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Find a Rio International Distributors

About Us

Redfern Integrated Optics (RIO), headquarted in Santa Clara California, develops and manufactures optical sources and subsystems based on its proprietary planar external cavity laser technology (PLANEX™), which delivers unique price-performance advantages in energy, security, infrastructure, metrology, and other markets.

RIO's product lines include 1550nm single frequency narrow linewidth lasers and modules with very low noise, unparalleled wavelength stability, low cost, small size, low power dissipation, and Telecom grade lifetime reliability.

RIO's Vision

RIO’s Vision is to solve critical problems for humanity, in the areas of energy, infrastructure, and security.

RIO's Mission

RIO’s Mission is to become the dominant supplier of sources and subsystems to the optical sensing markets, based on innovative silicon photonics technologies.

RIO's Quality Policy

We, the employees of Redfern Integrated Optics, make the personal commitment to first understand our customers’ expectations, then to meet or exceed our commitment to those expectations by continually improving our processes, products and services.

Our dedication to continuous improvement enables us to deliver products and solutions of the highest value by performing the appropriate tasks defect free, on time, every time and thereby providing a competitive advantage to our customers.

Careers at RIO

At RIO we believe there's much more to a career than just a salary. That's why we've created a work environment that values the individual. As a start-up in a fast-paced industry, we challenge our employees to set goals, accept responsibility and solve problems.

Ours is an environment where every employee is a partner in our eventual success and will be rewarded accordingly, including a stock option grant and a very competitive benefit package.

Please email your resume to for immediate response.