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Title: Tapless and topology agnostic calibration solution for silicon photonic switches

Abstract

We leverage the photo-conductance (PC) effect in doped phase-shifter heaters for both controlling and calibrating Mach-Zehnder interferometer (MZI) switch elements. Both the steady-state and the transient response are experimentally characterized, and compact models for the PC current are developed. Utilizing the PC effect, a topology-agnostic algorithm is then outlined. The calibration procedure is experimentally verified against calibration with external photo-detectors using a non-blocking 4×4 Benes switch consisting of six 2×2 MZIs. It is shown that our PC-based approach agrees with the PD-based procedure within less than 2.5% of difference between the obtained calibrated values. Based on the calibrated PC values, all possible routing configurations are measured for extinction ratio (9.92-21.51dB), insertion loss (0.88-4.59dB), and exhibiting performances far below the 7% FEC limit (bit error rate of 3.8 × 10- 3) using 25 Gbps 4-level pulse-amplitude-modulation signals (PAM4).

Authors:
ORCiD logo; ; ; ; ; ;
Publication Date:
Research Org.:
Columbia Univ., New York, NY (United States)
Sponsoring Org.:
USDOE Advanced Research Projects Agency - Energy (ARPA-E)
OSTI Identifier:
1483736
Alternate Identifier(s):
OSTI ID: 1613737
Grant/Contract Number:  
AR00000843; AR0000843
Resource Type:
Published Article
Journal Name:
Optics Express
Additional Journal Information:
Journal Name: Optics Express Journal Volume: 26 Journal Issue: 25; Journal ID: ISSN 1094-4087
Publisher:
Optical Society of America
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING; Optics

Citation Formats

Gazman, Alexander, Manzhosov, Evgeny, Browning, Colm, Bahadori, Meisam, London, Yanir, Barry, Liam, and Bergman, Keren. Tapless and topology agnostic calibration solution for silicon photonic switches. United States: N. p., 2018. Web. doi:10.1364/OE.26.032662.
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Gazman, Alexander, Manzhosov, Evgeny, Browning, Colm, Bahadori, Meisam, London, Yanir, Barry, Liam, & Bergman, Keren. Tapless and topology agnostic calibration solution for silicon photonic switches. United States. https://doi.org/10.1364/OE.26.032662
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Gazman, Alexander, Manzhosov, Evgeny, Browning, Colm, Bahadori, Meisam, London, Yanir, Barry, Liam, and Bergman, Keren. Wed . "Tapless and topology agnostic calibration solution for silicon photonic switches". United States. https://doi.org/10.1364/OE.26.032662.
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@article{osti_1483736,
title = {Tapless and topology agnostic calibration solution for silicon photonic switches},
author = {Gazman, Alexander and Manzhosov, Evgeny and Browning, Colm and Bahadori, Meisam and London, Yanir and Barry, Liam and Bergman, Keren},
abstractNote = {We leverage the photo-conductance (PC) effect in doped phase-shifter heaters for both controlling and calibrating Mach-Zehnder interferometer (MZI) switch elements. Both the steady-state and the transient response are experimentally characterized, and compact models for the PC current are developed. Utilizing the PC effect, a topology-agnostic algorithm is then outlined. The calibration procedure is experimentally verified against calibration with external photo-detectors using a non-blocking 4×4 Benes switch consisting of six 2×2 MZIs. It is shown that our PC-based approach agrees with the PD-based procedure within less than 2.5% of difference between the obtained calibrated values. Based on the calibrated PC values, all possible routing configurations are measured for extinction ratio (9.92-21.51dB), insertion loss (0.88-4.59dB), and exhibiting performances far below the 7% FEC limit (bit error rate of 3.8 × 10- 3) using 25 Gbps 4-level pulse-amplitude-modulation signals (PAM4).},
doi = {10.1364/OE.26.032662},
journal = {Optics Express},
number = 25,
volume = 26,
place = {United States},
year = {Wed Nov 28 00:00:00 EST 2018},
month = {Wed Nov 28 00:00:00 EST 2018}
}
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https://doi.org/10.1364/OE.26.032662
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Cited by: 12 works
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Works referenced in this record:

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    Works referencing / citing this record:

    Monitoring and automatic tuning and stabilization of a 2×2 MZI optical switch for large-scale WDM switch networks
    journal, January 2019

    • AlTaha, M. W.; Jayatilleka, H.; Lu, Z.
    • Optics Express, Vol. 27, Issue 17
    • DOI: 10.1364/oe.27.024747
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