Silicon photonics integrated circuits: a manufacturing platform for high density, low power optical I/O’s

Absil, P.; Verheyen, Peter; Heyn, Peter De; Pantouvaki, Marianna; Lepage, Guy; Coster, J. De; Campenhout, Joris Van

doi:10.1364/oe.23.009369

Cited by 115 publications

(82 citation statements)

References 11 publications

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“…We implemented the proposed device as a circuit in IMEC's passive silicon photonics platform, using established building blocks from the supplied process design kit (PDK) [7].…”

Section: Circuit Design and Fabricationmentioning

confidence: 99%

“…The use of the current phase shift heaters limit the driving speed of the circuit, which should not exceed 4KHz, while the total power consumption for a 2π rad phase shift is around 30mW. To reduce the power consumption by the shifters one could use doped side heaters [7,13] or liquid crystal based phase shifters [14], or modifying the design of the MZIs [15,16]. For improving the speed of the circuit the use of PN junction phase shifter [17] can be considered, once they don't rely on the thermo-optic effect for the phase shifting, which is the main limitation for increasing the speed of actuation of the phase shifters.…”

Section: Circuit Implementationmentioning

confidence: 99%

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Demonstration of a 4 × 4-port universal linear circuit

Ribeiro

Ruocco

Vanacker

et al. 2016

Optica

172

103

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We present a silicon implementation of a 4-port universal linear optical circuit. Instead of predefining the exact functionality of a photonic circuit at design time, we demonstrate a simple generic silicon photonic circuit, combined with electronic control and software feedback, that can perform any linear operation between its 4 input and output ports. The circuit consists of a network of thermally tunable symmetric Mach-Zehnder interferometers with phase and amplitude control, in-circuit optical power monitors, and local software controlled feedback loops. The circuit can be configured using a training mechanism, which makes it to self-adapt to implement the desired function. We use the circuit to demonstrate an adaptive, universal beam coupler, as well as a switch matrix.

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“…We implemented the proposed device as a circuit in IMEC's passive silicon photonics platform, using established building blocks from the supplied process design kit (PDK) [7].…”

Section: Circuit Design and Fabricationmentioning

confidence: 99%

Section: Circuit Implementationmentioning

confidence: 99%

Demonstration of a 4 × 4-port universal linear circuit

Ribeiro

Ruocco

Vanacker

et al. 2016

Optica

172

103

View full text Add to dashboard Cite

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“…We implemented the device in imec's ISIPP25G+ silicon photonics platform through the Europractice MPW service using established building blocks from the supplied process design kit (PDK) [12]. The circuit was designed using the IPKISS toolset from Luceda Photonics [13] and the circuit was simulated using the Caphe circuit simulator, which is integrated with IPKISS.…”

Section: Design and Fabricationmentioning

confidence: 99%

Digitally controlled multiplexed silicon photonics phase shifter using heaters with integrated diodes

Ribeiro¹,

Bogaerts²

2017

Opt. Express

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We present a silicon side heater with integrated diode to provide multiplexed control of different elements in a photonic circuit based on the polarity of the driving signal. The diode introduces an asymmetric electrical response where the heater is only active under forward bias. This can be used to address multiple heaters through the same electrical electrical contacts. We demonstrate push-pull operation on a Mach-Zehnder interferometer with heaters in both arms, as well as time-multiplexed operation of multiple heaters by modulating the driving signal. We extend this work by demonstrating how pulse width modulation (PWM) and duobinary-PWM can be used to improve the linearity of the response of the phase shifters.

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“…This has been necessitated by an ever increasing need for multichannel high performance computing as well as large capacity data storage servers along with the requirement of low energy per unit bit power consumption. Several groups have now reported significant breakthroughs in demonstrating passive and active silicon (Si) based on chip photonic components [1][2][3][4][5]. Primarily, three reasons are attributed to the preference of Si in integrated optics over other material platforms.…”

Section: Introductionmentioning

confidence: 99%

Grating-Assisted Fiber to Chip Coupling for SOI Photonic Circuits

2018

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Fiber to chip coupling is a critical aspect of any integrated photonic circuit. In terms of ease of fabrication as well as wafer-scale testability, surface grating couplers are by far the most preferred scheme of the coupling to integrated circuits. In the past decade, considerable effort has been made for designing efficient grating couplers on Silicon-on-Insulator (SOI) and other allied photonic platforms. Highly efficient grating couplers with sub-dB coupling performance have now been demonstrated. In this article, we review the recent advances made to develop grating coupler designs for a variety of applications on SOI platform. We begin with a basic overview of design methodology involving both shallow etched gratings and the emerging field of subwavelength gratings. The feasibility of reducing footprint by way of incorporating compact tapers is also explored. We also discuss novel grating designs like polarization diversity as well as dual band couplers. Lastly, a brief description of various packaging and wafer-scale testing schemes available for fiber-chip couplers is elaborated.

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Silicon photonics integrated circuits: a manufacturing platform for high density, low power optical I/O’s

Cited by 115 publications

References 11 publications

Demonstration of a 4 × 4-port universal linear circuit

Demonstration of a 4 × 4-port universal linear circuit

Digitally controlled multiplexed silicon photonics phase shifter using heaters with integrated diodes

Grating-Assisted Fiber to Chip Coupling for SOI Photonic Circuits

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