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Molecular Buffer

Preecha Yupapin

Published May 7, 2013• 0 citations
Publisher

Abstract

Optical buffer is recognized as an essential component in a wavelength router, in which packets of data can be stored for resolving packet contention problem and also to delay the outgoing packets [1-2]. In practice, optical router patents have been proposed and recorded [3-5], which can be useful for various applications. Recently, promising techniques of microscopic volume trapping and transportation within an add/drop multiplexer have been reported in both theory [6]and experiment [7], respectively. The transporter in these techniques is known as an optical tweezer. The technique for generating optical tweezers has become a powerful tool for manipulating of micrometer-sized particles. Useful static tweezers have now been well recognized and realized. The use of dynamic tweezers has also been realized in practical works [8-10]. Schulz et al. [11] have shown that trapped atoms between can be transported between two optical potentials. Optical tweezers use forces exerted by intensity gradients in strongly focused beams of light to trap and move nanoscopic volumes of matter. During the movement, another combination of forces is induced between photons due to their interactions caused by photon scattering effects. The field intensity can also be adjusted and tuned to the desired gradient field and scattering force so that the suitable trapping force can be formed. Thus, by configuring the appropriated force for the transmitter/ receiver part, nanoscopic particles can be transported over a long distance. In this chapter, the methods for generating the dynamic optical tweezers/vortices using a dark soliton, a bright soliton and a Gaussian pulse propagating within an add/drop optical multiplexer with two nanoring resonators (PANDA ring resonator) will be discussed. The dynamic behaviors of a soliton and Gaussian pulses are well described. [12]. By using the proposed system, the transceiver can be integrated to form a single device. The transceiver can be used to transport nanoscopic volumes of matter [13], especially, molecules in liquid core waveguide [14, 15], drugs, and DNA, where a buffer is needed before the substance reaches its destination.

