Indiana Patent of the Month – February 2024

In the realm of underwater communication, MIFtek Corporation has pioneered a groundbreaking optical system that promises to revolutionize the way submarines and underwater devices exchange information. This optical underwater communication system employs a sophisticated design involving two transceivers equipped with optical sources, sensor packages, detectors, encoders, and decoders.

MIFtek has made a name for itself by focusing their expertise on single photon technologies. Targeting the micro-fluidic domain, the company develops novel technologies to identify cellular systems and their function. Their photon detection devices have been integrated into a range of devices.

The recently patented underwater photon communication system utilizes single photon detection with unparalleled sensitivity. At the heart of this innovation are the transceivers, each boasting optical sources capable of activating and deactivating light according to a meticulously crafted bit stream. The sensor packages within these transceivers house Geiger mode avalanche photodiodes (APDs), elevating the system’s sensitivity and efficiency in capturing incident photons.

The communication process unfolds as the sensor packages respond to incoming light, generating output voltage and current signals. A detector, with precision akin to a conductor directing a symphony, transforms these signals into pulses aligned with a predetermined timing sequence. The encoder then steps in, encoding messages into the bit stream based on a communication protocol tied to the timing sequence.

This optical underwater communication method, with activation time intervals as brief as 1 nanosecond (ns) to 100 ns, operates at a staggering communication frequency of about 10 GHz. The adaptive threshold, whether hardware or software-based, ensures the system’s adaptability and reliability.

The genius of MIFtek’s invention lies not only in its technical prowess but also in its strategic approach to security. By harnessing single-photon detection and employing precise criteria to validate emission pulses, the system minimizes the risk of eavesdropping.

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