Loss Uniformity Improvement of Arrayed-Waveguide Grating With Mode-Field Converters Designed by Wavefront Matching Method

Journal of Lightwave Technology

Volumn 27, Issue 24, 2009, Pages 5710-5715

  Sakamaki, Yohei ^a   Kamei, Shin ^a   Hashimoto, Toshikazu ^a   Kitoh, Tsutomu ^a   Takahashi, Hiroshi ^a  

^a NTT CORPORATION   (Japan)

Author keywords

Arrayed waveguide grating (AWG); design methodology; optical planar waveguides

Indexed keywords

EID: 85008002445     PISSN: 07338724     EISSN: 15582213     Source Type: Journal    
DOI: 10.1109/JLT.2009.2034030     Document Type: Article

References (16)

1. Y. Hibino, “Recent advances in high-density and large-scale AWG multi/demultiplexers with higher index-contrast silica-based PLCs,” IEEE J. Sel. Topics Quantum Electron., vol. 8, no. 8, pp. 1090–1101, Nov./Dec. 2002.
2. C. R. Doerr and K. Okamoto, “Advances in silica planar lightwave circuits,” J. Lightwave Technol., vol. 24, no. 12, pp. 4763–4789, Dec. 2006.
3. Y. P. Li, “Optical Device Having Low Insertion Loss,” U.S. Patent 5 745 618, Apr. 28, 1998.
4. A. Sugita, A. Kaneko, K. Okamoto, M. Itoh, A. Himeno, and Y. Ohmori, “Very low insertion loss arrayed-waveguide grating with vertically tapered waveguides,” IEEE Photon. Technol. Lett., vol. 12, no. 9, pp. 1180–1182, Sep. 2000.
5. C. Dragone, C. H. Henry, I. P. Kaminow, and R. C. Kistler, “Efficient multichannel integrated optics star coupler on silicon,” IEEE Photon. Technol. Lett., vol. 1, no. 8, pp. 479–489, Aug. 1989.
6. K. Okamoto, H. Takahashi, S. Suzuki, A. Sugita, and Y. Ohmori, “Design and fabrication of integrated 8×8 star coupler,” Electron. Lett., vol. 27, pp. 774–775, 1991.
7. G. H. Song and M. Y. Park, “Bessel-function analysis of the optimized star coupler for uniform power splitting,” J. Opt. Soc. Amer. A, vol. 21, pp. 1529–1544, 2004.
8. C. Dragone, C. R. Doerr, P. Bernasconi, M. Cappuzzo, E. Chen, A. Wong-Foy, and L. Gomez, “Low-loss N×N wavelength router,” Electron. Lett., vol. 41, pp. 763–764, 2005.
9. K. Takiguchi, K. Okamoto, and A. Sugita, “Arrayed-waveguide grating with uniform loss properties over the entire range of wavelength channels,” Opt. Lett., vol. 31, pp. 459–461, 2006.
10. Z. Sheng, D. Dai, and S. He, “Improve channel uniformity of an Si-nanowire AWG demultiplexer by using dual-tapered auxiliary waveguides,” J. Lightwave Technol., vol. 25, no. 10, pp. 3001–3007, Oct. 2007.
11. T. Hashimoto, T. Saida, I. Ogawa, M. Kohtoku, T. Shibata, and H. Takahashi, “Optical circuit design based on a wavefront-matching method,” Opt. Lett., vol. 30, pp. 2560–2562, 2005.
12. Y. Sakamaki, T. Saida, T. Hashimoto, and H. Takahashi, “New optical waveguide design based on wavefront matching method,” J. Lightw. Technol., vol. 25, no. 11, pp. 3511–3518, Nov. 2007.
13. Y. Sakamaki, T. Saida, M. Tamura, M. Itoh, T. Hashimoto, and H. Takahashi, “Loss reduction of arrayed waveguide grating with mode converters designed by wavefront matching method,” Electron. Lett., vol. 42, pp. 1300–1301, 2006.
14. K. Okamoto, Fundamentals of Optical Waveguide, 2nd ed. New York: Academic, 2005, ch. 9.
15. H. Takahashi, Y. Hibino, Y. Ohmori, and M. Kawachi, “Polarization-insensitive arrayed-waveguide wavelength multiplexer with birefringence compensating film,” IEEE Photon. Technol. Lett., vol. 5, no. 6, pp. 707–709, Jun. 1993.
16. K. Maru, M. Okawa, Y. Abe, T. Hakuta, S. Himi, and H. Uetsuka, “Silica-based 2.5%-Aarrayed waveguide grating using simple polarization compensation method with core width adjustment,” Electron. Lett., vol. 43, pp. 26–27, 2007.