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

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4 Author(s)
Torres-Company, V. ; Sch. of Electr. & Comput. Eng., Purdue Univ., West Lafayette, IN, USA ; Metcalf, A.J. ; Leaird, D.E. ; Weiner, A.M.

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.

Published in:

Photonics Technology Letters, IEEE  (Volume:24 ,  Issue: 11 )