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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 23 — Dec. 1, 2013
  • pp: 5122–5125

Generation of two-cycle pulses and octave-spanning frequency combs in a dispersion-flattened micro-resonator

Lin Zhang, Chengying Bao, Vivek Singh, Jianwei Mu, Changxi Yang, Anuradha M. Agarwal, Lionel C. Kimerling, and Jurgen Michel  »View Author Affiliations


Optics Letters, Vol. 38, Issue 23, pp. 5122-5125 (2013)
http://dx.doi.org/10.1364/OL.38.005122


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Abstract

We show that octave-spanning Kerr frequency combs with improved spectral flatness of comb lines can be generated in dispersion-flattened microring resonators. The resonator is formed by a strip/slot hybrid waveguide, exhibiting a flat and low anomalous dispersion between two zero-dispersion wavelengths that are separated by one octave from near-infrared to mid-infrared. Such flattened dispersion profiles allow for the generation of mode-locked frequency combs, using relatively low pump power to obtain two-cycle cavity solitons on a chip, associated with the octave-spanning comb bandwidth. The wavelength dependence of the optical loss and of the coupling coefficient and thus wavelength dependent Q-factor are also considered.

© 2013 Optical Society of America

OCIS Codes
(130.4310) Integrated optics : Nonlinear
(190.4390) Nonlinear optics : Nonlinear optics, integrated optics
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(190.5530) Nonlinear optics : Pulse propagation and temporal solitons
(230.5750) Optical devices : Resonators

ToC Category:
Ultrafast Optics

History
Original Manuscript: August 27, 2013
Manuscript Accepted: October 11, 2013
Published: November 26, 2013

Citation
Lin Zhang, Chengying Bao, Vivek Singh, Jianwei Mu, Changxi Yang, Anuradha M. Agarwal, Lionel C. Kimerling, and Jurgen Michel, "Generation of two-cycle pulses and octave-spanning frequency combs in a dispersion-flattened micro-resonator," Opt. Lett. 38, 5122-5125 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-23-5122

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