Widely wavelength-tunable DFB laser array integrated with funnel combiner

Hiroyuki Ishii; Kazuo Kasaya; Hiromi Oohashi; Yasuo Shibata; Hiroshi Yasaka; Katsunari Okamoto

doi:10.1109/JSTQE.2007.903594

Widely wavelength-tunable DFB laser array integrated with funnel combiner

Hiroyuki Ishii, Kazuo Kasaya, Hiromi Oohashi, Yasuo Shibata, Hiroshi Yasaka, Katsunari Okamoto

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

71 Citations (Scopus)

Abstract

A wavelength-tunable distributed feedback (DFB) laser array integrated with a funnel combiner is described. Two types of optical combiner, namely a multimode interferometer (MMI) combiner and a funnel combiner, are compared theoretically and experimentally. It is shown that the funnel combiner is superior in terms of wavelength dependence and fabrication tolerance. The laser module covers the full C-band wavelength range (∼38 nm), and a high fiber output power of 40 mW (16 dBm) is obtained with stable single-mode operation.

Original language	English
Pages (from-to)	1089-1094
Number of pages	6
Journal	IEEE Journal on Selected Topics in Quantum Electronics
Volume	13
Issue number	5
DOIs	https://doi.org/10.1109/JSTQE.2007.903594
Publication status	Published - 2007 Sep 1
Externally published	Yes

Keywords

Distributed feedback (DFB) lasers
Optical fiber communications
Optical transmitters
Tunable lasers

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

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title = "Widely wavelength-tunable DFB laser array integrated with funnel combiner",

abstract = "A wavelength-tunable distributed feedback (DFB) laser array integrated with a funnel combiner is described. Two types of optical combiner, namely a multimode interferometer (MMI) combiner and a funnel combiner, are compared theoretically and experimentally. It is shown that the funnel combiner is superior in terms of wavelength dependence and fabrication tolerance. The laser module covers the full C-band wavelength range (∼38 nm), and a high fiber output power of 40 mW (16 dBm) is obtained with stable single-mode operation.",

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year = "2007",

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T1 - Widely wavelength-tunable DFB laser array integrated with funnel combiner

AU - Ishii, Hiroyuki

AU - Kasaya, Kazuo

AU - Oohashi, Hiromi

AU - Shibata, Yasuo

AU - Yasaka, Hiroshi

AU - Okamoto, Katsunari

PY - 2007/9/1

Y1 - 2007/9/1

N2 - A wavelength-tunable distributed feedback (DFB) laser array integrated with a funnel combiner is described. Two types of optical combiner, namely a multimode interferometer (MMI) combiner and a funnel combiner, are compared theoretically and experimentally. It is shown that the funnel combiner is superior in terms of wavelength dependence and fabrication tolerance. The laser module covers the full C-band wavelength range (∼38 nm), and a high fiber output power of 40 mW (16 dBm) is obtained with stable single-mode operation.

AB - A wavelength-tunable distributed feedback (DFB) laser array integrated with a funnel combiner is described. Two types of optical combiner, namely a multimode interferometer (MMI) combiner and a funnel combiner, are compared theoretically and experimentally. It is shown that the funnel combiner is superior in terms of wavelength dependence and fabrication tolerance. The laser module covers the full C-band wavelength range (∼38 nm), and a high fiber output power of 40 mW (16 dBm) is obtained with stable single-mode operation.

KW - Distributed feedback (DFB) lasers

KW - Optical fiber communications

KW - Optical transmitters

KW - Tunable lasers

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