On-chip spectrometer based on an evanescently coupled multimode spiral waveguide

Seng Fatt Liew, Brandon Redding, Raktim Sarma, Yaron Bromberg, Hui Cao*

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

Abstract

We design and fabricate an on-chip spectrometer based on an evanescently-coupled multimode spiral waveguide. Evanescent coupling between waveguide arms greatly enhances the spectral resolution, reaching 10pm at wavelength 1520nm with a footprint of 500μm×500μm.

Original languageAmerican English
Article numberSM1F.3
JournalOptics InfoBase Conference Papers
StatePublished - 2016
Externally publishedYes
EventCLEO: Science and Innovations, SI 2016 - San Jose, United States
Duration: 5 Jun 201610 Jun 2016

Bibliographical note

Publisher Copyright:
© OSA 2016.

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