Birefringence control for ion-exchanged channel glass waveguides
Pekka ÄyräsThe authors are with the Optical Sciences Center, University of Arizona, Tucson, Arizona 85721.G. Nunzi Conti is on leave from the Dipartimento di Elettronica, Informatica e Sistemistica, Università di Bologna, I-40136 Bologna, ItalyGualtiero Nunzi ContiThe authors are with the Optical Sciences Center, University of Arizona, Tucson, Arizona 85721.G. Nunzi Conti is on leave from the Dipartimento di Elettronica, Informatica e Sistemistica, Università di Bologna, I-40136 Bologna, ItalySeppo HonkanenThe authors are with the Optical Sciences Center, University of Arizona, Tucson, Arizona 85721.G. Nunzi Conti is on leave from the Dipartimento di Elettronica, Informatica e Sistemistica, Università di Bologna, I-40136 Bologna, ItalyN. PeyghambarianThe authors are with the Optical Sciences Center, University of Arizona, Tucson, Arizona 85721.G. Nunzi Conti is on leave from the Dipartimento di Elettronica, Informatica e Sistemistica, Università di Bologna, I-40136 Bologna, Italy
1998en
ABI
Аннотация
We show that at 1.55-mum wavelength the waveguide birefringence of ion-exchanged channel waveguides in glass can be broadly tuned by a potassium and silver double-ion exchange. Two different potassium and silver double-ion-exchange processes are used to make surface waveguides with negligible waveguide birefringence. This process is crucially important in the manufacture of devices for dense wavelength-division multiplexing systems. The dependence of the waveguide birefringence on the channel width is also reported.
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