Lasing in silicon-organic hybrid waveguides
OPEN Nature communications | 8 Mar 2016
D Korn, M Lauermann, S Koeber, P Appel, L Alloatti, R Palmer, P Dumon, W Freude, J Leuthold and C Koos
Abstract
Silicon photonics enables large-scale photonic-electronic integration by leveraging highly developed fabrication processes from the microelectronics industry. However, while a rich portfolio of devices has already been demonstrated on the silicon platform, on-chip light sources still remain a key challenge since the indirect bandgap of the material inhibits efficient photon emission and thus impedes lasing. Here we demonstrate a class of infrared lasers that can be fabricated on the silicon-on-insulator (SOI) integration platform. The lasers are based on the silicon-organic hybrid (SOH) integration concept and combine nanophotonic SOI waveguides with dye-doped organic cladding materials that provide optical gain. We demonstrate pulsed room-temperature lasing with on-chip peak output powers of up to 1.1 W at a wavelength of 1,310 nm. The SOH approach enables efficient mass-production of silicon photonic light sources emitting in the near infrared and offers the possibility of tuning the emission wavelength over a wide range by proper choice of dye materials and resonator geometry.
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- Concepts
- Electromagnetic spectrum, Silicon on insulator, Electromagnetic radiation, Silicon photonics, Light, Optics, Photonics, Laser
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