Abstract

We present experimental and simulation results of sidewall Bragg gratings (BGs) implemented on a silicon nitride waveguide platform, with emphasis on the appreciable drop of transmission on the high-frequency side of the grating stopband due to the coupling into backward cladding/radiative modes. We differentiate this from the coupling into backward slab modes as observed in BGs implemented in silicon-on-insulator ridge waveguides. The dimension of the device top cladding affects the shape of the drop pattern. Different approaches for circumventing this drop pattern are discussed. A better understanding of this physical phenomenon will help guide the design of BGs on integrated photonic platforms.

© 2019 Optical Society of America

Full Article  |  PDF Article
OSA Recommended Articles
Wide bandwidth and high coupling efficiency Si3N4-on-SOI dual-level grating coupler

Wesley D. Sacher, Ying Huang, Liang Ding, Benjamin J. F. Taylor, Hasitha Jayatilleka, Guo-Qiang Lo, and Joyce K. S. Poon
Opt. Express 22(9) 10938-10947 (2014)

Low kappa, narrow bandwidth Si3N4 Bragg gratings

Daryl T. Spencer, Mike Davenport, Sudharsanan Srinivasan, Jacob Khurgin, Paul A. Morton, and John E. Bowers
Opt. Express 23(23) 30329-30336 (2015)

Mach-Zehnder crossbar switching and tunable filtering using N-coupled waveguide Bragg resonators

Richard A. Soref, Francesco De Leonardis, and Vittorio M. N. Passaro
Opt. Express 26(12) 14959-14971 (2018)

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 OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA 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 OSA member, or as an authorized user of your institution.

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

Figures (10)

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

Contact your librarian or system administrator
or
Login to access OSA 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 OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA 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 OSA member, or as an authorized user of your institution.

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

Metrics

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

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