Passive temperature stabilization of silicon photonic devices using liquid crystals

Joanna Ptasinski, Iam Choon Khoo, Yeshaiahu Fainman

Research output: Contribution to journalArticlepeer-review

14 Scopus citations


In this work we explore the negative thermo-optic properties of liquid crystal claddings for passive temperature stabilization of silicon photonic integrated circuits. Photonic circuits are playing an increasing role in communications and computing, but they suffer from temperature dependent performance variation. Most existing techniques aimed at compensation of thermal effects rely on power hungry Joule heating. We show that integrating a liquid crystal cladding helps to minimize the effects of a temperature dependent drift. The advantage of liquid crystals lies in their high negative thermo-optic coefficients in addition to low absorption at the infrared wavelengths.

Original languageEnglish (US)
Pages (from-to)2229-2241
Number of pages13
Issue number3
StatePublished - 2014

All Science Journal Classification (ASJC) codes

  • General Materials Science
  • Condensed Matter Physics


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