NOVEL TUNABLE SEMICONDUCTOR-LASERS USING CONTINUOUSLY CHIRPED DISTRIBUTED-FEEDBACK GRATINGS WITH ULTRAHIGH SPATIAL PRECISION

被引：10

作者：

HILLMER, H ^{[1
]}

ZHU, HL ^{[1
]}

GRABMAIER, A ^{[1
]}

HANSMANN, S ^{[1
]}

BURKHARD, H ^{[1
]}

MAGARI, K ^{[1
]}

机构：

[1] NIPPON TELEGRAPH & TEL PUBL CORP, OPT ELECTR LABS, ATSUGI, KANAGAWA 24301, JAPAN

来源：

APPLIED PHYSICS LETTERS | 1994年 / 65卷 / 17期

关键词：

D O I：

10.1063/1.112812

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We present experimental and theoretical results obtained from a new type of tunable two- and three-section semiconductor distributed feedback (DFB) laser using tailored chirped DFB gratings. The chirped gratings are defined by bent waveguides on homogeneous grating fields with ultrahigh spatial precision using bent waveguides. Arbitrary and continuous chirping functions can be obtained by appropriate mathematical bending functions. Our method is applied for tunable lasers with optimized bending shapes revealing a considerably enlarged wavelength tuning range of 5.5 nm without wavelength gaps. (C) 1994 American Institure of Physics.

引用

页码：2130 / 2132

页数：3

共 25 条

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