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Filters
Wideband continuously tunable integrated delay line based on cascaded Mach-Zehnder
2018
2018 Photonics in Switching and Computing (PSC)
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We demonstrate that the delay line based on two cascaded Mach-Zehnder interferometer has the consistently larger bandwidth and bandwidth-delay product compared to a single stage. ...
A novel architecture based on cascaded Mach-Zehnder interferometer and equipped with tunable couplers is proposed for the realization of the tunable integrated optical delay line. ...
Fig. 4 . 4 Photograph of realized Mach-Zehnder based delay line with two tunable couplers. ...
doi:10.1109/ps.2018.8751342
dblp:conf/ps/WaqasMM18
fatcat:2pkw6nnvrzhpbblc3qb7ytm54a
Integrated Microwave Photonics for Wideband Signal Processing
2017
Photonics
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New developments in integration-based microwave photonic techniques, that have high potentialities to be used in a variety of sensing applications for enhanced resolution and speed are also presented. ...
, and cascaded photonic signal processing for analog radio frequency (RF) photonic links. ...
Optical delay lines can also be realized via adopting a series of Mach Zehnder Interferometer (MZI) or microring resonator-based optical switches, thus generating a tunable time delay controlled by the ...
doi:10.3390/photonics4040046
fatcat:3wax6z5a2jclxm7vnfybzg7oxe
Tunable Multiband Microwave Photonic Filters
2017
Photonics
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to promising developments of tunable microwave photonic multiband filters. ...
Single passband microwave photonic filters can be implemented using various techniques, including chip-based stimulated Brillouin scattering [10, 11] , optical comb based filter [12] [13] [14] , and programmable ...
BBS: broadband optical source; MZM: Mach-Zehnder modulator; PD: photodiode; PC(1,2): polarization controller; ODL: variable optical delay line. ...
doi:10.3390/photonics4040045
fatcat:nihctid6ujdbvooamcnhrsa4qa
Widely tunable single-bandpass microwave photonic filter employing a non-sliced broadband optical source
2011
Optics Express
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We demonstrate a novel microwave photonic filter based on a non-coherent broadband optical source and the variable optical carrier time shift (VOCTS) method. ...
Single bandpass is also achieved due to the continuous-time sinusoidal impulse response. Detailed theoretical analyses are presented and agree with the experiments quite well. ...
The bandpass center was tuned from 2 GHz to 18 GHz with a 2-GHz step, by changing the time delay in the lower arm of the Mache-Zehnder
Acknowledgments This work is supported in part by the 973 Project ...
doi:10.1364/oe.19.018423
pmid:21935210
fatcat:qx7o7v3plbex7bq6psodhlk75e
Error-free 1,001-hop Cascaded Operation of an Optical-label Switching Router with Optical 3R Regeneration
2006
2006 European Conference on Optical Communications
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based Mach-Zehnder interferometer wavelength converter; FWC: fixed-wavelength converter; OBPF: optical bandpass filter.
. 2. ...
(a) parallel bit-error rate tester (Agilent 81250); SCM-TX: sub-carrier multiplexing transmitter; LE: label extractor; LRX: label receiver; ODL: optical delay line; VODL: variable optical delay line ...
doi:10.1109/ecoc.2006.4801124
fatcat:flflja3qnngdbg45fxg6uckunu
Photonics-based multi-function analog signal processor based on a polarization division multiplexing Mach–Zehnder modulator
2017
Optics Letters
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A photonics-based multi-function analog signal processor based on an optical polarization division multiplexing dualparallel Mach-Zehnder modulator is proposed and demonstrated, which can implement simultaneously ...
photonic microwave phase shifting, upconversion/downconversion and filtering with excellent tunability. ...
In [8, 9] , photonic-based phase-shifted and frequency-mixed microwave signal processors are reported based on a dual-drive Mach-Zehnder modulator (DMZM). ...
doi:10.1364/ol.42.005034
pmid:29216173
fatcat:fv44qmsabne5fha65r3ezvln7a
A high-speed tunable beam splitter for feed-forward photonic quantum information processing
2011
Optics Express
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Two electro-optical modulators act in a Mach-Zehnder interferometer as high-speed phase shifters and rapidly tune its splitting ratio. ...
We demonstrate tunable feed-forward operations of a single-qubit gate of path-encoded qubits and a two-qubit gate via measurement-induced interaction between two photons. ...
In classical photonics, although fast optical modulators based on electro-optical materials embedded in Mach-Zehnder interferometers (MZI) are already at an advanced stage [21] , the polarization preference ...
doi:10.1364/oe.19.022723
pmid:22109153
fatcat:dp4i7vpw4jajbau6iqcsc46dou
Single-chip optical beam forming network in LPCVD waveguide technology based on optical ring resonators
2006
2006 International Topical Meeting on Microwave Photonics
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Optical ring resonators (ORRs) can be used as continuously tunable delay elements in a beam forming network for a phased-array antenna system. ...
