Table 1 Contribution from different loss origins.

From: 422 Million intrinsic quality factor planar integrated all-waveguide resonator with sub-MHz linewidth

Losses at 1570 nm

UHQR

Control

Scattering loss (dB m−1)

0.046

0.143

Absorption loss (dB m−1)

0.014

0.031

Total loss (dB m−1)

0.060

0.175

  1. Scattering and absorption loss contributions. Measured total and absorption loss and calculated scattering loss for the ultra-high Q resonator (UHQR) and control devices indicating an order of magnitude decrease in scattering loss and a twofold decrease in absorption.
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