Widely tunable grating cavity lasers

被引：8
|
作者：
Kwon, Oh-Kee [1 ]
Sim, Eundeok
Kim, Kang-Ho
Kim, Jong-Hoi
Yun, Ho-Gyeong
Kwon, O. Kyun
Oh, Kwang Ryong
机构：
[1] ETRI, IT Convergence & Components Lab, Taejon, South Korea
[2] Korea Photon Technol Inst, Dept LED SSL, Kwangju, South Korea
来源：
ETRI JOURNAL | 2006年 / 28卷 / 05期
关键词：
tunable lasers; multi-channel lasers; grating cavity lasers; beam deflection; monolithic integration;
D O I：
10.4218/etrij.06.0106.0030
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A widely tunable multi-channel grating cavity laser is proposed and experimentally demonstrated. The device is implemented in Littman configuration with an echelle grating based on Rowland circle construction and realized by monolithically integrating all elements in an InP substrate. Lasing wavelength is selected by turning on an amplifier and the appropriate channel element in the array, and it is tuned by controlling light deflection electrically. The 6-channel device exhibits a tuning range of about 50 nm with a side mode suppression ratio of more than 30 dB. This is accomplished by adjusting the applied current of the dispersive element and phase control section.
引用
收藏
页码：545 / 554
页数：10
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