Pluggable Single-Mode Fiber-Array-to-PIC Coupling Using Micro-Lenses

Carmelo Scarcella; Kamil Gradkowski; Lee Carroll; Jun Su Lee; Matthieu Duperron; Daivid Fowler; Peter O'Brien

doi:10.1109/LPT.2017.2757082

Pluggable Single-Mode Fiber-Array-to-PIC Coupling Using Micro-Lenses

Carmelo Scarcella
, Kamil Gradkowski
, Lee Carroll
, Jun Su Lee
, Matthieu Duperron
, Daivid Fowler
, Peter O'Brien

Research output: Contribution to journal › Article › peer-review

Abstract

Single-mode optical coupling between fiber and photonic integrated circuit (PIC) requires precision alignment and bonding, and significantly adds to the cost of photonic packaging. This article describes how a pair of micro-lens arrays - one on the Si-PIC and the other on the fiber-array - can be used to achieve fiber-to-PIC grating-coupling with an insertion-loss of 1.7 dB (i.e., a coupling efficiency of 68%) at 1300 nm, and a 1 dB alignment tolerance of ± 30 μm. Such relaxed tolerances allow for a "pluggable" connector to have a make-break insertion-loss reproducibility of 0.2 dB (one standard deviation).

Original language	English
Article number	8054676
Pages (from-to)	1943-1946
Number of pages	4
Journal	IEEE Photonics Technology Letters
Volume	29
Issue number	22
DOIs	https://doi.org/10.1109/LPT.2017.2757082
Publication status	Published - 15 Nov 2017

Keywords

Gratings
integrated optics devices
micro-optical devices
photonic integrated circuits

Access to Document

10.1109/LPT.2017.2757082

https://hdl.handle.net/10468/6337Licence: CC BY

Cite this

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title = "Pluggable Single-Mode Fiber-Array-to-PIC Coupling Using Micro-Lenses",

abstract = "Single-mode optical coupling between fiber and photonic integrated circuit (PIC) requires precision alignment and bonding, and significantly adds to the cost of photonic packaging. This article describes how a pair of micro-lens arrays - one on the Si-PIC and the other on the fiber-array - can be used to achieve fiber-to-PIC grating-coupling with an insertion-loss of 1.7 dB (i.e., a coupling efficiency of 68\%) at 1300 nm, and a 1 dB alignment tolerance of ± 30 μm. Such relaxed tolerances allow for a {"}pluggable{"} connector to have a make-break insertion-loss reproducibility of 0.2 dB (one standard deviation).",

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AU - Scarcella, Carmelo

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AU - Carroll, Lee

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AU - Duperron, Matthieu

AU - Fowler, Daivid

AU - O'Brien, Peter

PY - 2017/11/15

Y1 - 2017/11/15

N2 - Single-mode optical coupling between fiber and photonic integrated circuit (PIC) requires precision alignment and bonding, and significantly adds to the cost of photonic packaging. This article describes how a pair of micro-lens arrays - one on the Si-PIC and the other on the fiber-array - can be used to achieve fiber-to-PIC grating-coupling with an insertion-loss of 1.7 dB (i.e., a coupling efficiency of 68%) at 1300 nm, and a 1 dB alignment tolerance of ± 30 μm. Such relaxed tolerances allow for a "pluggable" connector to have a make-break insertion-loss reproducibility of 0.2 dB (one standard deviation).

AB - Single-mode optical coupling between fiber and photonic integrated circuit (PIC) requires precision alignment and bonding, and significantly adds to the cost of photonic packaging. This article describes how a pair of micro-lens arrays - one on the Si-PIC and the other on the fiber-array - can be used to achieve fiber-to-PIC grating-coupling with an insertion-loss of 1.7 dB (i.e., a coupling efficiency of 68%) at 1300 nm, and a 1 dB alignment tolerance of ± 30 μm. Such relaxed tolerances allow for a "pluggable" connector to have a make-break insertion-loss reproducibility of 0.2 dB (one standard deviation).

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KW - micro-optical devices

KW - photonic integrated circuits

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Pluggable Single-Mode Fiber-Array-to-PIC Coupling Using Micro-Lenses

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