advances in optics, photonics, spectroscopy & applications
TRANSCRIPT
Advances in Optics, Photonics, Spectroscopy & Applications XI 2021
4 ISBN: 978-604-9988-20-2
CHẾ TẠO VÀ KHẢO SÁT ĐẾ SERS THANH NANO ZnO/Ag ỨNG DỤNG PHÁT
HIỆN CHẤT HỮU CƠ ABAMECTIN Ở NỒNG ĐỘ THẤP ..................................... 179
Hoa Mai Anh, Nguyễn Hà Thanh, Đào Anh Tuấn, Nguyễn Hữu Kế,
Lê Vũ Tuấn Hùng .......................................................................................................... 179
NGHIÊN CỨU KHẢ NĂNG HỖ TRỢ CHUYỂN ĐIỆN TÍCH CỦA MÀNG NHÔM
MỎNG PHỦ TRÊN THANH ZnO NHẰM ỨNG DỤNG LÀM ĐẾ SERS................ 184
Nguyễn Thành Phúc, Lê Thị Minh Huyền, Lê Vũ Tuấn Hùng ...................................... 184
TÍNH CHẤT DẪN ĐIỆN LOẠI p CỦA MÀNG SnO2 ĐỒNG PHA TẠP n-Zn ....... 190
Đặng Hữu Phúc, Nguyễn Thị Mỹ Hạnh, Lê Thị Yến Nhung, Nguyễn Trần Hải Vân,
Lê Trấn .......................................................................................................................... 190
THE INFLUENCE OF THE SPUTTERING CURRENTS ON STRUCTURAL,
OPTICAL AND ELECTRICAL PROPERTIES OF CuCr0.95Mg0.05O2 THIN FILMS195
Dung Van Hoang, Tu Anh Kieu Le, Anh Tuan Thanh Pham, Truong Huu Nguyen,
Ngoc Kim Pham, Hanh Kieu Thi Ta, Hanh Duc Thi Dinh, Dai Cao Truong,
Hoa Thi Lai, Ngoc Van Le, Vinh Cao Tran, Thang Bach Phan ................................... 195
ENHANCEMENT OF FLUORESCENT LABELING ALEXA VIA A SILVER
THIN FILM ..................................................................................................................... 201
Nguyen Thanh Thao, Nguyen Thuy An, Bach Thang Phan, Hanh Kieu Thi Ta,
Thanh Van Thi Tran, Lai Thi Hoa, Kieu The Loan Trinh, and Nhu Hoa Thi Tran ...... 201
CHẾ TẠO VÀ KHẢO SÁT MỘT SỐ TÍNH CHẤT QUANG HỌC CỦA TINH THỂ
KDP ĐỒNG PHA TẠP BRILLIANT GREEN VÀ EDTA .......................................... 207
Nguyễn Duy Nhật,
Nguyễn Văn Hạnh, Dư Quang Minh, Ngô Đức Lương,
Phan Trung Vĩnh ........................................................................................................... 207
PHÁT HIỆN NỒNG ĐỘ THẤP CỦA THUỐC NHUỘM MÀU DỰA TRÊN ĐẾ
SERS - DUNG DỊCH NANO Ag .................................................................................... 212
Tôn Nữ Quỳnh Trang, Nguyễn Duy Hải và Vũ Thị Hạnh Thu ..................................... 212
COMPARISON NONLINEARITY PROPERTIES OF LARGE AND SMALL
SOLID CORE PHOTONIC FIBERS WITH As2Se3 SUBSTRATE ........................... 217
Thuy Nguyen Thi, Duc Hoang Trong, Tran Tran Bao Le, Thanh Thai Doan,
Vu Tran Quoc, Lanh Chu Van ...................................................................................... 217
STUDY ON DISPERSION CHARACTERISTICS OF LARGE SOLID CORE
PHOTONIC CRYSTAL FIBERS WITH As2Se3 SUBSTRATE ................................. 221
Thuy Nguyen Thi, Duc Hoang Trong, Tran Tran Bao Le, Thanh Thai Doan,
Vu Tran Quoc, Bao Le Xuan, Lanh Chu Van ................................................................ 221
ẢNH HƯỞNG CỦA MỞ RỘNG DOPPLER LÊN SỰ LAN TRUYỀN XUNG
LASER TRONG MÔI TRƯỜNG NGUYÊN TỬ BA MỨC CẤU HÌNH LAMBDA 225
Lê Văn Đoài, Nguyễn Huy Bằng, Đinh Xuân Khoa, Đoàn Thanh Hoà,
Trần Thị Xuân Thuý, Hoàng Minh Đồng, Nguyễn Tuấn Anh và Lê Thị Minh Phương 225
Những tiến bộ trong Quang học, Quang phổ và Ứng dụng XI 2021
5 ISBN: 978-604-9988-20-2
