Direct intensity modulation of a rectangular ring laser with bidirectional lasing characteristics

被引：0

作者：

Kim, Doo Gun ^{[2
]}

Oh, Geum-Yoon ^{[1
]}

Lee, Tae-Kyeong ^{[1
]}

Kim, Seon Hoon ^{[2
]}

Ki, Hyun Chul ^{[2
]}

Lim, Jung Woon ^{[2
]}

Kim, Hwe Jong ^{[2
]}

Kim, Boo-Gyoun ^{[3
]}

Dagli, Nadir ^{[4
]}

Choi, Young-Wan ^{[1
]}

机构：

[1] Chung Ang Univ, Sch Elect & Elect Engn, Seoul 156756, South Korea

[2] Korea Photon Technol Inst, Photon Fus Syst Res Ctr, Kwangju 500460, South Korea

[3] Soongsil Univ, Sch Elect Engn, Seoul 156743, South Korea

[4] Univ Calif Santa Barbara, Dept Elect & Comp Engn, Santa Barbara, CA 93160 USA

来源：

OPTICS COMMUNICATIONS | 2011年 / 284卷 / 19期

关键词：

Rectangular laser; Ring laser; Bidirectional laser; Direct modulation; LOW-POWER; BISTABILITY; COUPLERS; RESONATOR; OPERATION; MIRRORS; MEMORY;

D O I：

10.1016/j.optcom.2011.05.049

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The direct intensity modulation of a three-guide coupled rectangular ring laser having bidirectional lasing characteristics is reported for the first time. The rectangular laser cavity consists of four low loss total internal reflection mirrors and an output coupler made out of three passive coupled waveguides. The laser is fabricated using a total cavity length of 580 mu m with active section lengths of 250 mu m. For both the clockwise and counterclockwise circulating directions, a lasing threshold of around 38 mA is obtained at room temperature under continuous wave operation. A maximum 3-dB modulation bandwidth of approximately 3.2 GHz is observed in both circulating directions. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：4473 / 4476

页数：4

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