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Updated: May 10, 2026

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

Towards Using Molecular States as Qubits.

Debabrata Goswami¹, Tapas Goswami, S K Karthick Kumar

¹Department of Chemistry, Indian Institute of Technology Kanpur Kanpur - 208016, INDIA.

AIP Conference Proceedings

|July 2, 2013

Summary

Researchers explored molecular fragmentation using laser pulses to create molecular qubits. Chirp and polarization of laser pulses independently control molecular fragmentation, enabling their use as logic parameters for molecular quantum computing.

Keywords:

Molecular qubits Multiphoton Ionization frequency chirp polarization

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Last Updated: May 10, 2026

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

Area of Science:

Quantum computing
Molecular physics
Laser science

Background:

Quantum computing harnesses quantum-mechanical phenomena for computation.
Molecular systems offer potential for scalable qubit architectures.
Controlling molecular states with light is crucial for quantum applications.

Purpose of the Study:

To investigate molecular fragmentation of n-propyl benzene using femtosecond laser pulses as a model system for molecular qubits.
To determine the influence of laser pulse characteristics on molecular fragmentation for qubit implementation.

Main Methods:

Utilized femtosecond laser pulses to induce non-resonant molecular fragmentation of n-propyl benzene.
Analyzed the dependence of fragmentation on laser pulse phase, polarization, and chirp.
Investigated the simultaneous and independent effects of chirp and polarization.

Main Results:

Demonstrated that molecular fragmentation is controllable via laser pulse phase and polarization.
Showed that chirp and polarization effects are mutually independent when applied simultaneously.
Identified chirp and polarization as independent control parameters for molecular qubit operations.

Conclusions:

Molecular fragmentation driven by femtosecond lasers is a viable pathway to creating molecular qubits.
The independent control offered by chirp and polarization facilitates the implementation of logic operations in molecular qubits.
This research provides a foundation for developing advanced molecular quantum computing systems.