Intra-cavity loss modulation for ultrahigh-speed direct modulation lasers based on photon-photon resonance

被引：11
|
作者：
Mieda, Shigeru [1 ]
Shiratori, Satoshi [1 ]
Yokota, Nobuhide [1 ]
Kobayashi, Wataru [2 ]
Yasaka, Hiroshi [1 ]
机构：
[1] Tohoku Univ, Elect Commun Res Inst, Sendai, Miyagi 9808577, Japan
[2] NTT Corp, NTT Photon Labs, Atsugi, Kanagawa 2430198, Japan
来源：
APPLIED PHYSICS EXPRESS | 2015年 / 8卷 / 08期
关键词：
SEMICONDUCTOR-LASERS; PASSIVE FEEDBACK; BANDWIDTH; OPERATION; CAVITY;
D O I：
10.7567/APEX.8.082701
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The characteristics of the intra-cavity loss modulation laser diode (ICLM-LD) proposed in this paper were numerically and experimentally evaluated. A lower modulation sensitivity degradation rate (MSDR) of -0.30 dB/GHz and a wider 3 dB bandwidth of 49 GHz compared to those of direct modulation lasers (-0.49 dB/Hz, 16 GHz) were numerically confirmed. In addition, an MSDR of -0.29 dB/GHz and a 3 dB bandwidth wider than 30 GHz were experimentally confirmed using the fabricated ICLM-LD. The ICLM-LD will thus become a key part of ultrahigh-speed direct modulation lasers with external cavities whose modulation sensitivity is enhanced by the photon-photon resonance effect. (C) 2015 The Japan Society of Applied Physics
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页数：3
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