Frequency Estimation in Intradyne Reception

Frequency Estimation in Intradyne Reception

We report on an optical intradyne receiver experiment with frequency estimation. Frequency estimation allows, if performed prior to block phase estimation or other phase recovery techniques, for a much higher frequency difference between transmit laser and local oscillator laser. We demonstrate the...

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Veröffentlicht in:IEEE photonics technology letters 2007-03, Vol.19 (6), p.366-368
Hauptverfasser: Leven, A., Kaneda, N., Ut-Va Koc, Young-Kai Chen
Format: Artikel
Sprache:eng
Schlagworte:
Blocking
Coherent detection
Decoding
Feasibility
Frequency estimation
Keying
Lasers
optical communication
Optical feedback
Optical mixing
Optical receivers
Optical signal processing
Oscillators
Phase estimation
Phase shift keying
Photonics
Quadrature phase shift keying
quadrature phase-shift keying (QPSK)
Quadratures
Receivers
Signal processing algorithms
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Zusammenfassung:We report on an optical intradyne receiver experiment with frequency estimation. Frequency estimation allows, if performed prior to block phase estimation or other phase recovery techniques, for a much higher frequency difference between transmit laser and local oscillator laser. We demonstrate the feasibility of our approach in a 20-Gb/s quadrature phase-shift keying experiment
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2007.891893