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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 19 — Oct. 1, 2013
  • pp: 3914–3917

Demonstration of complementary apodized cascaded grating waveguides for tunable optical delay lines

Saeed Khan and Sasan Fathpour  »View Author Affiliations

Optics Letters, Vol. 38, Issue 19, pp. 3914-3917 (2013)

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High-speed, tunable integrated silicon photonic delay lines are demonstrated by cascading complementary apodized silicon grating waveguides. The cascaded grating waveguides, with inward and outward super-Gaussian apodization profiles, compensate each other’s dispersion and allow high-speed operation. Characterization of the compact delay lines shows that they have low loss, offer true time delays of 82 ps and a tuning range of 32 ps, and can potentially operate at bit rates as high as 107Gb/s.

© 2013 Optical Society of America

OCIS Codes
(250.0250) Optoelectronics : Optoelectronics
(250.5300) Optoelectronics : Photonic integrated circuits

ToC Category:
Integrated Optics

Original Manuscript: July 15, 2013
Revised Manuscript: August 22, 2013
Manuscript Accepted: August 23, 2013
Published: September 30, 2013

Saeed Khan and Sasan Fathpour, "Demonstration of complementary apodized cascaded grating waveguides for tunable optical delay lines," Opt. Lett. 38, 3914-3917 (2013)

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  1. G. Lenz, B. J. Eggleton, C. K. Madsen, and R. E. Slusher, IEEE J. Quantum Electron. 37, 525 (2001). [CrossRef]
  2. S. Khan, M. A. Baghban, and S. Fathpour, Opt. Express 19, 11780 (2011). [CrossRef]
  3. S. Khan and S. Fathpour, Opt. Express 20, 19859 (2012). [CrossRef]
  4. S. Yegnanarayanan, P. D. Trinh, F. Coppinger, and B. Jalali, IEEE Photon. Technol. Lett. 9, 634 (1997). [CrossRef]
  5. F. Xia, L. Sekaric, and Yu. Vlasov, Nat. Photonics 1, 65 (2007). [CrossRef]
  6. A. Melloni, A. Canciamilla, C. Ferrari, F. Morichetti, L. O’Faolain, T. F. Krauss, R. De La Rue, A. Samarelli, and M. Sorel, IEEE Photon. J. 2, 181 (2010). [CrossRef]
  7. J. B. Khurgin and P. A. Morton, Opt. Lett. 34, 2655 (2009). [CrossRef]
  8. P. A. Morton, J. Cardenas, J. B. Khurgin, and M. Lipson, IEEE Photon. Technol. Lett. 24, 512 (2012). [CrossRef]
  9. Q. Li, A. A. Eftekhar, P. Alipour, A. H. Atabaki, S. Yegnanarayanan, and A. Adibi, IEEE Photon. Technol. Lett. 24, 1276 (2012). [CrossRef]
  10. Y. Jiang, W. Jiang, X. Chen, L. Gu, B. Howley, and R. T. Chen, Proc. SPIE 5733, 166 (2005). [CrossRef]
  11. J. Adachi, N. Ishikura, H. Sasaki, and T. Baba, IEEE J. Sel. Top. Quantum Electron. 16, 192 (2010). [CrossRef]
  12. J. B. Khurgin, J. U. Kang, and Y. J. Ding, Opt. Lett. 25, 70 (2000). [CrossRef]
  13. Yu. A. Vlasov, M. O’Boyle, H. F. Hamann, and S. J. McNab, Nature 438, 65 (2005). [CrossRef]

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