This inventor holds 1 USPTO granted patent. Top assignee: Celight, Inc.. Active years: 2007.
Company Filing History:
Years Active: 2007
Title: Joseph Schwarzwalder: Innovator in Optical Communication
Introduction
Joseph Schwarzwalder is a notable inventor based in Gaithersburg, MD (US). He has made significant contributions to the field of optical communication, particularly through his innovative patent.
Latest Patents
Joseph Schwarzwalder holds a patent for a "System and method for code division multiplexed optical communication." This system is designed for optical communication and forms a family of orthogonal optical codes modulated by a data stream. The orthogonal codes are created by generating a stream of evenly spaced pulses using a pulse spreader circuit. These pulses are then modulated in amplitude and/or phase to create a family of orthogonal optical code words, each representing a symbol. A spreader calibration circuit ensures accurate timing and modulation. Each code word is further modulated by a predetermined number of data bits. The data modulation scheme divides a code word into horizontal and vertical components, processes them prior to modulation with data, and then recombines them using a polarization beam combiner. The data-modulated code word is transmitted to the receiver, where the received signal is detected and demodulated with the assistance of a symbol synchronization unit. This unit establishes the beginning and end of the code words. Additionally, a polarization mode distortion compensator at the receiver works in conjunction with a state of polarization compensator at the transmitter to mitigate polarization distortion in the fiber.
Career Highlights
Joseph Schwarzwalder is currently employed at Celight, Inc., where he continues to develop innovative solutions in optical communication. His work has contributed to advancements in the efficiency and effectiveness of data transmission.
Collaborations
Throughout his career, Joseph has collaborated with talented individuals such as Isaac Shpantzer and Michael Tseytlin. These partnerships have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.
Conclusion
Joseph Schwarzwalder is a distinguished inventor whose work in optical communication has paved the way for advancements in the field. His patent demonstrates a deep understanding of complex systems and a commitment to innovation.