Hybrid planar lightwave circuits for defense and aerospace applications

Hua Zhang; Serge Bidnyk; Shiquan Yang; Ashok Balakrishnan; Matt Pearson; Sean O'Keefe

doi:10.1117/12.849954

16 April 2010 Hybrid planar lightwave circuits for defense and aerospace applications

Hua Zhang, Serge Bidnyk, Shiquan Yang, Ashok Balakrishnan, Matt Pearson, Sean O'Keefe

Proceedings Volume 7700, Enabling Photonics Technologies for Defense, Security, and Aerospace Applications VI; 77000B (2010) https://doi.org/10.1117/12.849954
Event: SPIE Defense, Security, and Sensing, 2010, Orlando, Florida, United States

Abstract

We present innovations in Planar Lightwave Circuits (PLCs) that make them ideally suited for use in advanced defense and aerospace applications. We discuss PLCs that contain no micro-optic components, no moving parts, pose no spark or fire hazard, are extremely small and lightweight, and are capable of transporting and processing a range of optical signals with exceptionally high performance. This PLC platform is designed for on-chip integration of active components such as lasers and detectors, along with transimpedance amplifiers and other electronics. These active components are hybridly integrated with our silica-on-silicon PLCs using fully-automated robotics and image recognition technology. This PLC approach has been successfully applied to the design and fabrication of multi-channel transceivers for aerospace applications. The chips contain hybrid DFB lasers and high-efficiency detectors, each capable of running over 10 Gb/s, with mixed digital and analog traffic multiplexed to a single optical fiber. This highlyintegrated functionality is combined onto a silicon chip smaller than 4 x 10 mm, weighing < 5 grams. These chip-based transceivers have been measured to withstand harsh g-forces, including sinusoidal vibrations with amplitude of 20 g acceleration, followed by mechanical shock of 500 g acceleration. The components operate over a wide range of temperatures, with no device failures after extreme temperature cycling through a range of > 125 degC, and more than 2,000 hours operating at 95 degC ambient air temperature. We believe that these recent advancements in planar lightwave circuits are poised to revolutionize optical communications and interconnects in the aerospace and defense industries.

Citation Download Citation

Hua Zhang, Serge Bidnyk, Shiquan Yang, Ashok Balakrishnan, Matt Pearson, and Sean O'Keefe "Hybrid planar lightwave circuits for defense and aerospace applications", Proc. SPIE 7700, Enabling Photonics Technologies for Defense, Security, and Aerospace Applications VI, 77000B (16 April 2010); https://doi.org/10.1117/12.849954

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KEYWORDS

Photonic integrated circuits

Transceivers

Aerospace engineering

Defense and security

Silica

Fiber optic communications

Optical alignment

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