Simultaneous all-optical sampling and quantization scheme based on the nonlinear Kerr effect in an ultra-compact silicon waveguide grating structure

S. Marziyeh Mousavizadeh; Abbas Zarifkar

doi:10.1364/AO.461315

Applied Optics
Vol. 61,
Issue 22,
pp. 6527-6533
(2022)
•https://doi.org/10.1364/AO.461315

Simultaneous all-optical sampling and quantization scheme based on the nonlinear Kerr effect in an ultra-compact silicon waveguide grating structure

S. Marziyeh Mousavizadeh and Abbas Zarifkar

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S. Marziyeh Mousavizadeh and Abbas Zarifkar, "Simultaneous all-optical sampling and quantization scheme based on the nonlinear Kerr effect in an ultra-compact silicon waveguide grating structure," Appl. Opt. 61, 6527-6533 (2022)

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Abstract

In this paper, a novel method for simultaneous all-optical sampling and quantization is presented, to the best of our knowledge. This study utilizes the nonlinear Kerr effect in a silicon-based waveguide grating to realize nonlinear filters in which the sampling pulses are affected by the input signal. Compatible with complementary metal-oxide-semiconductor fabrication, in this ultra-compact two-bit quantizer, the footprint is reduced to ${90}\;{{\unicode{x00B5}{\rm m}}^2}$ which, to the best of our knowledge, is the least among recent similar studies.

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Data availability

Data underlying the results presented in this paper are not publicly available at this time but may be obtained from the authors upon reasonable request.

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Quantization Level	Active Outputs	Corresponding Input Power ( $W / {m m}^{2}$ )
1	–	0–0.0018
2	Output 1	0.0018–0.213
3	Output 1, Output 2	0.213–0.49
4	Output 1, Output 2, Output 3	$> 0.49$

Characteristics	2005 [29]	2017 [30]	2019 [14]	2020 [18]	2021 [35]	2021 [21]	This Study
Sampling method	Optical	Optical	Optical	–	–	–	Optical
Operation wavelength	–	1554 nm	1557 nm	1550 nm	1550 nm	1420 nm	1550 nm input 1335 nm output
Quantization power range	0–1 W	0–800 mW	10–94 W	$0 - 4 {W / µ m}^{2}$	$0 - 75 {W / m m}^{2}$	0–100 mW	$0 - 0.7 {W / m m}^{2}$
Effective number of bits	2	3	2	2	2.64	3.79	2
Footprint	$\sim 1200 {µ m}^{2}$ ^a	–	$\sim 32000 {µ m}^{2}$ ^a	$\sim 500 {µ m}^{2}$ ^a	$300 {µ m}^{2}$	–	$90 {µ m}^{2}$

Quantization Level	Active Outputs	Corresponding Input Power ( $W / {m m}^{2}$ )
1	–	0–0.0018
2	Output 1	0.0018–0.213
3	Output 1, Output 2	0.213–0.49
4	Output 1, Output 2, Output 3	$> 0.49$

Characteristics	2005 [29]	2017 [30]	2019 [14]	2020 [18]	2021 [35]	2021 [21]	This Study
Sampling method	Optical	Optical	Optical	–	–	–	Optical
Operation wavelength	–	1554 nm	1557 nm	1550 nm	1550 nm	1420 nm	1550 nm input 1335 nm output
Quantization power range	0–1 W	0–800 mW	10–94 W	$0 - 4 {W / µ m}^{2}$	$0 - 75 {W / m m}^{2}$	0–100 mW	$0 - 0.7 {W / m m}^{2}$
Effective number of bits	2	3	2	2	2.64	3.79	2
Footprint	$\sim 1200 {µ m}^{2}$ ^a	–	$\sim 32000 {µ m}^{2}$ ^a	$\sim 500 {µ m}^{2}$ ^a	$300 {µ m}^{2}$	–	$90 {µ m}^{2}$

Abstract

Data availability

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Tables (2)

Equations (2)

Applied Optics