DOI
10.1201/b17233-10

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Optical buffer is recognized as an essential component in a wavelength router, in which packets of data can be stored for resolving packet contention problem and also to delay the outgoing packets [1-2]. In practice, optical router patents have been proposed and recorded [3-5], which can be useful for various applications. Recently, promising techniques of microscopic volume trapping and transportation within an add/drop multiplexer have been reported in both theory [6]and experiment [7], respectively. The transporter in these techniques is known as an optical tweezer. The technique for generating optical tweezers has become a powerful tool for manipulating of micrometer-sized particles. Useful static tweezers have now been well recognized and realized. The use of dynamic tweezers has also been realized in practical works [8-10]. Schulz et al. [11] have shown that trapped atoms between can be transported between two optical potentials. Optical tweezers use forces exerted by intensity gradients in strongly focused beams of light to trap and move nanoscopic volumes of matter. During the movement, another combination of forces is induced between photons due to their interactions caused by photon scattering effects. The field intensity can also be adjusted and tuned to the desired gradient field and scattering force so that the suitable trapping force can be formed. Thus, by configuring the appropriated force for the transmitter/ receiver part, nanoscopic particles can be transported over a long distance. In this chapter, the methods for generating the dynamic optical tweezers/vortices using a dark soliton, a bright soliton and a Gaussian pulse propagating within an add/drop optical multiplexer with two nanoring resonators (PANDA ring resonator) will be discussed. The dynamic behaviors of a soliton and Gaussian pulses are well described. [12]. By using the proposed system, the transceiver can be integrated to form a single device. The transceiver can be used to transport nanoscopic volumes of matter [13], especially, molecules in liquid core waveguide [14, 15], drugs, and DNA, where a buffer is needed before the substance reaches its destination.
A novel design of molecular buffer for molecule storage and delivery using a PANDA ring resonator is proposed. The optical vortices can be generated and controlled to form the trapping tools in the same way as the optical tweezers. In theory, the trapping force is formed by the combination between the gradient field and scattering photons, which is reviewed. By using the intense optical vortices generated within the PANDA ring resonator, the required molecules can be trapped and moved (transported) dynamically within the wavelength router or network, in which the molecular buffer can be performed within the wavelength router before reaching the required destination. The advantage of the proposed system is that a transmitter and receiver can be formed within the same system, which is available for molecule storage and transportation. Relevant patents are also reviewed in this manuscript. Keywords: Molecular buffer, molecular memory, molecular transceiver, molecular repeater, Optical Router, PANDA Ring Resonator, optical tweezers, tweezer amplification, trapping forces, light polarization state
A novel design of molecular buffer for molecule storage and delivery using a PANDA ring resonator is proposed. The optical vortices can be generated and controlled to form the trapping tools in the same way as the optical tweezers. In theory, the trapping force is formed by the combination between the gradient field and scattering photons, which is reviewed. By using the intense optical vortices generated within the PANDA ring resonator, the required molecules can be trapped and moved (transported) dynamically within the wavelength router or network, ie, a molecular buffer. This can be performed within the wavelength router before reaching the required destination. The advantage of the proposed system is that a transmitter and receiver can be formed within the same system, which is available for molecule storage and transportation.
We have experimentally generated the optical tweezers in the form of a dark soliton pulse using the Stimulated Brillouin Scattering (SBS) system. This is the first time ever found on the use of the highly intense pulse in the form of a dark soliton to perform the dynamic light trapping probe known as a ¿dynamic optical tweezers¿. The advantage of the generated tweezers is that it can be used to transmit and transport the trapping atom/molecule into the optical device and communication network, which can be claimed as the dynamic optical tweezers transportation, for used in many frontier applications. The multi-optical tweezers generated, with high capacity regime can then be used for multi-optical tweezers transmission. The various applications to form the frontier research using photon, atom, molecule, DNA, electron and ion trapping for atomic tools, tiny synchrotron, molecular networks, bottom up atom/molecule assembly, ozone repair etc. are described. The experimental details and model of the optical tweezers generation and related characteristics are described. The interesting simulation results of a dark soliton generation for the optical tweezers are also analyzed and discussed in various applications.
A generation of optical capsules and tweezers within a modified optical add-drop filter known as PANDA ring resonator with a new concept is proposed. By using dark and bright solitons, the orthogonal tweezers can be formed within the system and observed simultaneously at the output ports. Under the resonant condition, the optical capsules and tweezers generated by dark and bright soliton pair corresponding to the left-hand and right-hand rotating solitons (tweezers) can be generated. When a soliton is interacted by an object, an angular momentum of either bright or dark tweezers is imparted to the object, in which two possible spin states known as tweezer spins are exhibited. Furthermore, an array of molecular capsules and spins, i.e., trapped molecules can be generated and detected by using the proposed system, which can be used to form large scale tweezer or capsule spins. In application, the trapped molecules can be moved and rotated securely to the required destinations, which can be useful for many applications, especially, in medical diagnosis, therapy and surgery.
A molecular cryptography technique using optical tweezers, is proposed. The optical tweezer transports the molecules in the communication system. The optical tweezer generated by the dark soliton is in the form of a potential well. The dark soliton propagates inside nonlinear microring resonator (NMRR). Transportation of molecules is implemented when the dark soliton is used as input pulse. The input bright soliton control the output signal at the drop port of the system. Output optical tweezers can be connected to the quantum signal processing system consisting of transmitter and the receiver. The transmitter is used to generate the high capacity quantum codes within the series of MRR’s and an add/drop filter. The receiver will detect the encoded signals known as quantum bits. The transmitter will generate the entangled photon pair which propagates via an optical communication link. Here the smallest optical tweezer with respect to the full width at half maximum FWHM is 17.6 nm in the form of potential well is obtained and transmitted through quantum signal processor via an optical link. Key words: Internet security; optical tweezers; quantum cryptography; quantum signal processing; entangled photon pair
We propose a novel system of an optical trapping tool using a dark-bright soliton pulse-propagating within an add/drop optical filter. The multiplexing signals with different wavelengths of the dark soliton are controlled and amplified within the system. The dynamic behavior of dark bright soliton interaction is analyzed and described. The storage signal is controlled and tuned to be an optical probe which can be configured as the optical tweezer. The optical tweezer storage is embedded within the add/drop optical filter system. By using some suitable parameters, we found that the tweezers storage time of 1.2 ns is achieved. Therefore, the generated optical tweezers can be stored and amplified within the design system. In application, the optical tweezers can be stored and trapped light/atom, which can be transmitted and recovered by using the proposed system.