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Optics Letters

Optics Letters


  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 9 — May. 1, 2014
  • pp: 2553–2556

On-chip synthesis of circularly polarized emission of light with integrated photonic circuits

Li He and Mo Li  »View Author Affiliations

Optics Letters, Vol. 39, Issue 9, pp. 2553-2556 (2014)

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The helicity of circularly polarized (CP) light plays an important role in the light–matter interaction in magnetic and quantum material systems. Exploiting CP light in integrated photonic circuits could lead to on-chip integration of novel optical helicity-dependent devices for applications ranging from spintronics to quantum optics. In this Letter, we demonstrate a silicon photonic circuit coupled with a 2D grating emitter operating at a telecom wavelength to synthesize vertically emitting, CP light from a quasi-TE waveguide mode. Handedness of the emitted circular polarized light can be thermally controlled with an integrated microheater. The compact device footprint enables a small beam diameter, which is desirable for large-scale integration.

© 2014 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(130.3120) Integrated optics : Integrated optics devices
(130.5440) Integrated optics : Polarization-selective devices

ToC Category:
Integrated Optics

Original Manuscript: February 3, 2014
Revised Manuscript: March 3, 2014
Manuscript Accepted: March 25, 2014
Published: April 17, 2014

Li He and Mo Li, "On-chip synthesis of circularly polarized emission of light with integrated photonic circuits," Opt. Lett. 39, 2553-2556 (2014)

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