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Optical clock distribution using integrated free-space optics
Authors:Susan J Walker  Jürgen Jahns
Institution:

AT&T Bell Laboratories, Holmdel, NJ 07733, USA

Abstract:The design and experimental results of an optical clock distribution system based on integrated free-space micro-optics are reported. Planar optical components such as lenses, beamsplitters, and mirrors, are monolithically integrated on a single glass substrate to provide a stable and compact system. A single input beam is split and distributed evenly to N output positions using a binary tree of beamsplitters. The experiment shown demonstrates the principle idea for a system with a fanout of eight. Theoretical considerations show that a fanout of 64 or larger is feasible.
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