CW injection locking of a mode-locked semiconductor laser as a local oscillator comb for channelizing broad-band RF signals

被引:25
作者
Jung, T [1 ]
Shen, JL
Tong, DTK
Murthy, S
Wu, MC
Tanbun-Ek, T
Wang, WS
Lodenkamper, R
Davis, R
Lembo, LJ
Brock, JC
机构
[1] Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90095 USA
[2] TRW Co Inc, Photon Technol Dept, Redondo Beach, CA 90278 USA
[3] Chung Yuan Christian Univ, Dept Phys, Chungli, Taiwan
[4] Lucent Technol, Bell Labs, Holmdel, NJ 07733 USA
[5] Multiplex Inc, S Plainfield, NJ 07080 USA
关键词
dense wavelength division multiplexing; external cavity lasers; injection locking; microwave photonics; mode-locked semiconductor lasers; optical channelizer; optical frequency comb generation; RF photonics; semiconductor lasers;
D O I
10.1109/22.775461
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
CW injection locking of mode-locked semiconductor lasers has been experimentally demonstrated. The phases of the mode-locked frequency comb are shown to be coherent with that of the master CW laser. The pulsewidth of the mode-locked laser remains almost unchanged (<2 ps) for a broad range of injection power (-28 to -12 dBm), Pulling of the entire mode-locked frequency comb by 400 MHz has been demonstrated. The coherent multifrequency source can be used as a local oscillator comb for coherent optical channelizers for ultrawide-band RF signals.
引用
收藏
页码:1225 / 1233
页数:9
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