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| 1 | Directly accessing octave-spanning dissipative Kerr soliton frequency combs in an AlN microresonator显示文摘Self-referenced dissipative Kerr solitons (DKSs) based on optical microresonators offer prominent characteristics allowing for various applications from precision measurement to astronomical spectrometer calibration. To date,direct octave-spanning DKS generation has been achieved only in ultrahigh-Q silicon nitride microresonators under optimized laser tuning speed or bi-directional tuning. Here we propose a simple method to easily access the octave-spanning DKS in an aluminum nitride (AlN) microresonator. In the design,two modes that belong to different families but with the same polarization are nearly degenerate and act as a pump and an auxiliary resonance,respectively. The presence of the auxiliary resonance can balance the thermal dragging effect,crucially simplifying the DKS generation with a single pump and leading to an enhanced soliton access window. We experimentally demonstrate the long-lived DKS operation with a record single-soliton step (10.4 GHz or83 pm) and an octave-spanning bandwidth (1100–2300 nm) through adiabatic pump tuning. Our scheme also allows for direct creation of the DKS state with high probability and without elaborate wavelength or power schemes being required to stabilize the soliton behavior. | HAIZHONG WENG JIA LIU ADNAN ALI AFRIDI JING LI JIANGNAN DAI XIANG MA YI ZHANG QIAOYIN LU JOHN F.DONEGAN WEIHUA GUO | 2021 | Photonics Research2021，9，7： | 6 |
| 2 | What operation for recurrent rectal prolapse after previous Delorme's procedure? A practical reality显示文摘AIM: To report our experience with perineal repair(Delorme's procedure) of rectal prolapse with particular focus on treatment of the recurrence.METHODS: Clinical records of 40 patients who underwent Delorme's procedure between 2003 and 2014 were reviewed to obtain the following data: Gender; duration of symptoms, length of prolapse, operation time, ASA grade, length of post-operative stay, procedure-related complications, development and treatment of recurrent prolapse. Analysis of post-operative complications, rate and time of recurrence and factors influencing the choice of the procedure for recurrent disease was conducted. Continuous variables were expressed as the median with interquartile range(IQR). Statistical analysis was carried out using the Fisher exact test.RESULTS: Median age at the time of surgery was 76 years(IQR: 71-81.5) and there were 38 females and 2 males. The median duration of symptoms was 6 mo(IQR: 3.5-12) and majority of patients presented electively whereas four patients presented in the emergency department with irreducible rectal prolapse. The median length of prolapse was 5 cm(IQR: 5-7), median operative time was 100 min(IQR: 85-120) and median post-operative stay was 4 d(IQR: 3-6). Approximately16% of the patients suffered minor complications such as- urinary retention, delayed defaecation and infected haematoma. One patient died constituting postoperative mortality of 2.5%. Median follow-up was 6.5 mo(IQR: 2.15-16). Overall recurrence rate was 28%(n = 12). Recurrence rate for patients undergoing an urgent Delorme's procedure who presented as an emergency was higher(75.0%) compared to those treated electively(20.5%), P value 0.034. Median time interval from surgery to the development of recurrence was 16 mo(IQR: 5-30). There were three patients who developed an early recurrence, within two weeks of the initial procedure. The management of the recurrent prolapse was as follows: No further intervention(n = 1), repeat Delorme's procedure(n = 3), Altemeier's procedure(n = 5) and rectopexy with faecal diversion(n = 3). One patient was lost during follow up.CONCLUSION: Delorme's procedure is a suitable treatment for rectal prolapse due to low morbidity and mortality and acceptable rate of recurrence. The management of the recurrent rectal prolapse is often restricted to the pelvic approach by the same patientrelated factors that influenced the choice of the initial operation, i.e., Delorme's procedure. Early recurrence developing within days or weeks often represents a technical failure and may require abdominal rectopexy with faecal diversion. | Muhammad A Javed Faryal G Afridi Dmitri Y Artioukh | 2016 | World Journal of Gastrointestinal Surgery2016，8，7： | 4 |
