Coupling of laser arrays with intracavity elements in the far-field

Simon Mahler; Chene Tradonsky; Ronen Chriki; Asher A Friesem; Nir Davidson

doi:https://doi.org/10.1364/OSAC.2.002077

Coupling of laser arrays with intracavity elements in the far-field

Simon Mahler, Chene Tradonsky, Ronen Chriki, Asher A Friesem, Nir Davidson

Department of Physics of Complex Systems

Weizmann Institute of Science

Research output: Contribution to journal › Article › peer-review

Abstract

A relatively simple technique for coupling lasers in an array is presented. It is based on the insertion of an intracavity optical element in the far-field plane of a degenerate cavity laser that is used to form an array of lasers. We show that it is possible to control the selection of the lasers to couple regardless of the array geometry. An intracavity spherical lens in the far-field plane is numerically and experimentally investigated and the results compared with those from the more complicated Talbot diffraction for coupling lasers. With an intracavity cylindrical lens in a two dimensional square array geometry, it is possible to obtain controlled one-dimensional coupling, and with an intracavity binary phase element it is possible to obtain versatile couplings.

Original language	English
Pages (from-to)	2077-2084
Number of pages	8
Journal	OSA Continuum
Volume	2
Issue number	6
DOIs	https://doi.org/10.1364/OSAC.2.002077
State	Published - 15 Jun 2019

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

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title = "Coupling of laser arrays with intracavity elements in the far-field",

abstract = "A relatively simple technique for coupling lasers in an array is presented. It is based on the insertion of an intracavity optical element in the far-field plane of a degenerate cavity laser that is used to form an array of lasers. We show that it is possible to control the selection of the lasers to couple regardless of the array geometry. An intracavity spherical lens in the far-field plane is numerically and experimentally investigated and the results compared with those from the more complicated Talbot diffraction for coupling lasers. With an intracavity cylindrical lens in a two dimensional square array geometry, it is possible to obtain controlled one-dimensional coupling, and with an intracavity binary phase element it is possible to obtain versatile couplings.",

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AU - Davidson, Nir

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AB - A relatively simple technique for coupling lasers in an array is presented. It is based on the insertion of an intracavity optical element in the far-field plane of a degenerate cavity laser that is used to form an array of lasers. We show that it is possible to control the selection of the lasers to couple regardless of the array geometry. An intracavity spherical lens in the far-field plane is numerically and experimentally investigated and the results compared with those from the more complicated Talbot diffraction for coupling lasers. With an intracavity cylindrical lens in a two dimensional square array geometry, it is possible to obtain controlled one-dimensional coupling, and with an intracavity binary phase element it is possible to obtain versatile couplings.

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Coupling of laser arrays with intracavity elements in the far-field

Abstract

All Science Journal Classification (ASJC) codes

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