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Bit-rate-variable DPSK demodulation using silicon microring resonators with electro-optic wavelength tuning

  • Ke Xu*
  • , Gordon K.P. Lei
  • , Stanley M.G. Lo
  • , Zhenzhou Cheng
  • , Chester Shu
  • , Hon Ki Tsang
  • *Corresponding author for this work
  • Chinese University of Hong Kong
  • University of Rochester

Research output: Contribution to journalArticlepeer-review

Abstract

We demonstrate a bit-rate-variable differential phase-shift keying (DPSK) demodulator based on silicon microring resonators (MRRs) with an integrated diode for wavelength tuning. The resonance wavelength of the MRR may be tuned by carrier injection and depletion. Error-free operations (bit error rate <10 -9) have been achieved for all tuning wavelengths. In addition, the proposed scheme can demodulate DPSK signals over a wide range of bit rates from below 25 to 40 Gb/s.

Original languageEnglish
Article number6208823
Pages (from-to)1221-1223
Number of pages3
JournalIEEE Photonics Technology Letters
Volume24
Issue number14
DOIs
StatePublished - 2012
Externally publishedYes

Keywords

  • Differential phase-shift keying (DPSK) demodulation
  • electro-optic wavelength tuning
  • silicon microring resonator

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