Self-organizing lightwave network (SOLNET) and its application to film optical circuit substrates

Yoshimura, Tetsuzo; Roman, James; Takahashi, Yasuhito; Wang, W.-C.V.; Inao, M.; Ishitsuka, Takeshi; Tsukamoto, Koji; Aoki, Shigeki; Motoyoshi, Katsusada; Sotoyama, Wataru

doi:10.1109/6144.946499

Cited by 30 publications

(9 citation statements)

References 8 publications

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“…To solve this problem, the applicability of the 3D integrated film micro system and resource-saving integration processes [11,12] will be studied. By using the Photolithographic Packaging with Selectively Occupied Repeated Transfer (PL-Pack with SORT) technique [11] that transplants multiple different thin-film devices together, organic and inorganic EO thin film and semiconductor EO thin film can be easily integrated with waveguides, waveguide lenses, waveguide filters, and waveguide mirrors. For example, in the models of this research, SPCD thin film can be integrated in the optical switch by transplanting the SiO x /TiO y lens thin film adjusted to a refractive index of 2.0 in the waveguide lens and embedding this in the polymer waveguide film.…”

Section: Discussionmentioning

confidence: 99%

Proposal and switching characteristics evaluation for waveguide‐prism‐deflector type micro optical switches (WPD‐MOS)

Ninomiya

Arai

Yoshimura

et al. 2003

Electron Comm Jpn Pt II

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SUMMARYTo handle the drastic increase in communication capacity, the need for large-scale, high-speed switching systems is expected. As a solution, we proposed a 3-Dimensional Micro Optical Switching System (3D-MOSS) that arranges many thin-film micro optical switches in multiple layers and connects them with Optical Z-Connections. This implementation requires a micro optical switch having fast, stable operation. In this paper, we propose a waveguideprism-deflector type micro optical switch (WPD-MOS) as a candidate 3D-MOSS thin-film micro optical switch and analyze its operation. This optical switch forms a prism electrode in a slab waveguide having the electro-optical effect. The application of voltage produces a dynamic waveguide prism and deflects the optical beam. A feature is the insensitivity of the processing precision to strong temperature fluctuations. An evaluation by the Beam Propagation Method (BPM) demonstrated the ability to implement 2 × 2 micro optical switches having a length of 390 µm, crosstalk ≤ -12 dB, and insertion losses ≤ 0.96 dB at the drive voltage of 110 V. We also studied a 3 × 3 WPD-MOS.

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Section: Discussionmentioning

confidence: 99%

Proposal and switching characteristics evaluation for waveguide‐prism‐deflector type micro optical switches (WPD‐MOS)

Ninomiya

Arai

Yoshimura

et al. 2003

Electron Comm Jpn Pt II

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“…SOLNET is a candidate to achieve this [9][10][11][12]. SOLNET can realize the optical solder of self-aligned optical couplings between misaligned optical devices with different core widths, and can fabricate self-aligned optical waveguides in free spaces three dimensionally.…”

Section: Self-organized Lightwave Networkmentioning

confidence: 99%

“…Meanwhile, SOLNET [9][10][11][12] utilizes attractive force induced between a plurality of write beams. The concept of SOLNET is summarized in Figure 8.28.…”

Section: Conceptmentioning

confidence: 99%

Thin‐Film Molecular Nanophotonics

Yoshimura

2015

Photonics

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“…9 Based on the results, total system performance of 3D-MOSS for a 32ϫ32 Banyan network is assessed, including system size, operation voltage, switching speed, power consumption, and insertion loss. Finally, a material/cost-saving heterogeneous integration process called ''photolithographic packaging with selectively occupied repeated transfer ͑PL-Pack with SORT͒,'' [3][4][5][6] which is based on the epitaxial liftoff method, 10,11 is briefly described as a method of 3D-MOSS fabrication.…”

Section: Introductionmentioning

confidence: 99%

Three-dimensional micro-optical switching system architecture using slab-waveguide-based micro-optical switches

et al. 2003

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A high-speed, large-scale architecture, three-dimensional micro-optical switching system (3-D MOSS) is proposed. A switching network is divided into subnetwork blocks, followed by stacking them to construct a multilayer structure. The interblock waveguide connection is replaced with short-distance vertical optical wiring, that is, optical z connections. Thus, 3D-MOSS, in contrast with conventional planar structures, reduces waveguide cross points, wiring length, and system size. Expected applications are switching for fiber communications, reconfigurable 3-D micro optoelectronic (OE) systems, and so on. 3D-MOSS consists of OE films, in which thin-film high-speed micro-optical switches are embedded. Two critical issues for 3D-MOSS, micro-optical switch and optical z connection, are investigated. The beam propagation method (BPM) calculation shows that waveguide-prism-deflector microoptical switch (WPD-MOS), in which prism-shaped electrodes are formed on an electro-optic slab waveguide, is suitable for the microoptical switch. The finite difference time domain method (FDTD)/BPM coupled simulation demonstrates a possibility of low-loss optical z connection in a 4-m width waveguide-based 3-D micro-optical network. Performance of 3D-MOSS for a 32ϫ32 Banyan network is assessed as follows: system size is 2250 (length)ϫ600 (width)ϫ320 (height) m 3 , operation voltage 110 V, switching speed Ͻ1 s, power consumption 520 mW at a switching rate of 3ϫ10 5 /s, and maximum insertion loss 14 dB. This indicates the viability of 3D-MOSS from viewpoints of channel count, switching speed, thermal management, and power budget. A material/cost-saving device integration process ''photolithographic packaging with selectively occupied repeated transfer (PL-Pack with SORT)'' is briefly described as an example of a fabrication method for 3D-MOSS.

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Self-organizing lightwave network (SOLNET) and its application to film optical circuit substrates

Cited by 30 publications

References 8 publications

Proposal and switching characteristics evaluation for waveguide‐prism‐deflector type micro optical switches (WPD‐MOS)

Proposal and switching characteristics evaluation for waveguide‐prism‐deflector type micro optical switches (WPD‐MOS)

Thin‐Film Molecular Nanophotonics

Three-dimensional micro-optical switching system architecture using slab-waveguide-based micro-optical switches

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