ANALYSIS OF CONFINEMENT LOSS CHARACTERISTIC OF PHOTONIC
CRYSTAL FIBER WITH HOLLOW CORE INFILTRATED BY AROMATIC
COMPOUND ................................................................................................................... 232
Vu Tran Quoc, Vu Nguyen Quang, Thuy Nguyen Thi, Tran Tran Bao Le,
Ngoc Vo Thi Minh, Hieu Le Van, Bao Le Xuan, Phu Nguyen Van, Lanh Chu Van ..... 232
PROPAGATION PROPERTIES OF DIELECTRIC-COVERED WEDGE
PLASMONIC WAVEGUIDE ........................................................................................ 238
Vu Thi Ngoc Thuy, Chu Manh Hoang .......................................................................... 238
DESIGN AND SIMULATION OF METAL-FILM-COATED SILICA
NANOPARTICLE ON SILICON SUBSTRATE ......................................................... 242
Nguyen Thi Hai Yen, Chu Manh Hoang ....................................................................... 242
DEVELOPMENT OF A MULTI-WAVELENGTH RANGE DEVICE USING HIGH
POWER LEDS FOR PHOTOTHERAPY .................................................................... 246
Bui Binh Nguyen, Tang Duc Loi, Aliaksandr Mikulich, Nguyen Thi Yen Mai,
Nguyen Thanh Phuong, Nguyen Thi Bich Phuong, Tran Quoc Tien,
Tong Quang Cong ......................................................................................................... 246
REALIZATION OF A FAST OPTICAL SHUTTER .................................................. 250
Thuy Linh La, Tran Quoc Tien, Tong Quang Cong, Aliaksandr Mikulich, Nguyen Thi
Yen Mai, Nguyen Thi Bich Phuong, Nguyen Van Hieu, Nguyen Thanh Phuong ......... 250
NGHIÊN CỨU THIẾT KẾ CHẾ TẠO THIẾT BỊ GIÁM SÁT NHIỆT ĐỘ THEO
THỜI GIAN THỰC CHO HỆ THỐNG THU ÁNH SÁNG MẶT TRỜI VÀ LED
CÔNG SUẤT CAO .......................................................................................................... 255
Nguyễn Mạnh Hiếu, Vũ Thị Nghiêm, Vũ Mạnh Kiên, Nguyễn Văn Nhật,
Trần Quốc Tiến, Nguyễn Thanh Phương ...................................................................... 255
DETECTION OF ULTRA-LOW CONCENTRATION OF METHYL ORANGE BY
USING SILVER NANOPARTICLES/POROUS SILICON SERS ACTIVE
SUBSTRATE ................................................................................................................... 260
Nguyen Thuy Van, Vu Duc Chinh, Bui Huy, Pham Thanh Binh, Tran Thi Cham,
Hoang Thi Hong Cam and Pham Van Hoi ................................................................... 260
ANALYSIS AND EXPERIMENTS ON MAGNETIC RESONANCE WIRELESS
POWER TRANSFER AT LOW MHz FREQUENCY ................................................ 265
Thao Duy Nguyen, Mai Ngoc Linh, Dao Le Anh Quan, Nguyen Hoa Nhu Ngoc
and Thanh Son Pham .................................................................................................... 265
NGHIÊN CỨU CHẾ TẠO TINH THỂ NANO ZnSe BẰNG PHƯƠNG PHÁP
NGHIỀN CƠ NĂNG LƯỢNG CAO ............................................................................. 269
Bùi Thị Thu Hiền, Chử Đức Hành, Phạm Thị Diệu Linh, Trần Thị Kim Chi ............... 269
CẤU TRÚC TINH THỂ CỦA HỆ HẠT NANO Pr0.5Sr0.5MnO3 ................................ 274
Trần Đăng Thành, Nguyễn Thị Dung, Nguyễn Thị Việt Chinh, Đào Sơn Lâm,
Đinh Chí Linh, Vũ Xuân Hoà, Nguyễn Hữu Đức và Trần Minh Thi ............................ 274
