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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 5 — Mar. 1, 2010
  • pp: 4340–4345

All-optical wavelength-routing switch with monolithically integrated filter-free tunable wavelength converters and an AWG

Toru Segawa, Shinji Matsuo, Takaaki Kakitsuka, Yasuo Shibata, Tomonari Sato, Yoshihiro Kawaguchi, Yasuhiro Kondo, and Ryo Takahashi  »View Author Affiliations


Optics Express, Vol. 18, Issue 5, pp. 4340-4345 (2010)
http://dx.doi.org/10.1364/OE.18.004340


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Abstract

We present a compact 4x8 wavelength-routing switch that monolithically integrates fast tunable wavelength converters (TWCs) and an arrayed-waveguide grating (AWG) for optical packet switching. The TWC consists of a double-ring-resonator-coupled tunable laser which allows rapid and stable switching, and an optical gate based on a parallel amplifier structure which prevents an input optical signal from being routed through the AWG (filter-free operation). A deep-ridge waveguide technology, employed for the AWG and ring resonators, facilitates the fabrication of the switch and makes the device compact. The filter-free TWCs achieve low crosstalk of the input optical signal of less than −22 dB. The wavelength routing operation of a non-return-to-zero (NRZ) signal at 10 Gbit/s is achieved with a switching time of less than 5 ns.

© 2010 OSA

OCIS Codes
(140.3600) Lasers and laser optics : Lasers, tunable
(250.3140) Optoelectronics : Integrated optoelectronic circuits
(130.4815) Integrated optics : Optical switching devices
(060.6719) Fiber optics and optical communications : Switching, packet

ToC Category:
Integrated Optics

History
Original Manuscript: December 21, 2009
Revised Manuscript: January 30, 2010
Manuscript Accepted: February 3, 2010
Published: February 17, 2010

Citation
Toru Segawa, Shinji Matsuo, Takaaki Kakitsuka, Yasuo Shibata, Tomonari Sato, Yoshihiro Kawaguchi, Yasuhiro Kondo, and Ryo Takahashi, "All-optical wavelength-routing switch with monolithically integrated filter-free tunable wavelength converters and an AWG," Opt. Express 18, 4340-4345 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-5-4340


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