InP-based compact transversal filter for monolithically integrated light source array

Yuta Ueda; Takeshi Fujisawa; Kiyoto Takahata; Masaki Kohtoku; Hiroyuki Ishii

doi:10.1364/OE.22.007844

InP-based compact transversal filter for monolithically integrated light source array

Yuta Ueda, Takeshi Fujisawa, Kiyoto Takahata, Masaki Kohtoku, Hiroyuki Ishii

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

23 Citations (Scopus)

Abstract

We developed an InP-based 4x1 transversal filter (TF) with multi-mode interference couplers (MMIs) as a compact wavelength multiplexer (MUX) 1700 μm x 400 μm in size. Furthermore, we converted the MMI-based TF to a reflection type to obtain an ultra-compact MUX of only 900 μm x 50 μm. These MUXs are made with a simple fabrication process and show a satisfactory wavelength filtering operation as MUXs of monolithically integrated light source arrays, for example, for 100G bit Ethernet.

Original language	English
Pages (from-to)	7844-7851
Number of pages	8
Journal	Optics Express
Volume	22
Issue number	7
DOIs	https://doi.org/10.1364/OE.22.007844
Publication status	Published - 2014
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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InP-based compact transversal filter for monolithically integrated light source array

Abstract

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