| Autor: |
Behrooz Abiri, Reza Fatemi, Ali Hajimiri |
| Jazyk: |
angličtina |
| Rok vydání: |
2018 |
| Předmět: |
|
| Zdroj: |
IEEE Photonics Journal, Vol 10, Iss 5, Pp 1-12 (2018) |
| Druh dokumentu: |
article |
| ISSN: |
1943-0655 |
| DOI: |
10.1109/JPHOT.2018.2871823 |
| Popis: |
This paper presents the first integrated silicon photonics optical phased array (OPA) receiver with imaging capabilities. A 32-element one-dimensional (1-D) OPA with an overall aperture size of 96 × 50 μm2 is used to generate an electrically steerable “gazing beam.” The OPA receiver elements couple the incident light to on-chip waveguides that is processed as a phased array receiver. To minimize signal loss and enhance sensitivity, a heterodyne architecture with phase shifters in the local reference path is utilized. The OPA receiver can provide fully programmable angular selectivity with a grating-lobe-free field-of-view of 30° and a gazing beamwidth of 0.74°. |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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