Company Filing History:
7 out of 1,156 
6 out of 10 
1 out of 1 Years Active: 1992-2011
Title: Mani Ramachandran: A Pioneer in Optical Fiber Communication Patents
Introduction
Mani Ramachandran, based in San Jose, California, is a notable inventor in the field of optical fiber communications. With an impressive portfolio of 14 patents, Ramachandran has made significant contributions that enhance the performance and efficiency of optical transmission systems.
Latest Patents
Among his latest innovations, Ramachandran has developed a "Method and apparatus for low chirp transmitter for optical fiber communications." This directly modulated optical transmitter operates in the 1550 nm wavelength band and showcases very low chirp by utilizing a phase modulator to cancel the chirp typically present in directly modulated lasers. This advancement provides a cost-effective solution that minimizes distortion caused by laser chirp interactions with downstream optical fibers.
Another significant patent is the "Method and apparatus for reducing clipping in an optical transmitter by phase decorrelation." This innovative method generates a frequency multiplexed sub-carrier signal that modulates information at various sub-carrier frequencies. By decorrelating in phase at least some pulses formed when these frequencies are in phase, Ramachandran's invention effectively reduces clipping, leading to improved signal integrity.
Career Highlights
Throughout his career, Mani Ramachandran has worked with reputable companies, including General Instrument Corporation and Synchronous Communications, Inc. These experiences have allowed him to refine his expertise and develop groundbreaking technologies in optical communications.
Collaborations
Ramachandran has collaborated with distinguished professionals in his field, notably Hermann Gysel and Chandra Sekhar Jasti. Their combined efforts have fostered innovation and progress in the area of optical transmitter technologies.
Conclusion
Mani Ramachandran's contributions to the field of optical fiber communications are marked by his 14 patents that demonstrate his innovative approach to solving complex challenges. His latest inventions are paving the way for more efficient and effective optical communication systems, showcasing the vital role inventors like him play in advancing technology and connectivity.