Gallium Arsenide Optical Phased Array Photonic Integrated Circuit
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arXiv
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| Hauptverfasser: | , , , , , |
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| Format: | Preprint |
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2023
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| _version_ | 1866909088724549632 |
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| author | Nickerson, Michael Song, Bowen Brookhyser, Jim Erwin, Gregory Kleinert, Jan Klamkin, Jonathan |
| author_facet | Nickerson, Michael Song, Bowen Brookhyser, Jim Erwin, Gregory Kleinert, Jan Klamkin, Jonathan |
| contents | A 16-channel optical phased array is fabricated on a gallium arsenide photonic integrated circuit platform with a low-complexity process. Tested with a 1064 nm external laser, the array demonstrates 0.92° beamwidth, 15.3° grating-lobe-free steering range, and 12 dB sidelobe level. Based on a reverse biased p-i-n structure, component phase modulators are 3 mm long with DC power consumption of less than 5 $μ$W and greater than 770 MHz electro-optical bandwidth. Individual 4-mm-long phase modulators based on the same structure demonstrate single-sided V$π{\cdot}$L modulation efficiency ranging from 0.5 V${\cdot}$cm to 1.23 V${\cdot}$cm when tested at wavelengths from 980 nm to 1360 nm. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2304_03417 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Gallium Arsenide Optical Phased Array Photonic Integrated Circuit Nickerson, Michael Song, Bowen Brookhyser, Jim Erwin, Gregory Kleinert, Jan Klamkin, Jonathan Optics Applied Physics A 16-channel optical phased array is fabricated on a gallium arsenide photonic integrated circuit platform with a low-complexity process. Tested with a 1064 nm external laser, the array demonstrates 0.92° beamwidth, 15.3° grating-lobe-free steering range, and 12 dB sidelobe level. Based on a reverse biased p-i-n structure, component phase modulators are 3 mm long with DC power consumption of less than 5 $μ$W and greater than 770 MHz electro-optical bandwidth. Individual 4-mm-long phase modulators based on the same structure demonstrate single-sided V$π{\cdot}$L modulation efficiency ranging from 0.5 V${\cdot}$cm to 1.23 V${\cdot}$cm when tested at wavelengths from 980 nm to 1360 nm. |
| title | Gallium Arsenide Optical Phased Array Photonic Integrated Circuit |
| topic | Optics Applied Physics |
| url | https://arxiv.org/abs/2304.03417 |