Những tiến bộ trong Quang học, Quang phổ và Ứng dụng XI 2021
221 ISBN: 978-604-9988-20-2
STUDY ON DISPERSION CHARACTERISTICS OF LARGE SOLID
CORE PHOTONIC CRYSTAL FIBERS WITH As2Se3 SUBSTRATE
Thuy Nguyen Thi1*
, Duc Hoang Trong1, Tran Tran Bao Le
1, Thanh Thai Doan
2,
Vu Tran Quoc3, Bao Le Xuan
4, Lanh Chu Van
5
1Hue University of Education, Hue University, 34 Le Loi Street - Hue City, VietNam
2University of Food Industry, 140 Le Trong Tan, An Phu, Ho Chi Minh City, VietNam
3Thu Khoa Nghia High School for The Gifted, Chau Doc City, An Giang province, Vietnam
4Phan Boi Chau High School for The Gifted, 119 Le Hong Phong, Vinh City, VietNam
5Department of Physics, Vinh University, 182 Le Duan, Vinh City, VietNam
*E-mail: [email protected]
Abstract. We designed large solid core photonic crystal fibers with hexagonal lattices and
As2Se3 substrate. We investigate dispersion characteristics following wavelengths in 2.0 µm
to 7.0 µm range and structural parameters (holes diameter, the lattice constant, and filling
factor). From there we defined the dispersion optimal structural parameters to apply
effectively for supercontinuum generation.
Keywords: large solid core, As2Se3 substrate, dispersion characteristics.
I. INTRODUCTION
Photonic crystal fibers (PCFs) designs have been proposed to achieve ultra-flattened
chromatic dispersion. Among the structures of PCFs, hexagonal PCFs are the most
popular. The fibers first demonstrated by Russell consisted of a hexagonal lattice of air
holes in a silica fiber, with a solid (1996) or hollow (1998) core at the center where light is
guided [1, 2]. Transparent optical material like silica has been used widely to obtain an
ultra-broadband supercontinuum generation spectrum. Silica fibers are showing a
remarkable development in PCFs [3, 4]. However, the longest wavelength that can be
generated in silica fibers is below 2.5 μm because of material losses. In addition, one more
reason of limiting the supercontinuum broadening is the low nonlinearity of silica fibers.
Recently, non-silica compound glasses like chalcogenide, soft glasses have been
effectively used in PCFs for investigation of nonlinear propagation in PCFs. Chalcogenide
glasses are promising nonlinear materials especially in the longer wavelength infrared
region and these materials offer much higher nonlinear coefficients than silica glasses.
That's why nonlinear PCFs made of chalcogenide glasses has attracted a lot of attentions
of scientists around the world [5-11].
Controllability of chromatic dispersion in PCFs is very important problem for
practical applications to optical communication systems, dispersion compensation, and
nonlinear optics. In particular, ultra-flattened dispersion PCFs are indispensable for optical
data transmission systems over a broadband wavelength range because of the reduction of
the accumulated dispersion difference in telecommunication bands without any zero-
dispersion wavelength. These properties have been shown to be strongly dependent on the
Advances in Optics, Photonics, Spectroscopy & Applications XI 2021
222 ISBN: 978-604-9988-20-2
geometry of the PCF structure, such as the dimension, lattice pitch (the lattice constant Ʌ),
the filling factor d/Ʌ pitch and arrangement of the air holes [11-18].
