[1] [1] G. A. Acket, D. Lenstra, A. J. den Boef et al.. The influence of feedback intensity on longitudinal mode properties and optical noise index-guided semiconductor lasers [J]. IEEE J. Quantum Electron., 1984, QE-20(10):1163~1169

[6] [6] Jianhong Ge, Jun Chen, A. Hermerschmidt et al.. Achieving single-lobed far-field patterns of broad area laser diode with external cavity feedback [J]. Chin. Opt. Lett., 2003, 1(6):334～336

[7] [7] Ge Jianhong, A. Hermerschmidt, Chen Jun et al.. Beam quality improvement of broad area laser diode with external cavity feedback [C]. SPIE, 2002, 4913:126～130

[8] [8] H. Kakiuchida, J. Ohtsubo. Characteristics of a semiconductor laser with external feedback [J]. IEEE J. Quantum Electron., 1994, 30(9):2087～2097

[9] [9] R. Lang, K. Kobayashi. External optical feedback effects on semiconductor injection laser properties [J]. IEEE J. Quantum Electron., 1980, QE-16(3):347～355

[10] [10] J. H. Osmundsen, N. Gade. Influence of optical feedback on laser frequency spectrum and threshold conditions [J]. IEEE J. Quantum Electron., 1983, QE-19(3):465～469

[11] [11] S. Sivaprakasam, R. Singh. Gain change and threshold reduction of diode laser by injection locking [J]. Opt. Commun., 1998, 151:253～256