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El-Sabban S, Khalil D, Schanen I, et al. Design of an integrated optical magic T for astronomy applications. Appl Opt. 2000;39(36):6781-6doi: 10.1364/ao.39.006781.
El-Sabban, S., Khalil, D., Schanen, I., & Benech, P. (2000). Design of an integrated optical magic T for astronomy applications. Applied optics, 39(36), 6781-6. https://doi.org/10.1364/ao.39.006781
El-Sabban, S, et al. "Design of an integrated optical magic T for astronomy applications." Applied optics vol. 39,36 (2000): 6781-6. doi: https://doi.org/10.1364/ao.39.006781
El-Sabban S, Khalil D, Schanen I, Benech P. Design of an integrated optical magic T for astronomy applications. Appl Opt. 2000 Dec 20;39(36):6781-6. doi: 10.1364/ao.39.006781. PMID: 18354692.
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Appl Opt. 2000 Dec 20;39(36):6781-6. doi: 10.1364/ao.39.006781.

Design of an integrated optical magic T for astronomy applications.

Applied optics

S El-Sabban, D Khalil, I Schanen, P Benech

Affiliations

  1. Laboratoire d'Electromagnétisme, Micro-ondes et Optoélectronique, Ecole Nationale Supérieure d'Electronique et de Radioélectricité de Grenoble, 23 Avenue des Martyrs, BP 257 38016 Grenoble Cedex 1, France.

PMID: 18354692 DOI: 10.1364/ao.39.006781

Abstract

A new integrated optical component is introduced that performs the function of the well-known microwave magic T, i.e., that produces the sum and the difference of the two input optical signals. Two structures are proposed and tested theoretically for this purpose. The first is based on the symmetric Y junction, and the second is based on interference phenomena in a multimode waveguide. The theoretical design is tested with a beam-propagation method simulation, and good performance is obtained. The effects of the geometrical design parameters on the structures' performance (bandwidth, cross talk, and losses) are also investigated.

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