Location History:
- Bedford, MA (US) (2016 - 2017)
- Lexington, MA (US) (2019)
Company Filing History:
Years Active: 2016-2019
Title: Innovations by Hemonth G Rao in Undersea Communications
Introduction
Hemonth G Rao, based in Bedford, MA, is an innovative inventor known for his contributions to the field of optical communications. With a total of three patents to his name, Rao has focused on enhancing communication technologies that operate in challenging environments, such as undersea conditions. His inventions are pivotal for advancing communication methods that require efficiency and adaptability.
Latest Patents
One of Rao's most significant patents is titled "Methods and apparatus for free-space undersea communications." This innovative technology features a multi-rate, burst-mode, photon-counting receiver capable of achieving data rates up to 10.416 Mb/s over a 30-foot water channel. With additional attenuation, the maximum link loss extends to 97.1 dB at a wavelength of 517 nm, which corresponds to potential link distances of up to 148 meters in clear ocean water. For a wavelength of 470 nm, the device can achieve remarkable link distances of up to 450 meters. The receiver boasts soft-decision forward error correction (FEC) to support multiple code rates for seamless communication, addressing unpredictable channel obstructions, and adapting to varying levels of signal and background light.
Another notable patent is the "Method and apparatus for transmitting phase shift keyed optical signals." This invention enhances practical, power-efficient, multi-rate communication between optical transmitters and receivers. It operates on differential phase shift keying (DPSK) signals, featuring an average power limited optical transmitter that allows for adjustable data rates according to a burst-on duty cycle. This method offers advantages over conventional DPSK implementations, including improved photon efficiency and relaxed requirements for transmit laser line-width at lower data rates.
Career Highlights
Hemonth G Rao's association with the Massachusetts Institute of Technology has enabled him to work on groundbreaking technologies. His patents reflect a deep understanding of optical communication and its potential applications in underwater settings. Rao's work contributes significantly to the advancement of communication systems that are crucial for both research and practical uses in marine environments.
Collaborations
Throughout his career, Rao has collaborated with notable colleagues such as Scott A Hamilton and David O Caplan. These partnerships have enriched his work and led to the further development and refinement of his innovative technologies. Collaborations with other experts in the field have also expanded the scope and potential impacts of his inventions.
Conclusion
Hemonth G Rao stands out as a remarkable inventor focused on innovative solutions for optical communications, particularly in undersea environments. His patented technologies not only highlight his ability to tackle complex challenges but also represent significant advances in communication techniques. As he continues to develop new ideas, Rao's contributions promise to influence the future of undersea communication systems significantly.