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

Yuta Ueda | Zendy; Takeshi Fujisawa | Zendy; Kiyoto Takahata | Zendy; M. Kohtoku | Zendy; Hiroyuki Ishii | Zendy

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

Author(s) -

Yuta Ueda,

Takeshi Fujisawa,

Kiyoto Takahata,

M. Kohtoku,

Hiroyuki Ishii

Publication year - 2014

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.22.007844

Subject(s) - multiplexer , optics , materials science , transversal (combinatorics) , interference (communication) , wavelength , filter (signal processing) , optoelectronics , ethernet , optical filter , multiplexing , fabrication , wavelength division multiplexing , physics , computer science , telecommunications , electrical engineering , engineering , medicine , mathematical analysis , channel (broadcasting) , computer network , mathematics , alternative medicine , pathology

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.

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