Automated, high-throughput photonic packaging

Barwicz, Tymon; Lichoulas, Ted W.; Taira, Yoichi; Martin, Yves; Takenobu, Shotaro; Janta-Polczynski, Alexander; Numata, Hidetoshi; Kimbrell, Eddie L.; Nah, Jae-Woong; Peng, Bo; Childers, Darrell; Leidy, Robert; Khater, Marwan; Kamlapurkar, Swetha; Cyr, Elaine; Engelmann, Sebastian; Fortier, Paul; Boyer, Nicolas

doi:10.1016/j.yofte.2018.02.019

Cited by 41 publications

(21 citation statements)

References 35 publications

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“…Thus, for the in-line hybrid waveguide, the pursuit of substantial reductions in switching time is now less urgent than optimizing the size, shape and volume of the VO 2 structure, as well as addressing the thermal management of the chip at high pump rates. Implementation of extant on-chip, in-plane optical pumping designs [35,36] and investigation of alternate optical-switching geometries such as resonant and interferometric configurations offer significant opportunities to make further progress toward practical implementation of a hybrid VO 2 :Si all-optical switch.…”

Section: Discussionmentioning

confidence: 99%

Sub‐Picosecond Response Time of a Hybrid VO₂:Silicon Waveguide at 1550 nm

Hallman

Miller

Baydin

et al. 2020

Advanced Optical Materials

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Hybrid material systems are a promising approach for extending the capabilities of silicon photonics. Given the weak electro‐optic and thermo‐optic effects in silicon, there is intense interest in integrating an ultrafast‐switching phase‐change material with a large refractive index contrast into the waveguide, such as vanadium dioxide (VO2). It is well established that the phase transition in VO2 thin films can be triggered by ultrafast, 800 nm laser pulses, and that pump‐laser fluence is a critical determinant of the recovery time of thin films irradiated by femtosecond pulses. However, thin‐film experiments are not reliable guides to a VO2:Si system for all‐optical, on‐chip switching because of the differences in VO2 optical constants in the telecommunication band, and the complex sample geometry and alignment issues in a waveguide geometry. This paper reports the first demonstration that the reversible, ultrafast photoinduced phase transition in VO2 can achieve sub‐picosecond response when small VO2 volumes are integrated into a silicon waveguide as the active element. The result suggests that VO2 can be pursued as a strong candidate for waveguide switching with sub‐picosecond on‐off times.

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Section: Discussionmentioning

confidence: 99%

Sub‐Picosecond Response Time of a Hybrid VO₂:Silicon Waveguide at 1550 nm

Hallman

Miller

Baydin

et al. 2020

Advanced Optical Materials

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show abstract

“…According to this basic and widely agreed principle of minimizing capital expenditures, earlier work that employs specialized fibers, dispersiontailored components or other fiber-optic bulk components [13,[21][22][23][24]43] will likely be associated to higher cost when compared with concepts that leverage photonic integrated circuit (PIC) technology that augments the opto-electronic RRH transceiver front-end with optically-enabled RF beamforming functions [12,14,[33][34][35][36][37][38][39][40][41]. Towards this second direction, the largest cost contribution of PIC-based solutions derives from assembly and packaging [47]. It is therefore essential to reduce the number of fiber ports and electrical pins.…”

Section: State-of-the-art In True-time Delays and Photonic-assisted Rf Beamformersmentioning

confidence: 99%

Analog Coherent-Optical Mobile Fronthaul With Integrated Photonic Beamforming

Milovančev

Vokić

Löschenbrand

et al. 2021

IEEE J. Select. Areas Commun.

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We present a mobile fronthaul methodology for the analogue optical transmission of native radio signals with integrated photonic true-time delay for the beam steering of phased-array antennas. Laser-based coherent homodyne detectors and the delay dissemination through ultra-dense wavelength division multiplexing ensure a low complexity at the optical layer. We experimentally demonstrate beamsteering for a linear phased-array antenna with a 1×3 configuration at 3.5 GHz carrier frequency and prove native radio signal transmission over the 14.3-km reach coherent optical fronthaul at a low endto-end error vector magnitude of 3.3%. Experimental results are found to stand in good agreement with theoretical predictions.

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“…Mechanical flexibility allows flexible links to move and change shape to maximize the coupling efficiency, thereby relaxing the alignment tolerances. An example of a low-cost, high-volume approach based on flexible links consists of using lithographically defined alignment features that guide flexible waveguide ribbons into place …”

Section: Applicationsmentioning

confidence: 99%

“…An example of a lowcost, high-volume approach based on flexible links consists of using lithographically defined alignment features that guide flexible waveguide ribbons into place. 171 Photonic Tuning and Strain Sensing. Controlled mechanical deformation furnishes a uniquely advantageous approach for tuning photonic structures, as the large strain attainable in flexible photonic structures (in some cases exceeding 100%) enables extreme broadband tuning or reconfiguration between two drastically different optical states.…”

Section: ■ Applicationsmentioning

confidence: 99%

Flexible and Stretchable Photonics: The Next Stretch of Opportunities

et al. 2020

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Conventional electronic and photonic devices are inherently 2D and rigid because of the substrates on which they are fabricated. However, the world is not flat and stiff: There are many applications that would benefit from soft devices and nonplanar geometries, such as interfacing with the soft, curvilinear, and dynamic surfaces of living organisms. This mismatch demands flexible and stretchable devices that can be mechanically deformed (bent, folded, twisted, stretched, or compressed) without damage to their useful properties. Here we furnish an overview of state-ofthe-art material, design, processing, and device technologies underlying the rapidly evolving area of flexible and stretchable photonics. We further offer our perspective on the key enabling technologies that will define new growth opportunities in this field as emerging applications of flexible and stretchable photonics continue to unfold.

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Automated, high-throughput photonic packaging

Cited by 41 publications

References 35 publications

Sub‐Picosecond Response Time of a Hybrid VO₂:Silicon Waveguide at 1550 nm

Sub‐Picosecond Response Time of a Hybrid VO₂:Silicon Waveguide at 1550 nm

Analog Coherent-Optical Mobile Fronthaul With Integrated Photonic Beamforming

Flexible and Stretchable Photonics: The Next Stretch of Opportunities

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Automated, high-throughput photonic packaging

Cited by 41 publications

References 35 publications

Sub‐Picosecond Response Time of a Hybrid VO2:Silicon Waveguide at 1550 nm

Sub‐Picosecond Response Time of a Hybrid VO2:Silicon Waveguide at 1550 nm

Analog Coherent-Optical Mobile Fronthaul With Integrated Photonic Beamforming

Flexible and Stretchable Photonics: The Next Stretch of Opportunities

Contact Info

Product

Resources

About

Sub‐Picosecond Response Time of a Hybrid VO₂:Silicon Waveguide at 1550 nm

Sub‐Picosecond Response Time of a Hybrid VO₂:Silicon Waveguide at 1550 nm