Tunable electro-optic polarization modulator for quantum key distribution applications

Nikita Y. Gordeev, Karen J. Gordon, Gerald S. Buller

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)


A tunable polarization retarder based on a bulk buried heterostructure semiconductor waveguide has been demonstrated for the specific application of quantum key distribution. Simplicity of construction, low drive voltage, wide spectral range of operation and potentially high frequency response make it ideal for polarization modulation at the transmitter (Alice) and receiver (Bob) in at least two quantum key distribution protocols. The modulator performance was analyzed in a test quantum key distribution system. © 2004 Elsevier B.V. All rights reserved.

Original languageEnglish
Pages (from-to)203-210
Number of pages8
JournalOptics Communications
Issue number1-6
Publication statusPublished - 15 Apr 2004


  • Optoelectronic device
  • Polarization modulator
  • Quantum cryptography
  • Quantum key distribution


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