A novel 2 × 2 multi-arm type of optical switch using multimode interference couplers

Kenichi Masuda; Atsushi Tate; Hiroyuki Tsuda

doi:10.1587/elex.3.191

A novel 2 × 2 multi-arm type of optical switch using multimode interference couplers

Kenichi Masuda, Atsushi Tate, Hiroyuki Tsuda

Department of Electronics and Electrical Engineering

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

3 Citations (Scopus)

Abstract

We have proposed a novel 2 × 2 optical switch using multimode interference (MMI) coupler. This switch comprises four arms, located between two MMI couplers, and works by controlling a phase shifter, situated in each arm. Compared with conventional Mach-Zehnder type of optical switches, BPM simulation of this device predicted a high tolerance to fabrication errors. We fabricated the device with silica waveguides, and confirmed that it functioned with an insertion loss of 4.1 dB and an extinction ratio of about 20dB.

Original language	English
Pages (from-to)	191-196
Number of pages	6
Journal	IEICE Electronics Express
Volume	3
Issue number	9
DOIs	https://doi.org/10.1587/elex.3.191
Publication status	Published - 2006 May 10

Keywords

Mach-Zehnder
Multi-arm
Multimode interference coupler
Optical switch

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1587/elex.3.191

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N2 - We have proposed a novel 2 × 2 optical switch using multimode interference (MMI) coupler. This switch comprises four arms, located between two MMI couplers, and works by controlling a phase shifter, situated in each arm. Compared with conventional Mach-Zehnder type of optical switches, BPM simulation of this device predicted a high tolerance to fabrication errors. We fabricated the device with silica waveguides, and confirmed that it functioned with an insertion loss of 4.1 dB and an extinction ratio of about 20dB.

AB - We have proposed a novel 2 × 2 optical switch using multimode interference (MMI) coupler. This switch comprises four arms, located between two MMI couplers, and works by controlling a phase shifter, situated in each arm. Compared with conventional Mach-Zehnder type of optical switches, BPM simulation of this device predicted a high tolerance to fabrication errors. We fabricated the device with silica waveguides, and confirmed that it functioned with an insertion loss of 4.1 dB and an extinction ratio of about 20dB.

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A novel 2 × 2 multi-arm type of optical switch using multimode interference couplers

Abstract

Keywords

ASJC Scopus subject areas

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