In this paper, we designed large solid
core photonic crystal fibers with hexagonal
lattices and As2Se3 substrate and investigate
dispersion characteristics following
wavelengths in 2.0 µm to 7.0 µm range.
II. MODELING AND THEORY
We designed large solid core PCFs by
Lumerical Mode Solutions software. Fig.1
shows the geometrical structure of large
solid core PCFs with hexagonal lattices and
As2Se3 substrate, which consists of 8 rings
of air holes, the lattice constant Ʌ is fixed at
5 µm and the filling factor d/Ʌ is chosen in
Fig. 1. The geometrical structures of large
solid core PCFs with hexagonal and As2Se3
substrate.
range of 0.3 to 0.85. The light is confined to the large core. The dispersion coefficient D(λ),
which include both wave guide and material dispersion, is proportional to the second
derivative of effective index of guided mode with respect to wavelength λ and is given as:
2
eff
2
Red nD
c d
where, effRe n is the real part of neff, and c is the velocity of light in vacuum [2, 3].
III. RESULTS AND DISCUSSION
The chromatic dispersion as a function of wavelength of large solid core PCFs with
lattice constants is Ʌ = 5 µm and the filling factor d/Ʌ is chosen in range of 0.3 to 0.85 are
shown in Fig. 2a and Fig. 2b.
Fig. 2. a) Chromatic dispersion as a function of wavelength of large solid core PCFs with
various filling factor in 2.0 µm to 7.0 µm range; b) Chromatic dispersion as a function of
wavelength of large solid core PCFs with various filling factor in 4.3 µm to 4.8 µm range.
Những tiến bộ trong Quang học, Quang phổ và Ứng dụng XI 2021
223 ISBN: 978-604-9988-20-2
Fig. 2a depicts that total dispersion is flattened and the value of dispersion increases
with the increase in the filling factor d/Ʌ. The slope of very large dispersion curves in the
range wavelength from 4.3 µm to 4.8 µm (Fig. 2b). Form Fig. 2a, we see that the
dispersion curves are very flat and close to the zero dispersion wavelength curves. Flat
dispersion is suitable for supercontinuum generation. The value of negative dispersion is
large in the range wavelength from 2 µm to 4.8 µm and it becomes positive values in the
range wavelength from 4.8 µm to 7.0 µm. The most flat dispersed curve and nearest with
the zero dispersion curve when the filling factor equal 0.3. The larger dispersion is
compensated by short length of optical fiber with high negative dispersion. Negative
dispersion is obtained over abroad wavelength range due to large index contrast between
core and cladding, it depend supon the cladding parameter, the filling factor d/Ʌ and the
lattice constant Ʌ [16-18].
Table 1. The value of the chromatic dispersion of large solid core PCFs
with various filling factor at 4.8 µm wavelength.
λ (µm) D (ps.(nm.km)-1)
4.8
Λ = 5.0 μm;
d/Λ = 0.3
Λ = 5.0 μm;
d/Λ = 0.35
Λ = 5.0 μm;
d/Λ = 0.4
Λ = 5.0 μm;
d/Λ = 0.45
Λ = 5.0 μm;
d/Λ = 0.5
Λ = 5.0 μm;
d/Λ = 0.55
0.459689471 1.645886907 2.606425191 3.354133476 4.103639346 4.742851336
Λ = 5.0 μm;
d/Λ = 0.6
Λ = 5.0 μm;
d/Λ = 0.65
Λ = 5.0 μm;
d/Λ = 0.7
Λ = 5.0 μm;
d/Λ = 0.75
Λ = 5.0 μm;
d/Λ = 0.8
Λ = 5.0 μm;
d/Λ = 0.85
5.414856155 6.07390974 6.73201526 7.400175246 8.109065959 8.833136406
In Tab.1, the calculated values of dispersion at 4.8 µm wavelength in infrared region
are shown. As seen in Table 1, the value of dispersion increases with the increase in the
filling factor. When the filling factor is 0.3 the smallest value of dispersion of PCF is
0.459689471 ps.(nm.km)
-1 while the highest of dispersion is 8.833136406 ps.(nm.km)
-1
when the filling factor equal 0.85.
