Liquid crystal mirror-based wavelength-tunable laser module with asynchronous mode cavity

被引：8
|
作者：
Mizutani, K [1 ]
De Merlier, J [1 ]
Sudo, S [1 ]
Sato, K [1 ]
Kudo, K [1 ]
机构：
[1] NEC Corp Ltd, Syst Devices Res Labs, Shiga 5200833, Japan
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2006年 / 18卷 / 9-12期
关键词：
external cavity; ITU grid; semiconductor lasers; tunable lasers; wavelength control; wavelength locker;
D O I：
10.1109/LPT.2006.876750
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：
We investigated experimentally the impact of the cavity spacing on the lasing mode stability of the external cavity wavelength-tunable laser (ECTL) with Fabry-Wrot etalon and liquid-crystal-based wavelength-tunable mirror. In the asynchronous mode cavity ECTL, the etalon assists in the suppression of the cavity modes at the neighboring transmission peaks of the lasing wavelength due to the misalignment to the etalon's peak. Therefore, the ECTL with asynchronous mode cavity shows highly mode stable lasing operation. The fabricated ECTL module with optimized asynchronous mode cavity shows excellent lasing property of sidemode suppression ratio more than 59 dB and output power of over 14 dBm for a 45-nm tuning range.
引用
收藏
页码：1299 / 1301
页数：3
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