All-Optical Generation and Switching of Few-Cycle Millimeter-Wave Pulses

We conducted a comparative study of two schemes of photonic generation and switching of few-cycle sub-THz or millimeter wave (MMW) pulses by use of a photonic-transmitter-mixer (PTM) module with a broadband and high-power near-ballistic uni-traveling carrier photodiode (NBUTC-PD). In the first schem...

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Published inJournal of infrared, millimeter and terahertz waves Vol. 35; no. 10; pp. 813 - 822
Main Authors Lin, Jim-Wein, Wun, Jhih-Min, Shi, Jin-Wei, Pan, Ci-Ling
Format Journal Article
LanguageEnglish
Published Boston Springer US 01.10.2014
Springer Nature B.V
Subjects
Bias
Broadband
Classical Electrodynamics
Comparative studies
Electrical Engineering
Electronics and Microelectronics
Engineering
Femtosecond pulses
Instrumentation
Millimeter waves
Modulation
Optical communication
Photodiodes
Photonics
Pulse duration
Short pulses
Signal distortion
Switching
Femtosecond laser
Photonic transmitter
THz
Millimeter wave
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Summary:We conducted a comparative study of two schemes of photonic generation and switching of few-cycle sub-THz or millimeter wave (MMW) pulses by use of a photonic-transmitter-mixer (PTM) module with a broadband and high-power near-ballistic uni-traveling carrier photodiode (NBUTC-PD). In the first scheme, we performed all-optical ultra-fast switching (bias modulation) of the PTM injected with a 93 GHz optical local-oscillator signal. Sub-2-cycle short MMW pulses with central frequency at 93 GHz were generated. To compare, in scheme 2, we employed femtosecond optical short pulses to directly excite the PTM under a DC bias (optical modulation). The former approach is shown to be capable of providing much less signal distortion and much shorter pulse duration than the latter.
ISSN:1866-6892
1866-6906
DOI:10.1007/s10762-014-0089-5