Photonic Systems, Inc. (PSI) offers comprehensive microwave photonics engineering and manufacturing capabilities. The firm's products enable a broad range of system performance, from basic transmission of RF over fiber for antenna remoting to complex signal processing in radio astronomy or defense applications.PSI has designed and developed high performance fiber-optic systems that include lasers, external modulators, driver amplifiers, bias control, linearization techniques, doped-fiber or semiconductor optical amplifiers, optical filters, high sensitivity receivers, temperature control, wideband power amplifiers, noise compensation circuits, and adaptive load compensators. PSI staff members have produced more than 200 technical publications on these topics, as well as having received international recognition for their contributions to the analysis, design and implementation of optical links and related topics.