Dual Modulation of QPSK and OOK Using Silicon Microring Modulator

Sinha, Nitish; Bhowmik, Sanjukta; Singha, Satyabrata; Bhowmik, Bishanka Brata

doi:10.1007/978-981-33-4084-8_51

Cited by 3 publications

(2 citation statements)

References 27 publications

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“…The structure is designed with a minimum device footprint using three microring modulators, which can be fabricated using standard industrial CMOS technology 35 . Furthermore, the use of U-shaped microring can improve the structure for energy-efficient modulator design 36 , 37 …”

Section: Discussionmentioning

confidence: 99%

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Generation of an optical 8-amplitude phase shift keying modulator using silicon microrings in add-drop configuration

Debnath,

Das,

Sinha

et al. 2024

Opt. Eng.

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In this work, an optical 8-amplitude phase shift keying (8APSK) modulator has been designed and successfully simulated using three silicon microring modulators (MRMs). The first two MRMs jointly generate a QPSK signal, while the third MRM is connected in an add-drop configuration to synthesize the final 8APSK signal. The MRMs have a junction volume of 4.5 × 10 −12 cm −3 with carrier recombination lifetime of 100 × 10 −12 seconds. We have obtained the simulated constellation plots at various signal-to-noise ratios and achieved a bit error rate of 10 −3 at around 10.7 dB optical signal to noise ratio.

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Section: Discussionmentioning

confidence: 99%

“…35 Furthermore, the use of U-shaped microring can improve the structure for energy-efficient modulator design. 36,37 Bishanka Brata Bhowmik is an assistant professor at Tripura University in the Department of Electronics and Communication Engineering. He received his PhD from the Indian Institute of Technology Patna, India.…”

Section: Performance Estimationmentioning

confidence: 99%

Generation of an optical 8-amplitude phase shift keying modulator using silicon microrings in add-drop configuration

Debnath,

Das,

Sinha

et al. 2024

Opt. Eng.

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Re-configurable higher order optical modulation format generator based on microring modulator

Singha

Sinha

Das

et al. 2021

2021 IEEE International Conference on Telecommunications and Photonics (ICTP)

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Realization of 2-bit multiplier based on Vedic mathematics using electro-absorption microring modulator

Sinha,

Das,

Debnath

et al. 2024

Opt. Eng.

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We delve into applying the "Urdhva Tiryagbhyam" Vedic mathematics sutra, or "Vertically and Crosswise," to develop a 2-bit multiplier tailored for binary integers. Originating from ancient Indian mathematical traditions, this sutra historically expedited the multiplication of decimal numbers. To implement our proposed circuit, we employ four microring modulators designed by the electroabsorption method and scrutinize the impact of various variables on its on-off logic. The study emphasizes the significance of Vedic mathematics sutras in optimizing binary multiplication operations within the optical domain. To substantiate the optical output results, we have measured the extinction ratio, which consistently exceeds at least 2.9 dB for each operation. By integrating traditional mathematical principles with contemporary technologies, we aim to streamline and accelerate binary multiplication processes, contributing to advancements in digital circuit design and computation.

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Dual Modulation of QPSK and OOK Using Silicon Microring Modulator

Cited by 3 publications

References 27 publications

Generation of an optical 8-amplitude phase shift keying modulator using silicon microrings in add-drop configuration

Generation of an optical 8-amplitude phase shift keying modulator using silicon microrings in add-drop configuration

Re-configurable higher order optical modulation format generator based on microring modulator

Realization of 2-bit multiplier based on Vedic mathematics using electro-absorption microring modulator

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