Microwave frequency division and multiplication using an optically injected semiconductor laser

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

59 Scopus Citations
View graph of relations



Original languageEnglish
Pages (from-to)1142-1147
Journal / PublicationIEEE Journal of Quantum Electronics
Issue number9
Publication statusPublished - Sept 2005
Externally publishedYes


Nonlinear dynamics of semiconductor lasers is applied for microwave frequency division. Optical injection is used to drive a slave laser into the dynamical period-two state. A fundamental microwave frequency and its subharmonic are generated in the power spectrum. Both frequencies will be simultaneously locked when an external microwave near either frequency is applied on the bias. In our experiment, precise microwave frequency division is demonstrated by modulating the laser at the fundamental of 18.56 GHz. A locked subharmonic at 9.28 GHz with a low phase variance of 0.007 rad2 is obtained from a 10-dBm input. A large locking range of 0.61 GHz is measured under a 4-dBm modulation. Similarly, precise frequency multiplication is demonstrated by modulating at 9.65 GHz. At an input power of -5 dBm, a multiplied signal at 19.30 GHz is obtained with a phase variance of 0.027 rad2 and a locking range of 0.22 GHz. © 2005 IEEE.

Research Area(s)

  • Frequency conversion, Injection-locked oscillators, Microwave, Nonlinear dynamics, Optical injection, Semiconductor lasers