Development of versatile waveguide-coupled optofluidic micro-ring resonator devices
Optical ring resonators have been investigated for a number of interesting devices, including dye lasers and sensors. However, in general, these devices can only operate on liquid samples with a low r...
Waferbonded active/passive vertically coupled microring lasers
We summarize the results of a European Project entitled WAPITI (Waferbonding and Active Passive Integration Technology and Implementation) dealing with the fabrication and investigation of active/pass...
Tunable ring resonators for silicon Raman laser and amplifier applications
Proc. SPIE, Vol. 6896, 68960Q (2008);
doi:10.1117/12.767867
Online Publication Date: 12 February 2008
Conference Date: Monday 21 January 2008
Conference Location: San Jose, CA, USA
Conference Title: Integrated Optics: Devices, Materials, and Technologies XII
Conference Chairs: Christoph M. Greiner, Christoph A. Waechter
Recently,low threshold Raman silicon lasers based on ring resonator architecturehave been demonstrated. One of the key elements of thelaser cavity is the directional coupler that couples both pumpand signal light in and out of the ring resonatorfrom the bus waveguide. The coupling coefficients are crucial forachieving desired laser performance. In this paper, we report design,fabrication, and characterization of tunable silicon ring resonators for Ramanlaser and amplifier applications. By employing a tunable coupler, thecoupling coefficients for both pump and signal wavelength can betailored to their optimal values after the fabrication, which significantlyincreases the processing tolerance and improves the device performance.
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