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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 20 — Sep. 24, 2012
  • pp: 22465–22474

Compact and fast photonic crystal 
silicon optical modulators

Hong C. Nguyen, Satoshi Hashimoto, Mizuki Shinkawa, and Toshihiko Baba  »View Author Affiliations


Optics Express, Vol. 20, Issue 20, pp. 22465-22474 (2012)
http://dx.doi.org/10.1364/OE.20.022465


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Abstract

We demonstrate the first sub-100 μm silicon Mach-Zehnder modulators (MZMs) that operate at >10 Gb/s, by exploiting low-dispersion slow-light in lattice-shifted photonic crystal waveguides (LSPCWs). We use two LSPCW-MZM structures, one with LSPCWs in both arms of the MZM, and the other with an LSPCW in only one of the arms. Using the first structure we demonstrate 10 Gb/s operation with a operating bandwidth of 12.5 nm, in a device with a phase-shifter length of only 50 μm. Using the second structure, owing to a larger group index as well as lower spectral noise, we demonstrate 40 Gb/s operation with a phase-shifter length of only 90 μm, which is more than an order-of-magnitude shorter than most 40 Gb/s MZMs.

© 2012 OSA

OCIS Codes
(130.0250) Integrated optics : Optoelectronics
(130.5296) Integrated optics : Photonic crystal waveguides

ToC Category:
Integrated Optics

History
Original Manuscript: July 24, 2012
Revised Manuscript: September 9, 2012
Manuscript Accepted: September 12, 2012
Published: September 17, 2012

Citation
Hong C. Nguyen, Satoshi Hashimoto, Mizuki Shinkawa, and Toshihiko Baba, "Compact and fast photonic crystal 
silicon optical modulators," Opt. Express 20, 22465-22474 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-20-22465


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