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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 5 — Mar. 11, 2013
  • pp: 6360–6370

Self-aligning universal beam coupler

David A. B. Miller  »View Author Affiliations


Optics Express, Vol. 21, Issue 5, pp. 6360-6370 (2013)
http://dx.doi.org/10.1364/OE.21.006360


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Abstract

We propose a device that can take an arbitrary monochromatic input beam and, automatically and without any calculations, couple it into a single-mode guide or beam. Simple feedback loops from detectors to modulator elements allow the device to adapt to any specific input beam form. Potential applications include automatic compensation for misalignment and defocusing of an input beam, coupling of complex modes or multiple beams from fibers or free space to single-mode guides, and retaining coupling to a moving source. Straightforward extensions allow multiple different overlapping orthogonal input beams to be separated simultaneously to different single-mode guides with no splitting loss in principle. The approach is suitable for implementation in integrated optics platforms that offer elements such as phase shifters, Mach-Zehnder interferometers, grating couplers, and integrated monitoring detectors, and the basic approach is applicable in principle to other types of waves, such as microwaves or acoustics.

© 2013 OSA

OCIS Codes
(220.1140) Optical design and fabrication : Alignment
(230.3120) Optical devices : Integrated optics devices
(140.3298) Lasers and laser optics : Laser beam combining
(220.4298) Optical design and fabrication : Nonimaging optics
(220.1080) Optical design and fabrication : Active or adaptive optics

ToC Category:
Optical Design and Fabrication

History
Original Manuscript: January 23, 2013
Revised Manuscript: February 25, 2013
Manuscript Accepted: February 26, 2013
Published: March 6, 2013

Citation
David A. B. Miller, "Self-aligning universal beam coupler," Opt. Express 21, 6360-6370 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-5-6360


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