Index Terms -Delay filters, LPCVD waveguide technology, microwave photonics, optical beam forming, optical ring resonators, optical signal processing. ...
ACKNOWLEDGEMENTS This work was part of the Broadband Photonic Beamformer project and the IO-BFN project, both supported by the Dutch Ministry of Economic Affairs, SenterNovem project number IS052081 and ...
doi:10.1109/mwp.2006.346543
fatcat:fthlkgb7jzfjnozlnstwmebbsi
Advanced RF and microwave functions based on an integrated optical frequency comb source
2018
Optics Express
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2018 pre-print arXiv:1802.00057v1 fatcat:44p5iv6yqvd2xjfnuibueelepa
We achieve extremely high performance for an optical true time delay aimed at tunable phased array antenna applications, as well as reconfigurable microwave photonic filters. ...
We show that our true time delay would yield a phased array antenna with features that include high angular resolution and a wide range of beam steering angles, while the microwave photonic filters feature ...
Fig. 1 . 1 Schematic diagram of the RF true time delay lines based on an integrated optical comb source. MRR: micro-ring resonator. MZM: Mach-Zehnder modulator. ...
doi:10.1364/oe.26.002569
pmid:29401795
fatcat:tbfofnbstnfsbpsorbnhayhjae
Programmable optical processor chips: toward photonic RF filters with DSP-level flexibility and MHz-band selectivity
2017
Nanophotonics
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This is a key technology for photonic-assisted RF front ends that opens a path to overcoming the bandwidth limitation of current digital electronics. ...
As a promising application, such processors enables photonic implementations of reconfigurable radio frequency (RF) filters with wide design flexibility, large bandwidth, and high-frequency selectivity ...
Essentials of optical signal processors
Tunable delay lines Tunable delay lines play a key role in the implementation of optical signal processors. ...
doi:10.1515/nanoph-2017-0077
fatcat:aixruyxo2jfijathxabs3tgpcm
Versatile silicon microwave photonic spectral shaper
2021
APL Photonics
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Instead, a tunable optical delay line is required. Finally, RF metrics are important aspects of microwave photonics. ...
Present implementation with the tunable phase shifter and MZI-based tunable coupler leads to limited bandwidth and interrelated phase and amplitude tuning. ...
doi:10.1063/5.0033516
fatcat:k2ebrvkhpbf6znutcqo4u7rqca
Novel Widely Tunable Monolithically Integrated Laser Source
2015
IEEE Photonics Journal
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The laser has been fabricated in a multi-project wafer run on an indium phosphide-based generic photonic foundry platform and demonstrates the potential of these technology platforms. ...
The tuning is achieved by three intracavity Mach-Zehnder interferometers, realized in passive waveguides and using voltage-controlled electro-optic phase modulators requiring only four control voltages ...
Two generations of AMZI based tunable lasers have been designed and realized in Multi-Project Wafer (MPW) runs in the indium phosphide (InP) based generic photonic integration technology platform developed ...
doi:10.1109/jphot.2015.2493722
fatcat:kitumgez5zaolbccufv2goxh5e
Theoretical analysis and modeling of a photonic integrated circuit for frequency 8-tupled and 24-tupled millimeter wave signal generation
2014
Optics Letters
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ID XXXXX); published Month X, XXXX A photonic circuit design for implementing frequency 8-tupling and 24-tupling is proposed. ...
Theoretical analysis and modeling of a photonic integrated circuit for frequency 8-tupled and 24-tupled millimeter wave signal generation. ...
Similar designs based on nested MZMs [7] , dual-parallel MZMs in combination with notch filters [8] , cascaded MZMs with a tunable optical delay line between the modulators [9] , or fourparallel phase ...
doi:10.1364/ol.39.006950
pmid:25503038
fatcat:nc3qlp2hbzhytnjmwl263ikgwm
New opportunities for integrated microwave photonics
[article]
2018
arXiv
pre-print
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chip and has ushered the creation of a complex signal processor with multi-functionality and reconfigurability similar to their electronic counterparts. ...
Recent advances in photonic integration have propelled microwave photonic technologies to new heights. ...
Microresonator-based frequency combs have emerged as a powerful tool as the multi-wavelength source for tappeddelay lines signal processing [70, 71] . ...
arXiv:1810.02585v1
fatcat:neuqiiu4mvechkcskdhajvbvxy
Photonics-Based Microwave Image-Reject Mixer
2018
Photonics
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Developmental trends of the photonics-based microwave IRM are also discussed. ...
Applications of photonics-based microwave IRM in electronic warfare, radar systems and satellite payloads are described. ...
multiplexing Mach-Zehnder modulator [24] . ...
doi:10.3390/photonics5020006
fatcat:j4unkt63v5b27ozhtu3lmhfynm
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