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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 17 — Aug. 15, 2011
  • pp: 16259–16265

Experimental demonstration of microring-based optical pulse train generator

Shang Wang and Hui Wu  »View Author Affiliations

Optics Express, Vol. 19, Issue 17, pp. 16259-16265 (2011)

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Recently, we proposed the concept of a microring-based optical pulse train generator, which uses a series of microrings coupled to a waveguide and time-interleaves a trigger pulse propagating on this waveguide to generate an optical pulse train. When each ring is electrically modulated, this electronic-photonic integrated circuit (EPIC) can be used for optical arbitrary waveform generation (OAWG) and ultrafast electro-optic (EO) modulation. This paper presents the proof-of-concept experimental demonstration of this technique with two four-stage chip prototypes fabricated on silicon-on-insulator (SOI) substrate. Device fabrication and testing of the chip prototypes are presented. The measurement results show that from a 20-ps-wide input trigger pulse, two circuits generate four sequential pulses at the output with a constant stage delay of 55 ps and 30 ps respectively, which translate into pulse repetition rates of 18 GHz and 33 GHz.

© 2011 OSA

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(230.5750) Optical devices : Resonators
(250.5300) Optoelectronics : Photonic integrated circuits
(320.7080) Ultrafast optics : Ultrafast devices

ToC Category:
Integrated Optics

Original Manuscript: June 28, 2011
Revised Manuscript: July 22, 2011
Manuscript Accepted: July 25, 2011
Published: August 9, 2011

Shang Wang and Hui Wu, "Experimental demonstration of microring-based optical pulse train generator," Opt. Express 19, 16259-16265 (2011)

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