This is an image of red laser light propagating in a spiraled ultra-low-loss Si₃N₄ waveguide courtesy of Photonics Society members Jared F. Bauters, Martijn J. R. Heck, Demis D. John, Ming-Chun Tien, Jon S. Barton, Daniel J. Blumenthal and John E. Bowers. IPC 2011 Submission PD1 entitled:  Ultra-Low-Loss (<0.1 dB/m) Planar Silica Waveguide Technology