Abstract

A photonic method for multioctave and reconfigurable frequency-stepped radar waveform generation is proposed and experimentally demonstrated based on an optical frequency shifting loop (OFSL). When a rectangular optical pulse is applied to the OFSL, a frequency-stepped optical signal can be generated. Beating the signal with another continuous-wave optical carrier, an electrical frequency-stepped waveform can be obtained. By meticulously adjusting the relations between the time duration of the rectangular optical pulse and the loop delay of the OFSL, the frequency-hopping rate (or the frequency-hopping period) of the generated frequency-stepped signal can be reconfigured. An experiment is carried out. The generation of frequency-stepped signals with frequency intervals of 1 GHz, 3 GHz, 5 GHz, 8 GHz, and 10 GHz is realized. The reconfigurability of the frequency-hopping period is also investigated and different frequency-hopping periods of 189, 10.2, 5.1, and 2.42 ns are achieved.

© 2020 Optical Society of America

Full Article  |  PDF Article
OSA Recommended Articles
Photonic generation of tunable dual-chirp microwave waveforms using a dual-beam optically injected semiconductor laser

Pei Zhou, Hao Chen, Nianqiang Li, Renheng Zhang, and Shilong Pan
Opt. Lett. 45(6) 1342-1345 (2020)

Photonic approach for the generation of switchable down-, up-, and dual-chirped linear frequency-modulated microwave signals

Peng Li, Lianshan Yan, Jia Ye, Xiha Zou, Bin Luo, and Wei Pan
Opt. Lett. 45(7) 1990-1993 (2020)

Real-time measurement of complex fast signals by bandwidth compression in frequency shifting loops

Côme Schnébelin, Luis Romero Cortés, José Azaña, and Hugues Guillet de Chatellus
Opt. Lett. 45(6) 1387-1390 (2020)

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Figures (6)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Equations (4)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Metrics

You do not have subscription access to this journal. Article level metrics are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription