Filter-embedded four-channel WDM module fabricated from fluorinated polyimide

Kawakami, N.; Kobayashi, Junya; Hikita, Makoto; Ayako, Kudo; Imamura, Saburo

doi:10.1109/jlt.2006.874585

Cited by 8 publications

(3 citation statements)

References 22 publications

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“…The required metasurfaces embedded in polymer with the same refractive index to the waveguide cladding can be fabricated in a similar way. The metasurface-TFEs can be inserted into a well-adapted waveguide slot following the similar technique which is used to integrate classic TFEs into the polymer-based PICs [22,27,28]. The waveguide slot is formed by photolithography and reactive ion etching with precise width and depth to hold the metasurfaces in place.…”

Section: Discussion On Fabrication Feasibilitymentioning

confidence: 99%

“…The polymer waveguides are etched to contain a free-propagating space within the photonic chips. The metasurfaces are vertically inserted into this slot using the available technology for inserting the TFEs, and then fixed using ultraviolet (UV) curable optical adhesive [27,28]. Compared to the classic TFEs and other micro-optic elements, the metasurfaces can manipulate light within a short distance, such as the beam collimation depicted in figure 1(b).…”

Section: Conceptmentioning

confidence: 99%

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Light manipulation in three-dimensional photonic integrated circuits using vertically inserted metasurfaces

Wu¹,

Zhang²

2021

Phys. Scr.

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The hybrid integration of silicon metasurfaces, in forms of insertable thin-film elements, into a multilayer polymer waveguide platform is introduced. Owing to the wavelength comparable thickness and high efficiency of the dielectric metasurfaces, the designed devices can manipulate beams in a relatively short distance with low insertion loss. They can also realize functions critical for three-dimensional (3D) photonic integrated circuits (PICs) that are difficult for conventional micro-optic elements. The designs of several key photonic components are presented in this work as proof-of-concept. Specifically, three applications based on the proposed platform are demonstrated numerically, including on-chip beam collimation, spatial mode (de)multiplexing, and focusing vertical out-coupling. These functionalities can be realized within a short propagating length. This work presents a theoretical study on the design principles and performances of the proposed devices, which can be implemented by adopting the existed technology of inserting classic thin-film elements into photonic chips in the near future. The results suggest a novel and general path for optical signal manipulations within the 3D photonic chips and may prove useful in the design of transceiver devices for optical communication, optical sensor chips, compact chips for optical computation, etc.

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Section: Discussion On Fabrication Feasibilitymentioning

confidence: 99%

Section: Conceptmentioning

confidence: 99%

Light manipulation in three-dimensional photonic integrated circuits using vertically inserted metasurfaces

Wu¹,

Zhang²

2021

Phys. Scr.

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“…There are different types of WDM filters, namely Fibre Bragg Gratings [10]; arrayed-waveguide gratings AWG [11,12]; directional couplers [13], Mach-Zehnder interferometers (MZI) [14], and thin-film filters (TFF) [15]. Thin film filters offer distinct advantages over their different counterparts.…”

Section: Thin-film Filters Inserted In Optical Polymer Waveguidesmentioning

confidence: 99%

Polymer optical motherboard technology

et al. 2008

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In this paper, different hybridly integrated optical devices including optical multiplexer/demultiplexer and optical transceivers are described. The devices were made using polymer planar light wave circuit (P2LC) technology. Laser diodes, photodiodes, and thin-film filters have been integrated. Key issues involved in this technology, in particular the coupling between laser diodes and polymer waveguides, and between waveguides and photodiodes and also fibers are discussed

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Wavelength Filters

Venghaus¹

2017

Springer Series in Optical Sciences

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Filter-embedded four-channel WDM module fabricated from fluorinated polyimide

Cited by 8 publications

References 22 publications

Light manipulation in three-dimensional photonic integrated circuits using vertically inserted metasurfaces

Light manipulation in three-dimensional photonic integrated circuits using vertically inserted metasurfaces

Polymer optical motherboard technology

Wavelength Filters

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