1 × 4 wavelength reconfigurable photonic switch using thermally tuned microring resonators fabricated on silicon substrate

Han Yong Ng, Michael Renxun Wang, Daqun Li, Xuan Wang, Jose Martinez, Roberto R. Panepucci, Kachesh Pathak

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

We report a 1 × 4 wavelength reconfigurable photonic switch based on thermally tuned microring resonators (MRs) fabricated on a silicon-on-insulator substrate. The high refractive index of silicon facilitates the formation of highly confined optical waveguides and MRs. With a fabricated ring diameter of about 10 μm, the MRs support 18-nm free-spectral range and 0.15-nm resonant spectral linewidth. Many wavelength channels can be selected through local thermal tuning of resonators for reconfigurable switching and wavelength-division multiplexing/demultiplexing. The switch response time is about 1 ms. The results suggest the feasibility of high port-count photonic circuitry with dynamic wavelength reconfiguration capability for the development of large-scale integrated photonics.

Original languageEnglish
Pages (from-to)704-706
Number of pages3
JournalIEEE Photonics Technology Letters
Volume19
Issue number9
DOIs
StatePublished - May 1 2007

Fingerprint

Optical switches
Silicon
Resonators
switches
resonators
photonics
Wavelength
silicon
Substrates
wavelengths
Photonics
Demultiplexing
demultiplexing
Optical waveguides
wavelength division multiplexing
Wavelength division multiplexing
optical waveguides
Linewidth
Refractive index
Tuning

Keywords

  • Microring resonator (MR)
  • Photonic switch
  • Thermooptic
  • Tuning

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics
  • Electronic, Optical and Magnetic Materials

Cite this

1 × 4 wavelength reconfigurable photonic switch using thermally tuned microring resonators fabricated on silicon substrate. / Ng, Han Yong; Wang, Michael Renxun; Li, Daqun; Wang, Xuan; Martinez, Jose; Panepucci, Roberto R.; Pathak, Kachesh.

In: IEEE Photonics Technology Letters, Vol. 19, No. 9, 01.05.2007, p. 704-706.

Research output: Contribution to journalArticle

Ng, Han Yong ; Wang, Michael Renxun ; Li, Daqun ; Wang, Xuan ; Martinez, Jose ; Panepucci, Roberto R. ; Pathak, Kachesh. / 1 × 4 wavelength reconfigurable photonic switch using thermally tuned microring resonators fabricated on silicon substrate. In: IEEE Photonics Technology Letters. 2007 ; Vol. 19, No. 9. pp. 704-706.
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AU - Panepucci, Roberto R.

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