Abstract

In this study, we propose a new type of slow light photonic crystal waveguide structure to achieve wideband slow light with low dispersion. The waveguide is based on a triangular lattice ellipse-hole photonic crystal imposed simply by a selective altering of the locations of the holes adjacent to the line defect. Under a constant group index criterion of ±10% variation, when group indices are nearly constants of 54, 69, and 80, their corresponding bandwidths of the flat band reach 12.7, 10.0, and 8.6 nm around 1550 nm, respectively. A nearly constant large group index–bandwidth product of 0.44 is achieved for all cases. Low dispersion slow light propagation is confirmed by studying the relative temporal pulse-width spreading with the two-dimensional finite-difference time-domain method.

© 2015 Optical Society of America

Full Article  |  PDF Article
More Like This
Systematic design of wideband slow light in ellipse-hole photonic crystal waveguides

Jian Tang, Tao Wang, Xiaoming Li, Bo Liu, Boyun Wang, and Yu He
J. Opt. Soc. Am. B 31(5) 1011-1017 (2014)

Slow light in an alternative row of ellipse-hole photonic crystal waveguide

Yameng Xu, Lei Xiang, Eric Cassan, Dingshan Gao, and Xinliang Zhang
Appl. Opt. 52(6) 1155-1160 (2013)

Slow light in ellipse-hole photonic crystal line-defect waveguide with high normalized delay bandwidth product

Vali Varmazyari, Hamidreza Habibiyan, and Hassan Ghafoorifard
J. Opt. Soc. Am. B 31(4) 771-779 (2014)

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Figures (5)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Tables (1)

You do not have subscription access to this journal. Article tables are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Equations (2)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Metrics