Ultra-Compact Power Splitters with Low Loss in Arbitrary Direction Based on Inverse Design Method

The power splitter is a device that splits the energy from an input signal into multiple outputs with equal or uneven energy. Recently, the use of algorithms to intelligently design silicon-based photonic devices has attracted widespread attention. Thus, many optimization algorithms, which are calle...

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Autores principales:	Yanhong Xu, Hansi Ma, Tong Xie, Junbo Yang, Zhenrong Zhang
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	power splitter multi-channel any direction direct binary search (DBS) algorithm Applied optics. Photonics TA1501-1820
Acceso en línea:	https://doaj.org/article/c6627f40d0a941cbbee98f6c62758a64
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spelling	oai:doaj.org-article:c6627f40d0a941cbbee98f6c62758a642021-11-25T18:43:46ZUltra-Compact Power Splitters with Low Loss in Arbitrary Direction Based on Inverse Design Method10.3390/photonics81105162304-6732https://doaj.org/article/c6627f40d0a941cbbee98f6c62758a642021-11-01T00:00:00Zhttps://www.mdpi.com/2304-6732/8/11/516https://doaj.org/toc/2304-6732The power splitter is a device that splits the energy from an input signal into multiple outputs with equal or uneven energy. Recently, the use of algorithms to intelligently design silicon-based photonic devices has attracted widespread attention. Thus, many optimization algorithms, which are called inverse design algorithms, have been proposed. In this paper, we use the Direct Binary Search (DBS) algorithm designed with three 1 × 3 power splitters with arbitrary directions theoretically. They have any direction and can be connected to other devices in any direction, which greatly reduces the space occupied by the optical integrated circuit. Through the simulation that comes about, we are able to get the insertion loss (IL) of the device we designed to be less than 5.55 dB, 5.49 dB, and 5.32 dB, separately. Then, the wavelength is 1530–1560 nm, so it can be used in the optical communication system. To discuss the impact of the footprint on device performance, we also designed another device with the same function as the second one from the above three devices. Its IL is less than 5.40 dB. Although it occupies a larger area, it has an advantage in IL. Through the design results, three 1 × 3 power splitters can be freely combined to realize any direction, multi-channel, ultra-compact power splitters, and can be better connected with different devices to achieve different functions. At the same time, we also show an example of a combination. The IL of each port of the combined 1 × 6 power splitter is less than 8.82 dB.Yanhong XuHansi MaTong XieJunbo YangZhenrong ZhangMDPI AGarticlepower splittermulti-channelany directiondirect binary search (DBS) algorithmApplied optics. PhotonicsTA1501-1820ENPhotonics, Vol 8, Iss 516, p 516 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	power splitter multi-channel any direction direct binary search (DBS) algorithm Applied optics. Photonics TA1501-1820
spellingShingle	power splitter multi-channel any direction direct binary search (DBS) algorithm Applied optics. Photonics TA1501-1820 Yanhong Xu Hansi Ma Tong Xie Junbo Yang Zhenrong Zhang Ultra-Compact Power Splitters with Low Loss in Arbitrary Direction Based on Inverse Design Method
description	The power splitter is a device that splits the energy from an input signal into multiple outputs with equal or uneven energy. Recently, the use of algorithms to intelligently design silicon-based photonic devices has attracted widespread attention. Thus, many optimization algorithms, which are called inverse design algorithms, have been proposed. In this paper, we use the Direct Binary Search (DBS) algorithm designed with three 1 × 3 power splitters with arbitrary directions theoretically. They have any direction and can be connected to other devices in any direction, which greatly reduces the space occupied by the optical integrated circuit. Through the simulation that comes about, we are able to get the insertion loss (IL) of the device we designed to be less than 5.55 dB, 5.49 dB, and 5.32 dB, separately. Then, the wavelength is 1530–1560 nm, so it can be used in the optical communication system. To discuss the impact of the footprint on device performance, we also designed another device with the same function as the second one from the above three devices. Its IL is less than 5.40 dB. Although it occupies a larger area, it has an advantage in IL. Through the design results, three 1 × 3 power splitters can be freely combined to realize any direction, multi-channel, ultra-compact power splitters, and can be better connected with different devices to achieve different functions. At the same time, we also show an example of a combination. The IL of each port of the combined 1 × 6 power splitter is less than 8.82 dB.
format	article
author	Yanhong Xu Hansi Ma Tong Xie Junbo Yang Zhenrong Zhang
author_facet	Yanhong Xu Hansi Ma Tong Xie Junbo Yang Zhenrong Zhang
author_sort	Yanhong Xu
title	Ultra-Compact Power Splitters with Low Loss in Arbitrary Direction Based on Inverse Design Method
title_short	Ultra-Compact Power Splitters with Low Loss in Arbitrary Direction Based on Inverse Design Method
title_full	Ultra-Compact Power Splitters with Low Loss in Arbitrary Direction Based on Inverse Design Method
title_fullStr	Ultra-Compact Power Splitters with Low Loss in Arbitrary Direction Based on Inverse Design Method
title_full_unstemmed	Ultra-Compact Power Splitters with Low Loss in Arbitrary Direction Based on Inverse Design Method
title_sort	ultra-compact power splitters with low loss in arbitrary direction based on inverse design method
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/c6627f40d0a941cbbee98f6c62758a64
work_keys_str_mv	AT yanhongxu ultracompactpowersplitterswithlowlossinarbitrarydirectionbasedoninversedesignmethod AT hansima ultracompactpowersplitterswithlowlossinarbitrarydirectionbasedoninversedesignmethod AT tongxie ultracompactpowersplitterswithlowlossinarbitrarydirectionbasedoninversedesignmethod AT junboyang ultracompactpowersplitterswithlowlossinarbitrarydirectionbasedoninversedesignmethod AT zhenrongzhang ultracompactpowersplitterswithlowlossinarbitrarydirectionbasedoninversedesignmethod
_version_	1718410798665039872

Ultra-Compact Power Splitters with Low Loss in Arbitrary Direction Based on Inverse Design Method

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