| 3 | A novel symmetric 10 Gbit/s architecture with a single feeder fiber for WDM-PON based on chirp-managed laser显示文摘We propose the single feeder fiber architecture for wavelength division multiplexing passive optical network(WDM-PON)based on directly modulated chirp managed laser(CML).The downlink(DL)signal output from the laser is converted to return-to-zero(RZ)differential phase shift signal using a pulse carver.The downstream signal is reused as a carrier for the upstream using intensity modulation technique.Simulation results show the error-free performance at symmetric data rate of 10 Gbit/s per channel with negligible power penalty and improved receiver sensitivity for the uplink(UL),over 25 km standard single-mode fiber(SSMF).A low-cost and reduced circuitry network design is implemented on a single feeder fiber with the elimination of differential encoder and one external modulator. | Aftab Hussain 忻向军 Abdul Latif Ashiq Hussain 余重秀 Abid Munir Yousaf Khan Muhammad Idrees Afridi | 2012 | Optoelectronics Letters2012，8，6： | 2 |
| 4 | 显示文摘 | Afridi M U K Ohama Y Demura K | 2003 | Cement and Concrete Research2003，31，11： | 2 |
| 5 | Review of duodenal diverticula显示文摘 | AFRIDI S A FICHTENBAUM C J TAUBIN H | 1991 | Am J Gastroenterol1991，86，8： | 1 |
| 6 | Granulomatous mastitis : a case series显示文摘 | Afridi SP Memon A Shafiq-ur-Rahman | 2010 | J C oll Physicians Surg Pak2010，20，6： | 1 |
| 7 | Cardiovascular effects of ginger aqueous extract and its phenolic constituents are mediated through multiple pathways显示文摘 | Muhammad Nabeel Ghayur Anwarul Hassan Gilani Maria B. Afridi Peter J. Houghton | 2005 | Vascular Pharmacology2005，，4： | 1 |
| 8 | Dobutamine echocardiography and quantitative rest-redistribution ^201TI tomography in myocardial hiberna- tion:relation of contractile reserve to ^201TI uptake and comparative pre- diction of recovery of function 显示文摘 | Qureshi U Nagueh SF Afridi I | 1997 | Circulation1997，95，3： | 1 |
| 9 | A positron emission tomographic study in spontaneous migraine显示文摘 | Afridi SK Giffin NJ Kaube H | 2005 | Arch Neurol2005，62，8： | 1 |
| 10 | Development of polymer films by the coalescence of polymer particles in powdered and aqueous polymer-modified mortars显示文摘 | AFRIDI M U K OHAMA Y DEMURA K | 2003 | Cement and Concrete Research2003，33，11： | 1 |
| 11 | A positron emission tomo graphic study in spontaneous migraine显示文摘 | Afridi S K Giffin N J Kaube H | 2005 | Arch Neuroh2005，62，8： | 1 |
| 12 | MEMS - Based Embedded Sensor Virtual Components for SoC 显示文摘 | Afridi M Hefner A Berning D | 2004 | Solid - State Electronics2004，48，： | 1 |
| 13 | Application of factorial design in optimization of ultrasonic - assisted extraction of aluminum in juices and soft drinks 显示文摘 | Nusrat Jalbani Tasnecm G Kazi Bilal M Arain M K Jamali Hassan I Afridi R A Sarfraz | 2006 | Talanta2006，，70： | 1 |
| 14 | Uterine prolapse and renal dysfunction显示文摘 | Chureuill DN Afridi S Dow D | 1956 | J Urol1956，75，： | 1 |
| 15 | A positron emission tomographic study in spontaneous migraine显示文摘 | Afridi SK Giffin N J Kaube H | | 0，，8： | 1 |
| 16 | Evaluation of heavy metal bioavailability in soil amended with poultry manure using single and BCR sequential extractions显示文摘 | Oan Muhammad Sahito Hassan Imran Afridi Tasneem Gul Kazi | 2015 | International Journal of Ewironmental Analytical Chemistry2015，95，11： | 1 |
| 17 | A note on the formation of Ca(OH) 2 crystals in polymer modified mortars显示文摘 | Musarral Ullah Khan Afridi | 1993 | Cement and Concrete Research1993，，23： | 1 |
| 18 | Prevalence of hepatitis C virus (HCV) genotypes in Balochistan显示文摘 | Sarwat Afridi Muhammad Naeem Abid Hussain Naseebullah Kakar Masroor Ellahi Babar Jamil Ahmad | 2009 | Molecular Biology Reports2009，，6： | 1 |
| 19 | Dobutamine echocardiography in myocardialhibernation-optimal dose and accuracy in predicting recovery of ventricular function aftercoronary angioplasty显示文摘 | Afridi I Kleiman N Raizner A Zoghbi W | 1995 | Circulation1995，91，1： | 1 |
| 20 | A positron emission tomo graphic study in spontaneous migraine显示文摘 | Afridi SK Gfffin N J Kaube H | 2005 | Arch Neurol2005，62，8： | 1 |
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