Narrow-Linewidth Microwave Generation Using a Self-Injected DBR Laser Diode

A novel technique for generating narrow-linewidth microwave or millimeter-wave signals is proposed. In this scheme, a delayed self-injected distributed Bragg reflector laser diode, which is tuned by a low-frequency square-wave voltage, is used to generate two correlated lightwaves simultaneously. Ex...

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Veröffentlicht in:	IEEE photonics technology letters 2009-08, Vol.21 (15), p.1045-1047
Hauptverfasser:	Hong Guang Zhang, Hong Guang Zhang, Ning Hua Zhu, Ning Hua Zhu, Jiang Wei Man, Jiang Wei Man, Jian Hong Ke, Jian Hong Ke, Bang Hong Zhang, Bang Hong Zhang, Wei Han, Wei Han, Wei Chen, Wei Chen, Hai Qing Yuan, Hai Qing Yuan, Xin Wang, Xin Wang, Liang Xie, Liang Xie, Ling Juan Zhao, Ling Juan Zhao, Wei Wang, Wei Wang
Format:	Artikel
Sprache:	eng
Schlagworte:	Bragg reflectors Correlation DBR lasers Delay Diode lasers Diodes Distributed Bragg reflector (DBR) laser diode Distributed Bragg reflectors Distributed feedback devices Electric potential Erbium-doped fiber lasers Laser diodes Laser tuning Masers Microwave generation Microwaves narrow linewidth Optical feedback self-injection Signal generators Voltage
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Beschreibung
Zusammenfassung:	A novel technique for generating narrow-linewidth microwave or millimeter-wave signals is proposed. In this scheme, a delayed self-injected distributed Bragg reflector laser diode, which is tuned by a low-frequency square-wave voltage, is used to generate two correlated lightwaves simultaneously. Experiments show that the 10-dB linewidth of generated microwave signals is reduced from 147 MHz to 68 kHz utilizing the proposed self-injection technique.
ISSN:	1041-1135 1941-0174
DOI:	10.1109/LPT.2009.2022176