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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 4 — Feb. 25, 2013
  • pp: 5041–5052

Integrated TE and TM optical circulators on ultra-low-loss silicon nitride platform

Paolo Pintus, Fabrizio Di Pasquale, and John E. Bowers  »View Author Affiliations


Optics Express, Vol. 21, Issue 4, pp. 5041-5052 (2013)
http://dx.doi.org/10.1364/OE.21.005041


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Abstract

In this paper, we present two four-port optical circulators for TE and TM modes, respectively. Exploiting the recent technological development concerning Ce:YIG pulse laser deposition on silicon nitride platform, we design two integrated circulators, which can be used to implement several functions in integrated optics, such as de-interleavers, input/output amplifier isolators and output laser isolators. The proposed devices combine the benefit of low loss silicon nitride waveguides with the non-reciprocal properties of magneto-optical materials. The ring cross-section has been optimized in order to maximize the non-reciprocal phase shift and finally the scattering coefficients have been computed using the transfer matrix method. The material stability and refractive index regularity of silicon nitride, the small micro-ring footprint, and the high wavelength selectivity make these devices particularly attractive.

© 2013 OSA

OCIS Codes
(230.3240) Optical devices : Isolators
(230.3810) Optical devices : Magneto-optic systems
(230.5750) Optical devices : Resonators

ToC Category:
Integrated Optics

History
Original Manuscript: January 2, 2013
Revised Manuscript: February 1, 2013
Manuscript Accepted: February 1, 2013
Published: February 21, 2013

Citation
Paolo Pintus, Fabrizio Di Pasquale, and John E. Bowers, "Integrated TE and TM optical circulators on ultra-low-loss silicon nitride platform," Opt. Express 21, 5041-5052 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-4-5041


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