Abstract
(Graph Presented) This paper studies the fabrication and characterization of solution-processed chalcogenide waveguides by a microtrench filling method. In this process, channels are etched on substrates and backfilled with solution-dissolved arsenic sulfide before being annealed. The waveguides are homogeneous in elemental composition and have good mode confinement. Both simulation and experimental measurements confirm a dominant fundamental mode covering 2.5-2.8 μm. We measure an optical loss of 1.87 dB/cm, which to our knowledge is the lowest among solution-processed waveguides.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 153-157 |
| Number of pages | 5 |
| Journal | ACS Photonics |
| Volume | 1 |
| Issue number | 3 |
| DOIs | |
| State | Published - Mar 19 2014 |
All Science Journal Classification (ASJC) codes
- Electronic, Optical and Magnetic Materials
- Biotechnology
- Atomic and Molecular Physics, and Optics
- Electrical and Electronic Engineering
Keywords
- arsenic sulfide
- chalcogenides
- glass
- microtrench filling
- solution-process
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