Paper
12 July 1993 Self-aligned connections between single-mode fibers with mutually pumped phase conjugate mirrors
Nicole Wolffer, V. Royer, Philippe Gravey
Author Affiliations +
Proceedings Volume 1806, Optical Computing; (1993) https://doi.org/10.1117/12.147827
Event: Topical Meeting on Optical Computing, 1992, Minsk, Belarus
Abstract
We demonstrate self-aligned connections at 633 nm between single mode fibers with two types of mutually pumped phase conjugate mirrors, made with photorefractive BTO crystals. The first type of device is the two-facing double phase conjugate mirror and the second is a double phase conjugate mirror, splitted into two zones. This second configuration provides higher efficiency and shorter response time (about 15 s). Up to 70% of the conjugated beam intensity may be coupled into the output fiber, while the total efficiency may reach 5%, mostly limited by crystal absorption. The influence of the period and orientation of the grating is experimentally studied. Reconfiguration capability is shown with reconfiguration time of a few tens of seconds. Efficient injection from a multimode fiber into a single mode one is also demonstrated. Possible applications of these self-aligned connections to free-space switching systems are suggested.
© (1993) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Nicole Wolffer, V. Royer, and Philippe Gravey "Self-aligned connections between single-mode fibers with mutually pumped phase conjugate mirrors", Proc. SPIE 1806, Optical Computing, (12 July 1993); https://doi.org/10.1117/12.147827
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KEYWORDS
Crystals

Phase conjugation

Mirrors

Diffraction

Laser crystals

Diffraction gratings

Switching

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