Combined effects of optical and acoustic birefringence on acousto-optic mode coupling in photonic crystal fiber

Lim, Sun Do; Park, Hoon Cheol; Hwang, Inseok; Kim, Byoung Yoon

doi:10.1364/oe.16.006125

Cited by 26 publications

(10 citation statements)

References 23 publications

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“…Recently there has been considerable interest in studying the acousto-optic effect in photonic crystals. [25][26][27][28] For example, Courjal et al 25 have studied an active 2D lithium niobate photonic crystal driven by stationary Rayleigh surface acoustic waves. The configuration relies on two interdigital transducers that modulate the refractive index through the acousto-optic effect.…”

Section: Introductionmentioning

confidence: 99%

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Acousto-optics studied in polaritonic photonic crystals

Singh

Racknor

2010

Phys. Rev. B

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We have studied the acousto-optic effect on the photon transmission and the spontaneous emission in polaritonic photonic crystal. We have considered that photonic crystals are fabricated from polaritonic materials such as GaP, MgO, LiNbO 3 , and LiTaO 3 . A two-level quantum dot is doped in a polaritonic crystal to study the decay rate of the spontaneous emission. The decay rate of quantum dots, band structure, and photon transmission coefficient have been calculated. It is found that band-gap width and the decay rate of quantum dots depends strongly on the high-frequency dielectric constant of the polaritonic crystals while the photonic band edges vary inversely by the ratio of longitudinal-to transverse-optical phonon energies. The spontaneous decay rate of the quantum dot can be controlled by the external strain field. This finding is significant because it is well known that the spontaneous emission is source of undesirable noise in different types of electronic and optical devices. Finally, we have also found the system can be switched from transmitting state to reflecting state by applying an external strain field. These are distinct and interesting results and can be used to fabricate new types of photonic couplers and fibers which in turn can be used to fabricate all photonic switches.

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Section: Introductionmentioning

confidence: 99%

“…They found that Brillouin scattering is strongly affected by acousto-optical effect. Lim et al 28 have measured the multiple resonance peaks in an all-fiber acousto-optic tunable filter built with a photonic crystal fiber. They explained their experiments by using physics of the acousto-optic mode coupling.…”

Section: Introductionmentioning

confidence: 99%

Acousto-optics studied in polaritonic photonic crystals

Singh

Racknor

2010

Phys. Rev. B

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“…4. 15 The right column in Fig. It could be seen that when flexural wave is directly applied onto the SMF, due to the acoustic wave modulation method used in our experiment, when the fiber bends along x direction determined by the initial vibration orientation, x-polarization acoustic wave and its perpendicular counterpart, namely y-polarization acoustic wave, would be simultaneously applied onto the SMF through the Al horn.…”

Section: Resultsmentioning

confidence: 91%

Acoustic birefringence suppression in a fiber acoustic grating employing solid-core photonic crystal fiber with hexagonal air-hole array cladding

et al. 2013

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An acoustic birefringence suppression scheme for acoustic fiber gratings has been proposed and experimentally demonstrated. Experimental observation of the transmission characteristics of the single-mode-fiber-based (SMF-based) acoustic grating confirms that introduction of one segment of solid-core photonic crystal fiber (PCF) with air-hole array in the cladding region helps to eradicate resonance peak splitting induced by acoustic birefringence, which has been explained by our theoretical analysis from the acoustic wave modulation method and fiber cross-section structure. Moreover, experimental results indicate that the introduction of the solid-core PCF does not have a considerable impact on the frequency dependence of resonance wavelength for the SMF-based acoustic fiber grating, which ensures the performances of the PCF-assisted SMF-based acousto-optic tunable filter for practical applications.

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“…The first coupling mode is the even mode, and second mode is the odd mode of LP11. This can be attributed to any slight disorder in the inner air-hole lattice [12].…”

Section: Fabrication Of the Lpfg In The Ps-pcfmentioning

confidence: 99%

Investigation of an Arc-induced Long Period Fiber Grating Inscribed in a Photonic Crystal Fiber with Two Large Air Holes

Kim¹,

Kim²,

Hwang³

et al. 2009

Journal of the Optical Society of Korea

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A photonic crystal fiber with two large air holes outside the holey cladding region is fabricated to induce an effective long periodic grating (LPG) in the core by an electric arc discharge. We believe that the two large air holes lead to the asymmetric perturbation in the core under the electric arc discharge, thereby introducing the coupling to the first higher-order mode. The transmission characteristics of the PCF with the LPG for the external perturbation such as strain, curvature, and temperature are also investigated. It was found that the shift of resonance peak in the transmission spectrum depends on the bending direction. The curvature of 8.55 m -1 results in the center wavelength shifts of 1.8, 4.3, and 11 nm for a vertical, diagonal, and horizontal direction of the curvature to the large air-hole alignment, respectively.

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Combined effects of optical and acoustic birefringence on acousto-optic mode coupling in photonic crystal fiber

Cited by 26 publications

References 23 publications

Acousto-optics studied in polaritonic photonic crystals

Acousto-optics studied in polaritonic photonic crystals

Acoustic birefringence suppression in a fiber acoustic grating employing solid-core photonic crystal fiber with hexagonal air-hole array cladding

Investigation of an Arc-induced Long Period Fiber Grating Inscribed in a Photonic Crystal Fiber with Two Large Air Holes

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