Low-Cost PCB-Integrated 10-Gb/s Optical Transceiver Built With a Novel Integration Method

Bamiedakis, N.; Hashim, A.; Beals, J.; Penty, R.V.; White, I.H.

doi:10.1109/tcpmt.2013.2242961

Cited by 25 publications

(23 citation statements)

References 37 publications

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“…The waveguides are designed to have a large cross section of ∼50 × 50 μm 2 in order to allow sensor assembly with relaxed alignment tolerances and low-cost tools such as pick-and-place machines. 17,18 The fabricated sample measures 30 × 20 mm 2 and has a 10-mm long air-exposed section in order to allow the deposition of the superlattice onto the waveguides. The superlattice layers were deposited onto the waveguide sample using the PLD method discussed above.…”

Section: Europium Rare Earth Ion-based Sensormentioning

confidence: 99%

Glass–polymer superlattice for integrated optics

et al. 2014

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Abstract. Glass and polymer interstacked superlattice like nanolayers were fabricated by nanosecond-pulsed laser deposition with a 193-nm-ultraviolet laser. The individual layer thickness of this highly transparent thin film could be scaled down to 2 nm, proving a near atomic scale deposition of complex multilayered optical and electronic materials. The layers were selectively doped with Er 3þ and Eu 3þ ions, making it optically active and targeted for integrated sensor application.

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Section: Europium Rare Earth Ion-based Sensormentioning

confidence: 99%

Glass–polymer superlattice for integrated optics

et al. 2014

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“…The connectors are fitted into appropriately-positioned through-board slots routing the electrical signals from the board surface to the active devices and enabling end-fired optical coupling into and out of the polymer waveguides. The design and manufacturing of these types of connectors are described in greater detail in [9]. The connectors used in this work are customised for the 1x4 VCSEL and PD arrays and carry compatible pads to mount the VCSEL and PD dies and 180 µm copper tracks.…”

Section: Oe Bus Modules and 3r Regenerator Unitmentioning

confidence: 99%

“…Fibre-based optical interconnects are currently widely deployed for rack-to-rack communications and are now gradually penetrating into intra-rack communications [5,6]. Polymer multimode waveguides have attracted particular attention for use in board-level interconnections as they can be directly integrated onto standard printed circuit boards (PCBs) and offer relaxed alignment tolerances in the assembly and packaging of these hybrid opto-electronic (OE) boards [7][8][9]. Various optical backplane systems deploying polymer waveguides have been demonstrated in recent years featuring different types of polymer materials, system designs and interconnection architectures, and making use of various fabrications methods to achieve cost-effective on-board opto-electronic integration.…”

Section: Introductionmentioning

confidence: 99%

A polymer waveguide-based 40 Gb/s optical bus backplane for board-level optical interconnects

Bamiedakis

Hashim

Penty

et al. 2013

2013 15th International Conference on Transparent Optical Networks (ICTON)

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Optical interconnects are increasingly considered for use in high-performance electronic systems. Multimode polymer waveguides are a promising technology for the formation of optical backplanes as they enable costeffective integration of optical links onto standard printed circuit boards. In this paper, we present a 40 Gb/s optical backplane demonstrator based on the use of polymer multimode waveguides and a regenerative shared bus architecture. The system allows bus extension by cascading multiple polymeric bus modules through 3R regenerator units enabling the connection of an arbitrary number of electrical cards onto the bus. The proof-ofprinciple demonstrator reported here is formed with low-cost, commercially-available active devices and electronic components mounted on conventional FR4 substrates and achieves error-free 4×10 Gb/s optical interconnection between any two card interfaces on the bus.

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“…As a result, recent research has focused on the development of waveguide-based optical technologies that enable the formation of cost-effective optical backplanes and board-level optical interconnections. In particular, polymer multimode waveguides are considered to be as an attractive technology as the polymer materials allow direct integration onto PCBs, while their large waveguide dimensions (typically 30 to 70 µm) allow system assembly with common pick-and-place tools [6][7][8]. In recent years, a large number of system demonstrators featuring multimode polymer waveguides have been realized, showcasing the potential of this technology [9][10][11].…”

Section: Introductionmentioning

confidence: 99%

High-bandwidth and low-loss multimode polymer waveguides and waveguide components for high-speed board-level optical interconnects

et al. 2016

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Multimode polymer waveguides are being increasingly considered for use in short-reach board-level optical interconnects as they exhibit favourable optical properties and allow direct integration onto standard PCBs with conventional methods of the electronics industry. Siloxane-based multimode waveguides have been demonstrated with excellent optical transmission performance, while a wide range of passive waveguide components that offer routing flexibility and enable the implementation of complex on-board interconnection architectures has been reported. In recent work, we have demonstrated that these polymer waveguides can exhibit very high bandwidth-length products in excess of 30 GHz×m despite their highly-multimoded nature, while it has been shown that even larger values of > 60 GHz×m can be achieved by adjusting their refractive index profile. Furthermore, the combination of refractive index engineering and launch conditioning schemes can ensure high bandwidth (> 100 GHz×m) and high coupling efficiency (< 1 dB) with standard multimode fibre inputs with relatively large alignment tolerances (~17×15 µm 2). In the work presented here, we investigate the effects of refractive index engineering on the performance of passive waveguide components (crossings, bends) and provide suitable design rules for their on-board use. It is shown that, depending on the interconnection layout and link requirements, appropriate choice of refractive index profile can provide enhanced component performance, ensuring low loss interconnection and adequate link bandwidth. The results highlight the strong potential of this versatile optical technology for the formation of high-performance board-level optical interconnects with high routing flexibility.

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Low-Cost PCB-Integrated 10-Gb/s Optical Transceiver Built With a Novel Integration Method

Cited by 25 publications

References 37 publications

Glass–polymer superlattice for integrated optics

Glass–polymer superlattice for integrated optics

A polymer waveguide-based 40 Gb/s optical bus backplane for board-level optical interconnects

High-bandwidth and low-loss multimode polymer waveguides and waveguide components for high-speed board-level optical interconnects

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