Table 2. The value of zero dispersion wavelength (ZDW) of large solid core PCFs
with various filling factor .
D ps.(nm.km)-1 ZDW (µm)
0
Λ = 5.0 μm;
d/Λ = 0.3
Λ = 5.0 μm;
d/Λ = 0.35
Λ = 5.0 μm;
d/Λ = 0.4
Λ = 5.0 μm;
d/Λ = 0.45
Λ = 5.0 μm;
d/Λ = 0.5
Λ = 5.0 μm; d/Λ
= 0.55
4.773543997 4.707843834 4.656953762 4.618429488 4.581945303 4.554151507
Λ = 5.0 μm;
d/Λ = 0.6
Λ = 5.0 μm;
d/Λ = 0.65
Λ = 5.0 μm;
d/Λ = 0.7
Λ = 5.0 μm;
d/Λ = 0.75
Λ = 5.0 μm;
d/Λ = 0.8
Λ = 5.0 μm;
d/Λ = 0.85
4.525098337 4.496856419 4.469141864 4.440974679 4.41169864 4.381830922
The proposed large solid core PCFs with As2Se3 substrate exhibit the zero dispersion
(ZDW) in the infrared range as shown in Table 2, with the increasing filling factor d/Ʌ, the
ZDW of PCFs is decreased. When the filling factor is 0.3, the highest ZDW of the PCF is
4.773543997 µm.
IV. CONCLUSION
The dispersion characteristics of large solid core photonic crystal fiber with As2Se3
substrate were studied numerically and analyzed with different the filling factor d/Ʌ. The
Advances in Optics, Photonics, Spectroscopy & Applications XI 2021
224 ISBN: 978-604-9988-20-2
value of dispersion increases with the increase in the filling factor, with filling factor equal
0.3μm the smallest dispersion of PCF and the highest ZDW are 0.459689471 ps.(nm.km)-1
and 4.773543997 µm, respectively. This result is very important for supercontinuum
generation.
ACKNOWLEDGMENTS. This research is funded by Vietnam National Foundation for
Science and Technology Development (NAFOSTED) under grant number 103.03-2020.03.
REFERENCES
[1] Yashar Esfahani Monfared, IEEE Journal, Feb. 2012.
[2] Dinesh Kumar Prajapati, International Journal of Recent Research and Review, 7(2), 2014.
[3] P. Jamatia et al., Appl. Opt., 55(24), 2016.
[4] Pooja Chauhana et al., Optik - International Journal for Light and Electron Optics, 187, 2019,
230-237.
[5] Yongqiang Jiang, et al., IEEE Photonics Technology Letters, 17(1), 2005.
[6] P. D. Rasmussen, J. Lægsgaard, and O. Bang, J. Opt. Soc. Am. B, 23, 2006, 2241.
[7] N. Naddi, et al., IOSR J. Electron. Commun. Eng., 12, 2017, 9.
[8] Bhawana Dabas, et al., Optics Communications, 283, 2010, 1331-1337.
[9] Ming Chen, et al., Optics Communications, 281, 2008, 2073-2076.
[10] R.Buczynski, et al., Opto - Eclectronic Review, 20(3), 2012, 207-215.
[11] Jingyuan Wang, et al., Optics & Laser Technology, 39(5), 2007, 913-917.
[12] Jacek Pniewski, et al., Applied Optics, 55(19), 2016, 5033-5040.
[13] Lanh Chu Van, et al., Proc. of SPIE 9816 981600-1, 2015.
[14] Lanh Chu Van, et al., Optical and Quantum Electronics, 49(2), 2017, 0929-3.
[15] Chu Van Lanh, et al., Laser Phys., 29(7), 2019, 075107.
[16] K. M. Mohsin, et al., Applied Optics, 50(25/1), 2011.
[17] Feng Li, et al., Optical Materials, 79, 2018, 137-146.
[18] M. R. Karima, et al., Optical Fiber Technology, 45, 2018, 255-266.