4.5 Article

Multichannel Radio-Frequency Arbitrary Waveform Generation Based on Multiwavelength Comb Switching and 2-D Line-by-Line Pulse Shaping

Journal

IEEE PHOTONICS TECHNOLOGY LETTERS
Volume 24, Issue 11, Pages 891-893

Publisher

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2012.2190054

Keywords

Electrooptic modulators; microwave generation; microwave photonics; optical pulse shaping

Funding

  1. Naval Postgraduate School under the National Security Science and Engineering Faculty [N00244-09-1-0068]
  2. Marie Curie International Outgoing Fellowship [PIOF-2009-234996]

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We demonstrate a multichannel time-multiplexed radio-frequency arbitrary waveform generator. The system combines a switching scheme of multiwavelength optical frequency combs with a novel 2-D line-by-line pulse shaper featuring broad bandwidth operation over large temporal windows. Switching times within a clock period of 200 ps among the four channels is successfully achieved. With finer pulse shaper resolution, the number of channels can be scaled up without increasing the number of switching components.

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