News
Tue January 1, 2013
Stretchable Photonic Crystal Cavity with Wide Frequency Tunability
We reported a new approach for the realization of a flexible photonic crystal (PC) cavity that enabled wide-range tuning of its resonance frequency. Our PC cavity consisted of a regular array of silicon nanowires embedded in a polydimethylsiloxane (PDMS) matrix and exhibited a cavity resonance in the telecommunication band that could be reversibly tuned over 60 nm via mechanical stretching – a record for two-dimensional (2D) PC structures. Those mechanically reconfigurable devices could find potential applications in integrated photonics, sensing in biological systems, and smart materials.
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