large 2D array camera.
A low-photon detector comprising:
A device for enabling single photon detection at room temperature comprising a monolayer (ML) of 2D materials with photonic crystal substrate (PCS) using band-to-band absorption and low dark current to detect single photons at room temperature.
A device for enabling single photon detection at room temperature comprising a monolayer (ML) of hexagonal boron Arsenide with photonic crystal substrate (PCS) using band-to-band absorption and low dark current to detect single photons at room temperature, the hexagonal boron nitride sandwiched between hexagonal boron nitride.
A low-photon detector comprising:
A low-photon detector comprising:
Dependencies are inferred from the claim text.