Measurement of small birefringence and loss in a nonlinear single-mode waveguide

Rogers, Daniel J.; Richardson, Christopher J. K.; Goldhar, Julius; Clark, Charles W.
May 2009
Review of Scientific Instruments;May2009, Vol. 80 Issue 5, p053107
Academic Journal
We design and fabricate a birefringent semiconductor waveguide for application to nonlinear photonics, demonstrating that it is possible to engineer a small birefringence into such a device using multiple core layers. We also demonstrate a simple technique to accurately determine small waveguide birefringence using a differential measurement, present useful methods for coupling light into and out of the device, and make estimates of coupling and linear device losses.


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