Rapid photolithographic fabrication of high density optical interconnects using refractive index contrast polymers

We have developed new polymer optical interconnect materials that we term refractive index contrast (RIC) polymers that are ideally suited to a wide variety of photonic interconnect applications as the refractive index can be tuned over the range of n = 1.42 to 1.56, while index contrast Δn can be p...

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Veröffentlicht in:Optical materials express 2022-05, Vol.12 (5), p.1932
Hauptverfasser: Frish, Julie I., Kleine, Tristan S., Himmelhuber, Roland, Showghi, Sasaan, Nishant, Abhinav, Kim, Kyung-Jo, Jiang, Linan, Martin, Kaitlyn P., Brusberg, Lars, Pau, Stanley, Koch, Thomas L., Pyun, Jeffrey, Norwood, Robert A.
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container_issue 5
container_start_page 1932
container_title Optical materials express
container_volume 12
creator Frish, Julie I.
Kleine, Tristan S.
Himmelhuber, Roland
Showghi, Sasaan
Nishant, Abhinav
Kim, Kyung-Jo
Jiang, Linan
Martin, Kaitlyn P.
Brusberg, Lars
Pau, Stanley
Koch, Thomas L.
Pyun, Jeffrey
Norwood, Robert A.
description We have developed new polymer optical interconnect materials that we term refractive index contrast (RIC) polymers that are ideally suited to a wide variety of photonic interconnect applications as the refractive index can be tuned over the range of n = 1.42 to 1.56, while index contrast Δn can be precisely tuned through composition and ultraviolet exposure; the waveguides can be directly patterned in dry films with no wet or dry etching processes required. RIC polymer interconnects thus have the ability to access numerous photonic platforms, including silicon photonic chips, ion-exchange (IOX) glass optical substrates, and optical fiber arrays. We demonstrate for the first time efficient single-mode polymer interconnect fabrication via a maskless lithography approach that exhibits low loss adiabatic coupling (∼1.5dB at 1550nm) to IOX waveguides through the formation of grayscale tapers.
doi_str_mv 10.1364/OME.454195
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subjects Glass substrates
Ion exchange
Optical fibers
Optical interconnects
Photolithography
Photonics
Polymers
Refractivity
Waveguides
title Rapid photolithographic fabrication of high density optical interconnects using refractive index contrast polymers
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